{"id":13600,"date":"2018-04-07T18:19:15","date_gmt":"2018-04-07T12:49:15","guid":{"rendered":"http:\/\/mycbseguide.com\/blog\/?p=13600"},"modified":"2025-10-09T17:02:53","modified_gmt":"2025-10-09T11:32:53","slug":"cbse-sample-papers-class-12-computer-science","status":"publish","type":"post","link":"https:\/\/mycbseguide.com\/blog\/cbse-sample-papers-class-12-computer-science\/","title":{"rendered":"CBSE Sample Papers Class 12 Computer Science 2025"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-sample-papers-class-12-computer-science\/#CBSE_Sample_Papers_Class_12_Computer_Science_2025\" >CBSE Sample Papers Class 12 Computer Science 2025<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-sample-papers-class-12-computer-science\/#Sample_Papers_of_Computer_Science_class_12_%E2%80%93_free_PDF_Download\" >Sample Papers of Computer Science class 12 \u2013 free PDF Download<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-sample-papers-class-12-computer-science\/#Sample_paper_2025_class_12_Computer_Science\" >Sample paper 2025 class 12 Computer Science<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-sample-papers-class-12-computer-science\/#CBSE_Sample_Papers_Class_12_Computer_Science_2025-2\" >CBSE Sample Papers Class 12 Computer Science 2025<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-sample-papers-class-12-computer-science\/#Solution\" >Solution<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-sample-papers-class-12-computer-science\/#CBSE_Sample_Papers_for_Class_12\" >CBSE\u00a0Sample Papers\u00a0for Class 12<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-sample-papers-class-12-computer-science\/#Why_Choose_myCBSEguide_for_Your_CBSE_Exam_Preparation\" >Why Choose myCBSEguide for Your CBSE Exam Preparation?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"CBSE_Sample_Papers_Class_12_Computer_Science_2025\"><\/span>CBSE Sample Papers Class 12 Computer Science 2025<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>We recommend students to check out the\u00a0<strong><a href=\"https:\/\/mycbseguide.com\/cbse-sample-papers-class-12.html\">Class 12<\/a> Computer Science model question papers 2024-25<\/strong>\u00a0on the\u00a0<strong><a href=\"https:\/\/play.google.com\/store\/apps\/details?id=in.techchefs.MyCBSEGuide\">myCBSEguide<\/a> app<\/strong>\u00a0for thorough exam preparation.\u00a0<strong>CBSE Sample Papers for Class 12 Computer Science 2025<\/strong>\u00a0are now available for\u00a0<strong>free download<\/strong>\u00a0on both the\u00a0<strong>official CBSE website<\/strong>\u00a0and the\u00a0<strong>myCBSEguide app<\/strong>. These sample papers provide a clear insight into the\u00a0<strong>exam pattern<\/strong>\u00a0and structure. The\u00a0<strong>Class 12 Computer Science Sample Papers 2025<\/strong>\u00a0mainly feature\u00a0<strong>subjective questions<\/strong>, with only\u00a0<strong>16 MCQs<\/strong>\u00a0and\u00a0<strong>2 Assertion-Reason (ARQs)<\/strong> questions. For\u00a0<strong>teachers<\/strong>, the\u00a0<strong><a href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.examin8.exam\">Examin8<\/a> App<\/strong>\u00a0is a perfect tool to create\u00a0<strong>customized test papers<\/strong>\u00a0with your\u00a0<strong>name and logo<\/strong>.\u00a0<strong>CBSE Sample Papers Class 12 Computer Science 2025<\/strong>\u00a0are now available on the\u00a0<strong><a href=\"https:\/\/mycbseguide.com\/\">myCBSEguide<\/a> Website<\/strong>, offering students the opportunity to practice real exam questions in PDF format.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Sample_Papers_of_Computer_Science_class_12_%E2%80%93_free_PDF_Download\"><\/span>Sample Papers of Computer Science class 12 \u2013 free PDF Download<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>CBSE Sample Papers for Class 12 Computer Science 2025<\/strong>\u00a0are now available for\u00a0<strong>free download<\/strong>\u00a0in\u00a0<strong>PDF format<\/strong>\u00a0on the\u00a0<strong>myCBSEguide app<\/strong> and website. These sample papers\u00a0are designed to help students get a clear understanding of the\u00a0<strong>CBSE exam pattern<\/strong>\u00a0and prepare efficiently for their\u00a0<strong>Class 12 Computer Science board exams<\/strong>. Along with the sample papers,\u00a0<strong>CBSE marking scheme<\/strong>\u00a0and\u00a0<strong>blueprint<\/strong> are also provided, helping students learn how to approach the exam effectively. For effective revision, download the\u00a0<strong>CBSE Sample Papers Class 12 Computer Science 2025<\/strong> to understand the exam format and marking scheme before the board exams.<\/p>\n<p style=\"text-align: center;\"><strong>Sample Papers for Class 12 Computer Science 2025 <\/strong><strong><a class=\"button\" href=\"https:\/\/mycbseguide.com\/dashboard\/category\/1851\/type\/2\">Download as PDF<\/a><\/strong><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Sample_paper_2025_class_12_Computer_Science\"><\/span>Sample paper 2025 class 12 Computer Science<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>myCBSEguide<\/strong>\u00a0offers\u00a0<strong>CBSE Class 12 Board Sample Papers for Computer Science 2025<\/strong>\u00a0with\u00a0<strong>solutions<\/strong>\u00a0available for\u00a0<strong>free download<\/strong>\u00a0in\u00a0<strong>PDF format<\/strong>. In addition to\u00a0<strong>Computer Science<\/strong>,\u00a0<a href=\"https:\/\/mycbseguide.com\/\"><strong>myCBSEguide<\/strong><\/a>\u00a0provides sample papers for all major\u00a0<strong>CBSE Class 12 subjects<\/strong>, making it a one-stop platform for comprehensive exam preparation. These\u00a0<strong>Class 12 Computer Science sample papers<\/strong> are based on the most recent syllabus and are designed to help students understand the question format, time management, and marking scheme. You can easily access these\u00a0<strong>sample papers with solutions<\/strong>\u00a0for the\u00a0<strong>2025<\/strong>\u00a0academic session through the\u00a0<a href=\"https:\/\/play.google.com\/store\/apps\/details?id=in.techchefs.MyCBSEGuide\"><strong>myCBSEguide app<\/strong><\/a>\u00a0or by logging into your\u00a0<a href=\"https:\/\/mycbseguide.com\/dashboard\/home\"><strong>Student Dashboard<\/strong><\/a>. The platform provides\u00a0<strong>sample papers for Class 12 Computer Science<\/strong>\u00a0as well as other subjects for the year\u00a0<strong>2025<\/strong>.<\/p>\n<p><strong>Key Features of CBSE Class 12 Computer Science Sample Papers 2025:<\/strong><\/p>\n<ul>\n<li>Free\u00a0<strong>PDF downloads<\/strong>\u00a0with detailed\u00a0<strong>solutions<\/strong>.<\/li>\n<li>Updated\u00a0<strong>sample papers<\/strong>\u00a0based on the\u00a0<strong>CBSE blueprint<\/strong>\u00a0for 2025.<\/li>\n<li>Available for\u00a0<strong>all major subjects<\/strong>, including\u00a0<strong>Computer Science<\/strong>.<\/li>\n<li><strong>Student Dashboard<\/strong>\u00a0access for easy downloading and tracking progress.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full\" src=\"https:\/\/media-mycbseguide.s3.ap-south-1.amazonaws.com\/images\/blog\/12_computerscience_sample_paper.jpg\" alt=\"CBSE Class 12 Computer Science Sample Paper 2024\" width=\"600\" height=\"300\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"CBSE_Sample_Papers_Class_12_Computer_Science_2025-2\"><\/span>CBSE Sample Papers Class 12 Computer Science 2025<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: center;\"><strong>Class 12 &#8211; Computer Science<br \/>\nSample Paper &#8211; 01 (2024-25)<\/strong><\/p>\n<hr \/>\n<p><b>Maximum Marks: 70<br \/>\nTime Allowed: : 3 hours<\/b><\/p>\n<hr \/>\n<p><b>General Instructions:<\/b><\/p>\n<ul>\n<li>\u200b\u200b\u200b\u200b\u200b\u200bThis question paper contains 37 questions.<\/li>\n<li>All questions are compulsory. However, internal choices have been provided in some questions. Attempt only one of the choices in such questions.<\/li>\n<li>The paper is divided into 5 Sections- A, B, C, D and E.<\/li>\n<li>Section A consists of 21 questions (1 to 21). Each question carries 1 Mark.<\/li>\n<li>Section B consists of 7 questions (22 to 28). Each question carries 2 Marks.<\/li>\n<li>Section C consists of 3 questions (29 to 31). Each question carries 3 Marks.<\/li>\n<li>Section D consists of 4 questions (32 to 35). Each question carries 4 Marks.<\/li>\n<li>Section E consists of 2 questions (36 to 37). Each question carries 5 Marks.<\/li>\n<li>All programming questions are to be answered using Python Language only.<\/li>\n<li>In case of MCQ, text of the correct answer should also be written.<\/li>\n<\/ul>\n<hr \/>\n<ol>\n<li><b>Section A<\/b><\/li>\n<li>State true or false:<br \/>\nIn a nested loop, a break statement terminates all the nested loops in one go.<\/p>\n<div>a) True<\/div>\n<div>b) False<\/div>\n<\/li>\n<li>A relational database consists of a collection of:\n<div>a) Fields<\/div>\n<div>b) Keys<\/div>\n<div>c) Records<\/div>\n<div>d) Tables<\/div>\n<\/li>\n<li>fetchall() method fetches all rows in a result set and returns a:\n<div>a) Tuple of strings<\/div>\n<div>b) Tuple of lists<\/div>\n<div>c) List of tuples<\/div>\n<div>d) List of strings<\/div>\n<\/li>\n<li>What is the output of the below program?<br \/>\ndef printMax(a, b):<br \/>\nif a &gt; b:<br \/>\nprint(a, &#8216;is maximum&#8217;)<br \/>\nelif a = b:<br \/>\nprint(a, &#8216;is equal to&#8217;, b)<br \/>\nelse:<br \/>\nprint(b, &#8216;is maximum&#8217;)<br \/>\nprintMax(3, 4)<\/p>\n<div>a) 3 is maximum<\/div>\n<div>b) 4<\/div>\n<div>c) 4 is maximum<\/div>\n<div>d) 3<\/div>\n<\/li>\n<li>What is the output of the following?<br \/>\nd = {0, 1, 2}<br \/>\nfor x in d.values()\u00a0:<br \/>\nprint (x)<\/li>\n<li>Which type of transmission media is the least expensive to manufacture?\n<div>a) Twisted pair cable<\/div>\n<div>b) CAT cable<\/div>\n<div>c) Coaxial<\/div>\n<div>d) Fibre optic<\/div>\n<\/li>\n<li>Which character is used to create a new file in csv?\n<div>a) x<\/div>\n<div>b) r<\/div>\n<div>c) r+<\/div>\n<div>d) w<\/div>\n<\/li>\n<li>l1 = [1,2,3,4,5]\nl1.append([5,6,[7,8,[9,10])<br \/>\nWhat will be the final length of l1?<\/p>\n<div>a) 10<\/div>\n<div>b) 5<\/div>\n<div>c) 8<\/div>\n<div>d) Error<\/div>\n<\/li>\n<li>The HAVING clause does which of the following?\n<div>a) Acts like a WHERE clause but is used for columns rather than groups.<\/div>\n<div>b) Acts like a WHERE clause but is used for rows rather than columns.<\/div>\n<div>c) Acts like a WHERE clause but is used for groups rather than rows.<\/div>\n<div>d) Acts EXACTLY like a WHERE clause.<\/div>\n<\/li>\n<li>Write a line of code that writes &#8220;Hello world!&#8221; to a file opened with file object my file.<\/li>\n<li>State true or false:<br \/>\nThe default values for parameters are considered only if no value is provided for that parameter in the function call statement.<\/p>\n<div>a) True<\/div>\n<div>b) False<\/div>\n<\/li>\n<li>When a stack, implemented as an array\/list of fixed size, is full and no new element can be accommodated, it is called an ________.\n<div>a) OVERFLOW<\/div>\n<div>b) NOFLOW<\/div>\n<div>c) EXTRAFLOW<\/div>\n<div>d) UNDERFLOW<\/div>\n<\/li>\n<li>In SQL, write the name of the aggregate function which will display the cardinality of a table.<\/li>\n<li>A ________ is a network spread across states, countries or whole world.\n<div>a) PAN<\/div>\n<div>b) LAN<\/div>\n<div>c) WAN<\/div>\n<div>d) MAN<\/div>\n<\/li>\n<li>What is\u00a0 the output of following code ?<br \/>\ndef f():<br \/>\nx = (2856 \/ 156) % 89<br \/>\nprint(x++)<br \/>\nx* =\u00a034<br \/>\nf()<\/p>\n<div>a) 19<\/div>\n<div>b) 18<\/div>\n<div>c) 646<\/div>\n<div>d) Error<\/div>\n<\/li>\n<li>Which of the following is <strong>not<\/strong> a sequential datatype in Python?\n<div>a) List<\/div>\n<div>b) Dictionary<\/div>\n<div>c) Tuple<\/div>\n<div>d) String<\/div>\n<\/li>\n<li>Which transmission media is capable of having a much higher bandwidth (data capacity)?\n<div>a) Untwisted cable<\/div>\n<div>b) Twisted pair cable<\/div>\n<div>c) Fibre optic<\/div>\n<div>d) Coaxial<\/div>\n<\/li>\n<li>Which part of TCP\/IP is responsible for dividing a file or message into very small parts, at the source computer?\n<div>a) ISP<\/div>\n<div>b) Both\u00a0TCP and\u00a0IP<\/div>\n<div>c) TCP<\/div>\n<div>d) IP<\/div>\n<\/li>\n<li><strong>Assertion (A):<\/strong>\u00a0The tuple items cannot be deleted by using the del\u00a0keyword.<br \/>\n<strong>Reason (R):<\/strong>\u00a0To delete an entire tuple, we can use the\u00a0del\u00a0keyword with the tuple name.<\/p>\n<div>a) Both A and R are true and R is the correct explanation of A.<\/div>\n<div>b) Both A and R are true but R is not the correct explanation of A.<\/div>\n<div>c) A is true but R is false.<\/div>\n<div>d) A is false but R is true.<\/div>\n<\/li>\n<li><strong>Assertion (A):<\/strong> pandas is defined as an open-source library that is built on top of the NumPy library.<br \/>\n<strong>Reason (R):<\/strong> pandas provides fast analysis, data cleaning, and preparation of the data for the user.<\/p>\n<div>a) Both A and R are true and R is the correct explanation of A.<\/div>\n<div>b) Both A and R are true but R is not the correct explanation of A.<\/div>\n<div>c) A is true but R is false.<\/div>\n<div>d) A is false but R is true.<\/div>\n<\/li>\n<li><strong>Assertion (A):<\/strong>\u00a0If you try to change the value of a frozenset item this will cause an error.<br \/>\n<strong>Reason (R):<\/strong>\u00a0The\u00a0frozenset()\u00a0function returns an changeable frozenset object<\/p>\n<div>a) Both A and R are true and R is the correct explanation of A.<\/div>\n<div>b) Both A and R are true but R is not the correct explanation of A.<\/div>\n<div>c) A is true but R is false.<\/div>\n<div>d) A is false but R is true.<br \/>\nTo practice more questions &amp; prepare well for exams, download\u00a0<b data-stringify-type=\"bold\"><a href=\"http:\/\/mycbseguide.com\/\" target=\"_blank\" rel=\"noopener noreferrer\" data-sk=\"tooltip_parent\" data-stringify-link=\"http:\/\/myCBSEguide.co\" data-cke-saved-href=\"http:\/\/mycbseguide.com\/\">myCBSEguide.com<\/a><\/b><b data-stringify-type=\"bold\">\u00a0<\/b>App. It provides complete study material for CBSE, NCERT, JEE (main), NEET-UG and NDA exams. Teachers can use\u00a0<b data-stringify-type=\"bold\"><a href=\"http:\/\/examin8.com\/\" target=\"_blank\" rel=\"noopener noreferrer\" data-sk=\"tooltip_parent\" data-stringify-link=\"http:\/\/Examin8.com\" data-cke-saved-href=\"http:\/\/examin8.com\/\">Examin8.com<\/a><\/b><b data-stringify-type=\"bold\">\u00a0<\/b>App to create similar papers with their own name and logo. The\u00a0<strong>Class 12 Computer Science Sample Papers 2025<\/strong>\u00a0available on myCBSEguide are based on the latest syllabus issued by the\u00a0<strong>CBSE board<\/strong>.\u00a0With\u00a0<strong>questions<\/strong>\u00a0and\u00a0<strong>solutions<\/strong>\u00a0in each sample paper, you&#8217;ll have everything you need to perform well in the\u00a0<strong>CBSE Class 12 Computer Science exam<\/strong>.<\/div>\n<\/li>\n<li style=\"text-align: center;\"><b>Section B<\/b><\/li>\n<li>Write Python code to create a table location with the following fields<br \/>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"3\">\n<tbody>\n<tr>\n<td>id<\/td>\n<td>id of the location<\/td>\n<\/tr>\n<tr>\n<td>bidycode<\/td>\n<td>code of the building<\/td>\n<\/tr>\n<tr>\n<td>room<\/td>\n<td>type of rooms<\/td>\n<\/tr>\n<tr>\n<td>capacity<\/td>\n<td>capacity of the room<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/li>\n<li>Observe the given list and find the answer of questions that follows.<br \/>\nlist1\u00a0= [23, 45, 63, \u2018Hello\u2019, 20 \u2018World\u2019, 15, 18]\n<ol start=\"1\">\n<li>list1\u00a0[-3]<\/li>\n<li>list[3]<\/li>\n<\/ol>\n<p><b>OR <\/b><\/p>\n<p>Draw a flow chart to find the factorial of any number.<\/li>\n<li>The table Company of database connect contains the following records<br \/>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"3\">\n<tbody>\n<tr>\n<td><strong>Name<\/strong><\/td>\n<td><strong>Dept<\/strong><\/td>\n<td><strong>Salary<\/strong><\/td>\n<\/tr>\n<tr>\n<td>ABC<\/td>\n<td>DBA<\/td>\n<td>35000<\/td>\n<\/tr>\n<tr>\n<td>XYZ<\/td>\n<td>Analyst<\/td>\n<td>42000<\/td>\n<\/tr>\n<tr>\n<td>ABC1<\/td>\n<td>DBA<\/td>\n<td>40000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>What will be the output of following code?<\/p>\n<pre>import mysql.connector\r\ncon = mysql.connector.connect(host = \"localhost\",\r\n                user = \"system\",passwd = \"hello\",database = \"connect\")\r\ncur = con.cursor()\r\ncur.execute(\"select Name, Salary from Company\")\r\ndisplay = cur.fetchone()\r\nprint(display)\r\n<\/pre>\n<\/li>\n<li>Predict the output.\n<pre>a, b = 10, 15\r\nx = 20\r\ny = 25\r\na = x + y - b\r\nx = a + b - y + 10\r\nz = y + b * 3 + a\r\nx = 50\r\na = x + y + z\r\nprint(\"a :\", a)\r\nprint(\"b :\", b)\r\nprint(\"x :\", x)\r\nprint(\"y :\", y)\r\nprint(\"z :\", z)<\/pre>\n<p><b>OR <\/b><\/p>\n<p>What is the length of the tuple shown below?<br \/>\nt = ((((&#8216;a&#8217;, 1),\u00a0&#8216;b&#8217;,\u00a0&#8216;c&#8217;),\u00a0&#8216;d&#8217;,\u00a02), &#8216;e&#8217;, 3)<\/li>\n<li>Consider a binary file Employee.dat containing details such as empno:ename:salary (separator &#8216;:&#8217;). Write a Python function to display details of those employees who are earning between 20000 and 40000. (Both values inclusive)<b>OR <\/b>Write a function count_Dwords () in Python to count the words ending with a digit in a text file &#8220;Details.txt&#8221;.<br \/>\nExample:<br \/>\nIf the file content is as follows:<br \/>\nOn seat2 VIP1 will sit and<br \/>\nOn seat1 VVIP2 will be sitting<br \/>\nOutput will be:<br \/>\nNumber of words ending with a digit are 4<\/li>\n<li>Explain the use of a default parameter in a Python function with the help of a suitable example.<\/li>\n<li>Explain the two types of duplex communication.<\/li>\n<li><b>Section C<\/b><\/li>\n<li>Write a method in Python to find and display the prime number between 2 to n. Pass n as an argument to the method.<b>OR <\/b>Write functions in Python for <strong>InsertQ(Names)<\/strong> and <strong>RemoveQ(Names)<\/strong> for performing insertion and removal operations with a queue of list which contains names of students. The function must check for Empty Queue.<\/li>\n<li>Write the output of SQL queries (a) to (d) based on the table VACCINATION_DATA given below:<strong>TABLE: VACCINATION_DATA<\/strong><br \/>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"3\">\n<tbody>\n<tr>\n<td><strong>VID<\/strong><\/td>\n<td><strong>Name<\/strong><\/td>\n<td><strong>Age<\/strong><\/td>\n<td><strong>Dose1<\/strong><\/td>\n<td><strong>Dose2<\/strong><\/td>\n<td><strong>City<\/strong><\/td>\n<\/tr>\n<tr>\n<td>101<\/td>\n<td>Jenny<\/td>\n<td>27<\/td>\n<td>2021-12-25<\/td>\n<td>2022-01-31<\/td>\n<td>Delhi<\/td>\n<\/tr>\n<tr>\n<td>102<\/td>\n<td>Harjot<\/td>\n<td>55<\/td>\n<td>2021-07-14<\/td>\n<td>2021-10-14<\/td>\n<td>Mumbai<\/td>\n<\/tr>\n<tr>\n<td>103<\/td>\n<td>Srikanth<\/td>\n<td>43<\/td>\n<td>2021-04-18<\/td>\n<td>2021-07-20<\/td>\n<td>Delhi<\/td>\n<\/tr>\n<tr>\n<td>104<\/td>\n<td>Gazala<\/td>\n<td>75<\/td>\n<td>2021-07-31<\/td>\n<td>NULL<\/td>\n<td>Kolkata<\/td>\n<\/tr>\n<tr>\n<td>105<\/td>\n<td>Shiksha<\/td>\n<td>32<\/td>\n<td>2022-01-01<\/td>\n<td>NULL<\/td>\n<td>Mumbai<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ol start=\"1\">\n<li>SELECT Name, Age FROM VACCINATION_DATA<br \/>\nWHERE DOSE2 IS NOT NULL AND Age &gt;40;<\/li>\n<li>SELECT City, COUNT(*) FROM VACCINATION_DATA GROUP BY City;<\/li>\n<li>SELECT DISTINCT CIEY EROM VACCINATION_DATA;<\/li>\n<li>SELECT MAX (Dose1), MIN (Dose2) FROM VACCINATION_DATA;<\/li>\n<\/ol>\n<p><b>OR <\/b><\/p>\n<p>What is the purpose of using MySQL?<\/li>\n<li>What is the difference between a local variable and a global variable? Also, give a suitable Python code to illustrate both.<b>OR <\/b>Write definition of a method OddSum(NUMBERS) to add those values in the list of NUMBERS, which are not even.<\/li>\n<li><b>Section D<\/b><\/li>\n<li>Write a program to implement a stack for these book details (book no., book name). That is, now each item node of the stack contains two types of information &#8211; a book no. and its name. Just implement Push and display operations.<b>OR <\/b>A line of text is read from the input terminal into a stack. Write a program to output the string in the reverse order, each character appearing twice.<br \/>\n(ie.g., the string a b c\u00a0d e should be changed to ee dd cc bb aa)<\/li>\n<li>A binary file <strong>&#8220;PATIENTS.dat&#8221; <\/strong>has structure <strong>(PID, NAME, DISEASE)<\/strong>.<br \/>\nWrite the definition of a function <strong>countrec()<\/strong> in Python that would read contents of the file <strong>&#8220;PATIENTS.dat&#8221;<\/strong> and display the details of those patients who have the <strong>DISEASE<\/strong> as <strong>&#8216;COVID-19&#8217;<\/strong>. The function should also display the total number of such patients whose <strong>DISEASE<\/strong> is <strong>&#8216;COVID-19&#8217;<\/strong>.<\/li>\n<li>Study the following tables DOCTOR and SALARY and write SQL commands for the questions (i) to (v).<strong>TABLE: DOCTOR<\/strong><br \/>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"3\">\n<tbody>\n<tr>\n<td><strong>ID<\/strong><\/td>\n<td><strong>NAME<\/strong><\/td>\n<td><strong>DEPT<\/strong><\/td>\n<td><strong>SEX<\/strong><\/td>\n<td><strong>EXPERIENCE<\/strong><\/td>\n<\/tr>\n<tr>\n<td>101<\/td>\n<td>John<\/td>\n<td>ENT<\/td>\n<td>M<\/td>\n<td>12<\/td>\n<\/tr>\n<tr>\n<td>104<\/td>\n<td>Smith<\/td>\n<td>ORTHOPEDIC<\/td>\n<td>M<\/td>\n<td>5<\/td>\n<\/tr>\n<tr>\n<td>107<\/td>\n<td>George<\/td>\n<td>CARDIOLOGY<\/td>\n<td>M<\/td>\n<td>10<\/td>\n<\/tr>\n<tr>\n<td>114<\/td>\n<td>Lara<\/td>\n<td>SKIN<\/td>\n<td>F<\/td>\n<td>3<\/td>\n<\/tr>\n<tr>\n<td>109<\/td>\n<td>K George<\/td>\n<td>MEDICINE<\/td>\n<td>F<\/td>\n<td>9<\/td>\n<\/tr>\n<tr>\n<td>105<\/td>\n<td>Johnson<\/td>\n<td>ORTHOPEDIC<\/td>\n<td>M<\/td>\n<td>10<\/td>\n<\/tr>\n<tr>\n<td>117<\/td>\n<td>Lucy<\/td>\n<td>ENT<\/td>\n<td>F<\/td>\n<td>3<\/td>\n<\/tr>\n<tr>\n<td>111<\/td>\n<td>Bill<\/td>\n<td>MEDICINE<\/td>\n<td>F<\/td>\n<td>12<\/td>\n<\/tr>\n<tr>\n<td>130<\/td>\n<td>Morphy<\/td>\n<td>ORTHOPEDIC<\/td>\n<td>M<\/td>\n<td>15<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>TABLE: SALARY<\/strong><\/p>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"3\">\n<tbody>\n<tr>\n<td><strong>ID<\/strong><\/td>\n<td><strong>BASIC<\/strong><\/td>\n<td><strong>ALLOWANCE<\/strong><\/td>\n<td><strong>CONSULTATION<\/strong><\/td>\n<\/tr>\n<tr>\n<td>101<\/td>\n<td>12000<\/td>\n<td>1000<\/td>\n<td>300<\/td>\n<\/tr>\n<tr>\n<td>104<\/td>\n<td>23000<\/td>\n<td>2300<\/td>\n<td>500<\/td>\n<\/tr>\n<tr>\n<td>107<\/td>\n<td>32000<\/td>\n<td>4000<\/td>\n<td>500<\/td>\n<\/tr>\n<tr>\n<td>114<\/td>\n<td>12000<\/td>\n<td>5200<\/td>\n<td>100<\/td>\n<\/tr>\n<tr>\n<td>109<\/td>\n<td>42000<\/td>\n<td>1700<\/td>\n<td>200<\/td>\n<\/tr>\n<tr>\n<td>105<\/td>\n<td>18900<\/td>\n<td>1690<\/td>\n<td>300<\/td>\n<\/tr>\n<tr>\n<td>130<\/td>\n<td>21700<\/td>\n<td>2600<\/td>\n<td>300<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ol start=\"1\">\n<li>Display NAME of all doctors who are in MEDICINE department having more than 10 yrs experience from the table DOCTOR.<\/li>\n<li>Display the average salary of all doctors working in ENT department using the tables DOCTOR and SALARY.SALARY = BASIC + ALLOWANCE.<\/li>\n<li>Display the minimum ALLOWANCE of female doctors.<\/li>\n<li>Display the highest consultation fee among all male doctors.<\/li>\n<li>To display the detail of doctor who have experience more than 12 years.<\/li>\n<\/ol>\n<p><b>OR <\/b><\/p>\n<p>Consider the following tables PRODUCT and CLIENT. Write SQL commands for the following statements.Table: <strong>PRODUCT<\/strong><\/p>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"3\">\n<tbody>\n<tr>\n<td width=\"200\">P_ID<\/td>\n<td width=\"200\">ProductName<\/td>\n<td width=\"200\">Manufacturer<\/td>\n<td width=\"200\">Price<\/td>\n<\/tr>\n<tr>\n<td width=\"200\">TP01<\/td>\n<td width=\"200\">Talcum Powder<\/td>\n<td width=\"200\">LAK<\/td>\n<td width=\"200\">40<\/td>\n<\/tr>\n<tr>\n<td width=\"200\">FW05<\/td>\n<td width=\"200\">Face Wash<\/td>\n<td width=\"200\">ABC<\/td>\n<td width=\"200\">45<\/td>\n<\/tr>\n<tr>\n<td width=\"200\">BS01<\/td>\n<td width=\"200\">Bath Soap<\/td>\n<td width=\"200\">ABC<\/td>\n<td width=\"200\">55<\/td>\n<\/tr>\n<tr>\n<td width=\"200\">SH06<\/td>\n<td width=\"200\">Shampoo<\/td>\n<td width=\"200\">XYZ<\/td>\n<td width=\"200\">120<\/td>\n<\/tr>\n<tr>\n<td width=\"200\">FW12<\/td>\n<td width=\"200\">Face Wash<\/td>\n<td width=\"200\">XYZ<\/td>\n<td width=\"200\">95<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Table: <strong>CLIENT<\/strong><\/p>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"3\">\n<tbody>\n<tr>\n<td width=\"200\">C_ID<\/td>\n<td width=\"200\">ClientName<\/td>\n<td width=\"200\">City<\/td>\n<td width=\"200\">P_ID<\/td>\n<\/tr>\n<tr>\n<td width=\"200\">01<\/td>\n<td width=\"200\">Cosmetic Shop<\/td>\n<td width=\"200\">Delhi<\/td>\n<td width=\"200\">FW05<\/td>\n<\/tr>\n<tr>\n<td width=\"200\">06<\/td>\n<td width=\"200\">Total Health<\/td>\n<td width=\"200\">Mumbai<\/td>\n<td width=\"200\">BS01<\/td>\n<\/tr>\n<tr>\n<td width=\"200\">12<\/td>\n<td width=\"200\">Live Life<\/td>\n<td width=\"200\">Delhi<\/td>\n<td width=\"200\">SH06<\/td>\n<\/tr>\n<tr>\n<td width=\"200\">15<\/td>\n<td width=\"200\">Pretty Woman<\/td>\n<td width=\"200\">Delhi<\/td>\n<td width=\"200\">FW12<\/td>\n<\/tr>\n<tr>\n<td width=\"200\">16<\/td>\n<td width=\"200\">Dreams<\/td>\n<td width=\"200\">Banglore<\/td>\n<td width=\"200\">TP01<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ol start=\"1\">\n<li>To display the details of those Clients whose City is Delhi.<\/li>\n<li>To display the details of Products whose Price is in the range of 50 to 100 (Both values included).<\/li>\n<li>To display the ClientName, City from table Client, and ProductName and Price from table Product, with their corresponding matching P_ID.<\/li>\n<li>To increase the Price of all Products by 10.<\/li>\n<\/ol>\n<\/li>\n<li>Write a program that inputs the main string and then creates an encrypted string by embedding a short symbol-based string after each character. The program should also be able to produce the decrypted string from an encrypted string.<\/li>\n<li><b>Section E<\/b><\/li>\n<li>The Freshminds University of India is starting its first campus in Ana Nagar of South India with its center admission office in Kolkata. The university has 3 major blocks comprising of Office Block, Science Block and Commerce Block in the 5 km area Campus.<br \/>\n<img decoding=\"async\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/imgur\/1605157003-47a17c.jpg\" alt=\"\" data-imgur-src=\"gB76rvK.png\" data-cke-saved-src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/imgur\/1605157003-47a17c.jpg\" \/><br \/>\nAs a network expert, you need to suggest the network plan as per (i) to (iv) to the authorities keeping in mind the distance and other given parameters.<br \/>\nExpected Wire distances between various locations:<\/p>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"3\">\n<tbody>\n<tr>\n<td>Office Block to Science Block<\/td>\n<td>90 m<\/td>\n<\/tr>\n<tr>\n<td>Office Block to Commerce Block<\/td>\n<td>80 m<\/td>\n<\/tr>\n<tr>\n<td>Science Block to Commerce Block<\/td>\n<td>15 m<\/td>\n<\/tr>\n<tr>\n<td>Kolkata Admission office to Ana Nagar Campus<\/td>\n<td>2450 km<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Expected number of Computers to be installed at various locations in the University are as follows:<\/p>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"3\">\n<tbody>\n<tr>\n<td>Office Block<\/td>\n<td>10<\/td>\n<\/tr>\n<tr>\n<td>Science Block<\/td>\n<td>140<\/td>\n<\/tr>\n<tr>\n<td>Commerce Block<\/td>\n<td>30<\/td>\n<\/tr>\n<tr>\n<td>Kolkata Admission office<\/td>\n<td>8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ol start=\"1\">\n<li>What type of server should be installed in university?\n<ul>\n<li>Dedicated<\/li>\n<li>Non-dedicated<\/li>\n<\/ul>\n<\/li>\n<li>Suggest the most suitable place (i.e., block) to house the server of this university with a suitable reason.<\/li>\n<li>Suggest an efficient device from the following to be installed in each of the blocks to connect all the computers:\n<ul>\n<li>MODEM<\/li>\n<li>SWITCH<\/li>\n<li>GATEWAY<\/li>\n<\/ul>\n<\/li>\n<li>Suggest the most suitable (very high speed) service to provide data connectivity between Admission Office located in Kolkata and the campus located in Ana Nagar from the following options:\n<ul>\n<li>Telephone line<\/li>\n<li>Fixed-Line Dial-up connection<\/li>\n<li>Co-axial Cable Network<\/li>\n<li>GSM<\/li>\n<li>Leased line<\/li>\n<li>Satellite Connection<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<\/li>\n<li>Write SQL queries for (i) to (iv) and find outputs for SQL queries (v) to (viii), which are based on the tables:<strong>TABLE: BOOK<\/strong><br \/>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"3\">\n<tbody>\n<tr>\n<td><strong>Code<\/strong><\/td>\n<td><strong>BNAME<\/strong><\/td>\n<td><strong>TYPE<\/strong><\/td>\n<\/tr>\n<tr>\n<td>F101<\/td>\n<td>The Priest<\/td>\n<td>Fiction<\/td>\n<\/tr>\n<tr>\n<td>L102<\/td>\n<td>German easy<\/td>\n<td>Literature<\/td>\n<\/tr>\n<tr>\n<td>C101<\/td>\n<td>Tarzan in the lost world<\/td>\n<td>Comic<\/td>\n<\/tr>\n<tr>\n<td>F102<\/td>\n<td>Untold story<\/td>\n<td>Fiction<\/td>\n<\/tr>\n<tr>\n<td>C102<\/td>\n<td>War heroes<\/td>\n<td>Comic<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>TABLE: MEMBER<\/strong><\/p>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"3\">\n<tbody>\n<tr>\n<td>MNO<\/td>\n<td>MNAME<\/td>\n<td>CODE<\/td>\n<td>ISSUEDATE<\/td>\n<\/tr>\n<tr>\n<td>M101<\/td>\n<td>RAGHAV SINHA<\/td>\n<td>LI 02<\/td>\n<td>2016-10-13<\/td>\n<\/tr>\n<tr>\n<td>M103<\/td>\n<td>S ARTHAKJ OHN<\/td>\n<td>FI 02<\/td>\n<td>2017-02-23<\/td>\n<\/tr>\n<tr>\n<td>M102<\/td>\n<td>ANISHA KHAN<\/td>\n<td>C101<\/td>\n<td>2016-06-12<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ol start=\"1\">\n<li>To display all details from table MEMBER in descending order of ISSUEDATE.<\/li>\n<li>To display the BNO and BNAME of all Fiction Type books from the table Book.<\/li>\n<li>To display the TYPE and number of books in each TYPE from the table BOOK.<\/li>\n<li>To display all MNAME and ISSUEDATE of those members from table MEMBER who have books issued (i.e., ISSUEDATE) in the year 2017.<\/li>\n<li>SELECT MAX (ISSUEDATE) FROM MEMBER<\/li>\n<li>SELECT DISTINCT TYPE FROM BOOK<\/li>\n<li>SELECT A.CODE, BNAME, MNO. MNAME FROM BOOK A. MEMBER B WHERE A.CODE= B.CODE<\/li>\n<li>SELECT BNAME FROM BOOK WHERE TYPE NOT IN (&#8220;FICTION&#8221;, &#8220;COMIC&#8221;)<\/li>\n<\/ol>\n<p><b>OR <\/b><\/p>\n<p>Consider the following tables CABHUB and CUSTOMER and answer the following parts of this question :<br \/>\n<strong>Table:<\/strong> CABHUB<\/p>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"3\">\n<tbody>\n<tr>\n<td width=\"200\">Vcode<\/td>\n<td width=\"200\">VehicleName<\/td>\n<td width=\"200\">Make<\/td>\n<td width=\"200\">Color<\/td>\n<td width=\"200\">Capacity<\/td>\n<td width=\"200\">Charges<\/td>\n<\/tr>\n<tr>\n<td width=\"200\">100<\/td>\n<td width=\"200\">Innova<\/td>\n<td width=\"200\">Toyota<\/td>\n<td width=\"200\">WHITE<\/td>\n<td width=\"200\">7<\/td>\n<td width=\"200\">15<\/td>\n<\/tr>\n<tr>\n<td width=\"200\">102<\/td>\n<td width=\"200\">SX4<\/td>\n<td width=\"200\">Suzuki<\/td>\n<td width=\"200\">BLUE<\/td>\n<td width=\"200\">4<\/td>\n<td width=\"200\">14<\/td>\n<\/tr>\n<tr>\n<td width=\"200\">104<\/td>\n<td width=\"200\">C Class<\/td>\n<td width=\"200\">Mercedes<\/td>\n<td width=\"200\">RED<\/td>\n<td width=\"200\">4<\/td>\n<td width=\"200\">35<\/td>\n<\/tr>\n<tr>\n<td width=\"200\">105<\/td>\n<td width=\"200\">A-Star<\/td>\n<td width=\"200\">Suzuki<\/td>\n<td width=\"200\">WHITE<\/td>\n<td width=\"200\">3<\/td>\n<td width=\"200\">14<\/td>\n<\/tr>\n<tr>\n<td width=\"200\">108<\/td>\n<td width=\"200\">Indigo<\/td>\n<td width=\"200\">Tata<\/td>\n<td width=\"200\">SILVER<\/td>\n<td width=\"200\">3<\/td>\n<td width=\"200\">12<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Table: <\/strong>CUSTOMER<\/p>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"3\">\n<tbody>\n<tr>\n<td width=\"200\">CCode<\/td>\n<td width=\"200\">CName<\/td>\n<td width=\"200\">Vcode<\/td>\n<\/tr>\n<tr>\n<td width=\"200\">1<\/td>\n<td width=\"200\">Hemant Sahu<\/td>\n<td width=\"200\">101<\/td>\n<\/tr>\n<tr>\n<td width=\"200\">2<\/td>\n<td width=\"200\">Raj Lai<\/td>\n<td width=\"200\">108<\/td>\n<\/tr>\n<tr>\n<td width=\"200\">3<\/td>\n<td width=\"200\">Feroza Shah<\/td>\n<td width=\"200\">105<\/td>\n<\/tr>\n<tr>\n<td width=\"200\">4<\/td>\n<td width=\"200\">Ketan Dhal<\/td>\n<td width=\"200\">104<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Give the output of the following SQL queries :<\/p>\n<ol start=\"1\">\n<li>SELECT COUNT (DISTINCT Make) FROM CABHUB ;<\/li>\n<li>SELECT MAX(Charges), MIN(Charges) FROM CABHUB ;<\/li>\n<li>SELECT COUNT(*), Make FROM CABHUB ;<\/li>\n<li>SELECT VehicleName FROM CABHUB WHERE Capacity = 4;<br \/>\nFor\u00a0<strong>top-notch exam preparation<\/strong>, download the\u00a0<strong><a href=\"https:\/\/play.google.com\/store\/apps\/details?id=in.techchefs.MyCBSEGuide\">myCBSEguide<\/a> App<\/strong>\u00a0today. The app offers a wide range of study materials for\u00a0<strong>CBSE<\/strong>,\u00a0<strong>NCERT<\/strong>,\u00a0<strong>JEE (Main)<\/strong>,\u00a0<strong>NEET-UG<\/strong>, and\u00a0<strong>NDA exams<\/strong>. Whether you&#8217;re a student or a teacher,\u00a0<a href=\"https:\/\/mycbseguide.com\/\"><strong>myCBSEguide<\/strong><\/a> Website equips you with everything you need to succeed\u2014<strong>sample papers<\/strong>,\u00a0<strong>practice questions<\/strong>,\u00a0<strong>study notes<\/strong>, and\u00a0<strong>revision materials<\/strong>\u00a0tailored to your syllabus.Students can enhance their exam readiness with\u00a0<strong>customized study plans<\/strong>\u00a0and timely reminders, while teachers can utilize the\u00a0<strong><a href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.examin8.exam\">Examin8<\/a> App<\/strong> and <strong><a href=\"https:\/\/examin8.com\/\">Examin8<\/a> Website<\/strong> to create <strong>personalized exam papers<\/strong>. This feature allows educators to generate test papers with their own\u00a0<strong>name and logo<\/strong>, making it an invaluable tool for crafting customized assignments and assessments to improve classroom learning.<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<p style=\"text-align: center;\"><strong>Class 12 &#8211; Computer Science<br \/>\nSample Paper &#8211; 01 (2024-25)<\/strong><\/p>\n<hr \/>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"Solution\"><\/span><strong>Solution <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: center;\"><b>Section A <\/b><\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\n<li>(b) False<br \/>\n<b>Explanation: <\/b> False<\/li>\n<li>(d) Tables<br \/>\n<b>Explanation: <\/b> A relational database consists of a collection of tables that store interrelated data.<\/li>\n<li>(c) List of tuples<br \/>\n<b>Explanation: <\/b> List of tuples<\/li>\n<li>(c) 4 is maximum<br \/>\n<b>Explanation: <\/b> Here, we define a function called printMax that uses two parameters called a and b. We find out the greater number using a simple if..else statement and then print the bigger number.The above code will produce error as the statement above is not correct form of dictionary, which has keys and values.<\/li>\n<li>(a) Twisted pair cable<br \/>\n<b>Explanation: <\/b> Twisted pair cable\u00a0is the least expensive\u00a0transmission media.<\/li>\n<li>(a) x<br \/>\n<b>Explanation: <\/b> x<\/li>\n<li>(b) 5<br \/>\n<b>Explanation: <\/b> A list is getting added in list l1 which will be counted as one item for the list.<\/li>\n<li>(c) Acts like a WHERE clause but is used for groups rather than rows.<br \/>\n<b>Explanation: <\/b> Acts like a WHERE clause but is used for groups rather than rows.HAVING is used to filter values after they have been groups.<\/li>\n<li>myfile.write(&#8220;Hello world!&#8221;)<br \/>\nFile object is myfile, and write() function writes string &#8220;Hello World!&#8221; into the file.<\/li>\n<li>(a) True<br \/>\n<b>Explanation: <\/b> True<\/li>\n<li>(a) OVERFLOW<br \/>\n<b>Explanation: <\/b> When a stack, implemented as an array\/list of fixed size, is full and no new element can be accommodated, it is called an OVERFLOW.<\/li>\n<li>The aggregate function that can display the cardinality (number of rows) of a table in SQL is COUNT.<\/li>\n<li>(c) WAN<br \/>\n<b>Explanation: <\/b> WAN spans a large geographical area, often a country or a continent and uses various commercial and private communication lines to connect computers.<\/li>\n<li>(d) Error<br \/>\n<b>Explanation: <\/b> ++ is not defined as an increment\u00a0operator in python.<\/li>\n<li>(b) Dictionary<br \/>\n<b>Explanation: <\/b> Dictionary<\/li>\n<li>(c) Fibre optic<br \/>\n<b>Explanation: <\/b> The transmission capacity of optical fibre cable is 26,000 times higher than that of twisted pair cable.<\/li>\n<li>(c) TCP<br \/>\n<b>Explanation: <\/b> TCP<\/li>\n<li>(b) Both A and R are true but R is not the correct explanation of A.<br \/>\n<b>Explanation: <\/b> The tuple items cannot be deleted individually by using the del keyword as tuple is immutable. To delete an entire tuple, we can use the del keyword with the tuple name.<\/li>\n<li>(b) Both A and R are true but R is not the correct explanation of A.<br \/>\n<b>Explanation: <\/b> pandas is defined as an open-source library that is built on top of the NumPy library and it provides fast analysis, data cleaning, and preparation of the data for the user.<\/li>\n<li>(c) A is true but R is false.<br \/>\n<b>Explanation: <\/b> The frozenset() function returns an unchangeable\/immutable version of a set object. The elements of set can be changed at any time but the elements of frozenset remains same. If you try to change the value of a frozenset item, it will cause an error.For effective exam preparation, <strong>download the <a href=\"https:\/\/play.google.com\/store\/apps\/details?id=in.techchefs.MyCBSEGuidehttps:\/\/play.google.com\/store\/apps\/details?id=in.techchefs.MyCBSEGuide\">myCBSEguide<\/a> App<\/strong>\u00a0today. It offers complete study material for\u00a0<strong>CBSE<\/strong>,\u00a0<strong>NCERT<\/strong>,\u00a0<strong>JEE (Main)<\/strong>,\u00a0<strong>NEET-UG<\/strong>, and\u00a0<strong>NDA exams<\/strong>. The app provides a wide range of resources including\u00a0<strong>sample papers<\/strong>,\u00a0<strong>practice questions<\/strong>,\u00a0<strong>study notes<\/strong>, and\u00a0<strong>revision tools<\/strong>, all designed to help you ace your exams.Whether you&#8217;re preparing for\u00a0<strong>CBSE board exams<\/strong>\u00a0or competitive tests like\u00a0<strong>JEE<\/strong>,\u00a0<strong>NEET<\/strong>, or\u00a0<strong>NDA<\/strong>, the myCBSEguide Website has everything you need to study smarter and perform better.In addition,\u00a0<strong><a href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.examin8.exam\">Examin8<\/a> App<\/strong> and \u00a0<strong><a href=\"https:\/\/examin8.com\/\">Examin8<\/a> Website <\/strong>allows <strong>teachers<\/strong>\u00a0to easily create customized test papers with their\u00a0<strong>name<\/strong>\u00a0and\u00a0<strong>logo<\/strong>, making it an excellent tool for generating personalized assessments and assignments.<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"text-align: center;\"><b>Section B <\/b><\/li>\n<li>import MySQLdb<br \/>\ndb = MySQLdb.connect(&#8220;localhost&#8221;,\u00a0&#8220;Admin&#8221;, &#8220;Ad123&#8221;, &#8220;HMD&#8221;)<br \/>\ncursor= db.cursor()<br \/>\ncursor.execute(&#8220;DROP TABLE IF EXISTS Location&#8221;)<br \/>\nsql=&#8221; &#8221; &#8220;Create Table location (id Numeric(5) PRIMARY KEY, bidycode\u00a0\u00a0varchar(10)\u00a0 Not Null ,<br \/>\nroom varchar(6) Not Null , Capacity Numeric(5) Not Null)&#8221; &#8221; &#8221;<br \/>\ncursor.execute(sql)<br \/>\ndb.close()<\/p>\n<ol start=\"1\">\n<li>&#8216;World&#8217;<\/li>\n<li>&#8216;Hello&#8217;<\/li>\n<\/ol>\n<\/li>\n<li><b>OR <\/b><img decoding=\"async\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/question_images\/1667275147-fm3xnk.jpg\" data-cke-saved-src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/question_images\/1667275147-fm3xnk.jpg\" \/><\/li>\n<li>(&#8216;ABC&#8217;, 35000)<\/li>\n<li><strong>Output<\/strong><br \/>\na : 175<br \/>\nb : 15<br \/>\nx : 50<br \/>\ny : 25<br \/>\nz : 100<b>OR <\/b>The length of this tuple is 3 because there are just three elements in the given tuple. Because a careful look at the given tuple yields that tuple t is made up of:<br \/>\nt1\u00a0= &#8220;a&#8221;, 1<br \/>\nt2 = t1, &#8220;b&#8221;, &#8220;c&#8221;<br \/>\nt3 = t2, &#8220;d&#8221;, 2<br \/>\nt = (t3, &#8220;e&#8221;, 3)<\/li>\n<li>\n<pre>def Readfile():\r\n\u00a0 \u00a0 i=open(\"Employee.dat\", \"rb+\")\r\n\u00a0 \u00a0 x=i.readline()\r\n\u00a0 \u00a0 while(x):\r\n\u00a0 \u00a0 \u00a0 \u00a0 l=x.split(':')\r\n\u00a0 \u00a0 \u00a0 \u00a0 if (20000&gt;=float(1[2])&lt;=40000):\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 print(x)\r\n\u00a0 \u00a0 \u00a0 \u00a0 x=i.readline()<\/pre>\n<p><b>OR <\/b><\/p>\n<pre>def count_Dwords():\r\n    with open (\"Details.txt\", 'r') as F:    # ignore 'r'\r\n        S=F.read()\r\n        Wlist = S.split()\r\n        count = 0\r\n        for w in wlist:\r\n            if w [-1].isdigit():\r\n                count+=1\r\nprint (\"Number of words ending with a digit are\", count)<\/pre>\n<p><strong>OR<\/strong><\/p>\n<pre>def count_Dwords():\r\n    count=0\r\n    myfile=open(\"Details.txt\")\r\n    S=myfile.read()\r\n    Wlist=S.split()\r\n        for W in Wlist:\r\n            if i[-1] in \"0123456789\":\r\n                count=count+1\r\n    myfile.close()\r\n    print(\"Number of words ending with a digit are\",count)\r\n<\/pre>\n<pre><\/pre>\n<\/li>\n<li>In Python, a default parameter is defined with a fallback value as a default argument. Such parameters are optional during a function call. If no argument is provided, the default value is used, and if an argument is provided, it will overwrite the default value. greet(&#8220;Ankit&#8221;, &#8220;How do you do?&#8221;)<\/li>\n<li>There are mainly two types of duplex communication:\n<ol start=\"1\">\n<li><strong>Full duplex:\u00a0<\/strong>In this type of transmission, two bitstreams can be simultaneously transmitted over the links at the same time, one going in each direction, i.e., sending as well as receiving the data.\u00a0For example, in a telephone conversation, two people communicate, and both are free to speak and listen at the same time.<\/li>\n<li><strong>Half-duplex:<\/strong>\u00a0In this type of transmission, data can flow in only one direction at a time i.e., either sending or receiving data at a time.\u00a0For example, in walkie-talkies, the speakers at both ends can speak, but they have to speak one by one. They cannot speak simultaneously.<\/li>\n<\/ol>\n<\/li>\n<li style=\"text-align: center;\"><b>Section C <\/b><\/li>\n<li>def prime(n) :<br \/>\nfor num\u00a0in range (2, n) :<br \/>\nis_prime = 1<br \/>\nfor i\u00a0in range (2, num):<br \/>\nif num % i == 0:<br \/>\nis_prime = 0<br \/>\nif is_prime == 1:<br \/>\nprint (num)<b>OR <\/b><\/p>\n<pre>def InsertQ(Names):\r\n\u00a0Name=raw_input(\"enter Name to be inserted: \")\r\n\u00a0Names.append(Name)\r\ndef DeleteQ(Names):\r\n\u00a0if (Names==[]):\r\n\u00a0print \"Queue empty\"\r\n\u00a0else:\r\n\u00a0print \"Deleted Player\u2019s Name is: \",Names[0]\r\n\u00a0del(Names[0])\r\n<\/pre>\n<ol start=\"1\">\n<li><strong>SELECT Name, Age FROM VACCINATION_DATA WHERE DOSE2 IS NOT NULL AND Age &gt; 40;<\/strong><br \/>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"3\">\n<tbody>\n<tr>\n<td>Name<\/td>\n<td>Age<\/td>\n<\/tr>\n<tr>\n<td>Harjot<\/td>\n<td>55<\/td>\n<\/tr>\n<tr>\n<td>Srikanth<\/td>\n<td>43<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/li>\n<li><strong>SELECT City, COUNT(*) FROM VACCINATION_DATA GROUP BY City;<\/strong><br \/>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"3\">\n<tbody>\n<tr>\n<td>City<\/td>\n<td>COUNT(*)<\/td>\n<\/tr>\n<tr>\n<td>Delhi<\/td>\n<td>2<\/td>\n<\/tr>\n<tr>\n<td>Mumbai<\/td>\n<td>2<\/td>\n<\/tr>\n<tr>\n<td>Kolkata<\/td>\n<td>1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/li>\n<li><strong>SELECT DISTINCT CITY FROM VACCINATION_DATA;<\/strong><br \/>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"3\">\n<tbody>\n<tr>\n<td>CITY<\/td>\n<\/tr>\n<tr>\n<td>Delhi<\/td>\n<\/tr>\n<tr>\n<td>Mumbai<\/td>\n<\/tr>\n<tr>\n<td>Kolkata<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/li>\n<li><strong>SELECT MAX(Dose1), MIN(Dose2) FROM VACCINATION_DATA;<\/strong><br \/>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"3\">\n<tbody>\n<tr>\n<td>MAX(Dose1)<\/td>\n<td>MIN(Dose2)<\/td>\n<\/tr>\n<tr>\n<td>2022-01-01<\/td>\n<td>2021-07-20<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/li>\n<\/ol>\n<\/li>\n<li><b>OR <\/b>MySQL is a free, open-source Relational Database Management System (RDBMS) that uses Structured Query Language (SQL). In a MySQL database, information is stored in Tables. A single MySQL database can contain many tables at once and store thousands of individual records.<\/li>\n<li>The differences between a local variable and a global variable are as given below :<br \/>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"3\">\n<tbody>\n<tr>\n<td><strong>Local Variable<\/strong><\/td>\n<td><strong>Global Variable<\/strong><\/td>\n<\/tr>\n<tr>\n<td>1. It is a variable which is declared within a function or within a block<\/td>\n<td>1. It is a variable which is declared outside all the functions<\/td>\n<\/tr>\n<tr>\n<td>2. It is accessible only within a function\/block in which it is declared<\/td>\n<td>2. It is accessible throughout the program<\/td>\n<\/tr>\n<tr>\n<td>3.Local variables are created when the function has started execution and are lost when the function terminates.<\/td>\n<td>3.Global variable is created as execution starts and is lost when the program ends.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>For example, in the following code, x, xCubed are global variables and n and cn are local variables.<br \/>\ndef cube(n):<br \/>\ncn = n * n * n<br \/>\nreturn cn<br \/>\nx = 10<br \/>\nxCubed = cube(x)<br \/>\nprint(x, &#8220;cubed is&#8221;, xCubed)<b>OR <\/b><\/p>\n<p>def OddSum(NUMBERS) :<br \/>\nodd_sum = 0<br \/>\nfor num\u00a0in range (len(NUMBERS)):<br \/>\nif (NUMBERS[num] % 2 != 0:<br \/>\nodd_sum = odd_sum + NUMBERS [num]\nprint odd_sum<\/li>\n<li style=\"text-align: center;\"><b>Section D <\/b><\/li>\n<li>&#8221; &#8221; &#8221;<br \/>\nStack: implemented as a list<br \/>\ntop: integer having a position of a topmost element in Stack<br \/>\n&#8221; &#8221; &#8221;<br \/>\ndef cls( ):<br \/>\nprint(&#8220;\\n&#8221;* 100)<br \/>\ndef is Empty(stk) :<br \/>\nif stk== [ ] :<br \/>\nreturn True<br \/>\nelse :<br \/>\nreturn False<br \/>\ndef Push(stk, item) :<br \/>\nstk.append(item)<br \/>\ntop = len(stk) &#8211; 1<br \/>\ndef Display(stk) :<br \/>\nif isEmpty(stk) :<br \/>\nprint (&#8220;Stack empty\u201d)<br \/>\nelse :<br \/>\ntop = len(stk) &#8211; 1<br \/>\nprint(stk[top], &#8220;&lt;-top&#8221;)<br \/>\nfor a in range(top-1, -1, -1 ) :<br \/>\nprint(stk[a])<br \/>\n# __main__<br \/>\nStack = [] # initially stack is empty<br \/>\ntop = None<br \/>\nwhile True :<br \/>\ncls()<br \/>\nprint (&#8220;STACK OPERATIONS&#8221;)<br \/>\nprint(&#8220;1. Push operation&#8221;)<br \/>\nprint(&#8220;2. Display stack&#8221;)<br \/>\nprint(&#8220;3. Exit&#8221;)<br \/>\nch = int(input(&#8220;Enter your choice (1-5) :&#8221;))<br \/>\nif ch == 1 :<br \/>\nbno = int(input(&#8220;Enter Book no. to be inserted :&#8221;))<br \/>\nbname = input (&#8220;Enter Book name to be inserted :&#8221;)<br \/>\nitem = [bno, bname] # creating a list from the input items.<br \/>\nPushfStack, item)<br \/>\ninput()<br \/>\nelif ch == 2 :<br \/>\nDisplay(Stack)<br \/>\ninput( )<br \/>\nelif ch == 3 :<br \/>\nbreak<br \/>\nelse :<br \/>\nprint(&#8220;Invalid choice!&#8221;)<br \/>\ninput()<b>OR <\/b>MAX_SIZE = 1000<br \/>\nstack = [0 for i in range(MAX_SIZE)]\ntop = 0<br \/>\ndef isEmpty ( ):<br \/>\nglobal top<br \/>\nreturn top == 0<br \/>\ndef push(x):<br \/>\nglobal stack,top<br \/>\nif top &gt;= MAX_SIZE:<br \/>\nreturn<br \/>\nstack[top]= x<br \/>\ntop += 1<br \/>\ndef pop( ):<br \/>\nglobal stack,top<br \/>\nif isEmpty( ):<br \/>\nreturn<br \/>\nelse:<br \/>\ntop -= 1<br \/>\nreturn stack[top]\nstring = input( ).split()<br \/>\nfor i in string:<br \/>\npush(i)<br \/>\nwhile not isEmpty( ):<br \/>\nx = pop( )<br \/>\nprint (x + x, end = &#8216; &#8216;)<\/li>\n<li>\n<pre>def countrec():\r\n    try:\r\n        # Open the binary file in read mode\r\n        with open(\"PATIENTS.dat\", \"rb\") as file:\r\n            covid_patients = []  # List to store COVID-19 patients\r\n            total_covid_patients = 0\r\n            while True:\r\n                record = file.readline().decode().strip()\r\n                if not record:\r\n                    break\r\n                PID, NAME, DISEASE = record.split(\",\")\r\n                if DISEASE == \"COVID-19\":\r\n                    covid_patients.append((PID, NAME))\r\n                    total_covid_patients += 1\r\n            # Display details of COVID-19 patients\r\n            print(\"Details of COVID-19 patients:\")\r\n            for pid, name in covid_patients:\r\n                print(f\"PID: {pid}, NAME: {name}\")\r\n            print(f\"Total COVID-19 patients: {total_covid_patients}\")\r\n    except FileNotFoundError:\r\n        print(\"File 'PATIENTS.dat' not found.\")\r\n# Call the function\r\ncountrec()<\/pre>\n<ol start=\"1\">\n<li>SELECT NAME FROM DOCTOR WHERE DEPT=&#8217;MEDICINE&#8217; AND EXPERIENCE &gt; 10;<\/li>\n<li>SELECT AVG(BASIC + ALLOWANCE) FROM SALARY WHERE SALARY.ID IN(SELECT ID FROM DOCTOR WHERE DEPT=&#8217;ENT&#8217;);<\/li>\n<li>SELECT MIN(ALLOWANCE) FROM SALARY WHERE SALARY.ID IN(SELECT ID FROM DOCTOR WHERE SEX =&#8217;F&#8217;);<\/li>\n<li>SELECT MAX(CONSULTATION) FROM SALARY WHERE SALARY.ID IN(SELECT ID FROM DOCTOR WHERE SEX=&#8217;M&#8217;);<\/li>\n<li>SELECT * FROM DOCTOR<br \/>\nWHERE EXPERIENCED&gt;12;<\/li>\n<\/ol>\n<\/li>\n<li><b>OR <\/b>\n<ol start=\"1\">\n<li>SELECT * FROM CLIENT<br \/>\nWHERE City = &#8216; Delhi &#8216; ;<\/li>\n<li>SELECT * FROM PRODUCT<br \/>\nWHERE Price BETWEEN 50 AND 100 ;<\/li>\n<li>SELECT ClientName, City, ProductName, Price<br \/>\nFROM CLIENT, PRODUCT<br \/>\nWHERE CLIENT.P_ID = PRODUCT.P_ID ;<\/li>\n<li>UPDATE\u00a0PRODUCT<br \/>\nSET Price = Price + 10 ;<\/li>\n<\/ol>\n<\/li>\n<li>def encrypt(sttr, enkey):<br \/>\nreturn enkey.join(sttr)<br \/>\ndef decrypt(sttr, enkey):<br \/>\nreturn sttr.split(enkey)<br \/>\n#-main-<br \/>\nmainstring = input(&#8220;Enter main string:&#8221;)<br \/>\nencryptStr = input(&#8220;Enter encyption key:&#8221;)<br \/>\nenStr = encrypt(mainString, encryptStr)<br \/>\ndeLst = decrypt(enStr, encryptStr)<br \/>\n# deLst is in the form of a list, converting it to string below<br \/>\ndeStr=&#8221;&#8221;.join(deLst)<br \/>\nprint(&#8220;The encrypted string is&#8221;, enStr)<br \/>\nprint(&#8220;String after decryption is:&#8221;, deStr)<br \/>\nThe sample run of the above program is as shown below:<br \/>\nEnter main string : My main string<br \/>\nEnter encryption key : @$<br \/>\nThe encrypted string is m@$y@$ @$m@$a@$i@$n@$\u00a0@$s@$t@$r@$i@$n@$g<br \/>\nString after decryption is : My main string<\/li>\n<li><b>Section E <\/b>\n<ol start=\"1\">\n<li>The server should be Dedicated server<\/li>\n<li>The most suitable place to house the server is Science Block as it has the maximum number of computers. Thus, reducing the cabling cost and increase\u00a0the efficiency of the network.<\/li>\n<li>SWITCH<\/li>\n<li>Satellite Connection Or Leased line<\/li>\n<\/ol>\n<ol start=\"1\">\n<li>SELECT * FROM MEMBER ORDER BY ISSUEDATE DESC<\/li>\n<li>SELECT Code, BNAME FROM BOOK WHERE TYPE &#8216;Fiction&#8217;<\/li>\n<li>SELECT COUNT(*), TYPE FROM BOOK GROUP BY TYPE<\/li>\n<li>SELECT MNAME, ISSUEDATE FROM MEMBER WHERE ISSUEDATE Like &#8216;2017 %&#8217;<\/li>\n<li>MAX (ISSUE DATE) 2017-02-23<\/li>\n<li>DISTINCT (TYPE)<br \/>\nFiction<br \/>\nLiterature<br \/>\nComic<\/li>\n<li>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"3\">\n<tbody>\n<tr>\n<td>CODE<\/td>\n<td>BNAME<\/td>\n<td>MNO<\/td>\n<td>MNAME<\/td>\n<\/tr>\n<tr>\n<td>L102<\/td>\n<td>German easy<\/td>\n<td>M101<\/td>\n<td>RAGHAV SINHA<\/td>\n<\/tr>\n<tr>\n<td>F102<\/td>\n<td>Untold Story<\/td>\n<td>M103<\/td>\n<td>SARTHAK JOHN<\/td>\n<\/tr>\n<tr>\n<td>C101<\/td>\n<td>Tarzan in the lost world<\/td>\n<td>M102<\/td>\n<td>ANISHA KHAN<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/li>\n<li><u>BNAME<\/u><br \/>\nGerman easy<\/li>\n<\/ol>\n<\/li>\n<li><b>OR <\/b>\n<ol start=\"1\">\n<li>4<\/li>\n<li>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"3\">\n<tbody>\n<tr>\n<td>35<\/td>\n<td>12<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/li>\n<li>Invalid query<\/li>\n<li>SX4<br \/>\nC Class<br \/>\n<strong>Boost Your Exam Preparation with the myCBSEguide App<\/strong>For\u00a0<strong>effective exam preparation<\/strong>, download the\u00a0<strong><a href=\"https:\/\/play.google.com\/store\/apps\/details?id=in.techchefs.MyCBSEGuide\">myCBSEguide<\/a> App<\/strong>\u00a0today. It offers\u00a0<strong>complete study material<\/strong>\u00a0for\u00a0<strong>CBSE<\/strong>,\u00a0<strong>NCERT<\/strong>,\u00a0<strong>JEE (Main)<\/strong>,\u00a0<strong>NEET-UG<\/strong>, and\u00a0<strong>NDA exams<\/strong>. The app provides a wide range of resources, including\u00a0<strong>practice questions<\/strong>,\u00a0<strong>sample papers<\/strong>,\u00a0<strong>study notes<\/strong>, and\u00a0<strong>revision guides<\/strong>\u2014all designed to help students excel in their exams.Whether you&#8217;re aiming for\u00a0<strong>top marks in CBSE<\/strong>, preparing for\u00a0<strong>JEE Main<\/strong>,\u00a0<strong>NEET UG<\/strong>, or the\u00a0<strong>NDA exam<\/strong>, the\u00a0<strong>myCBSEguide<\/strong> app and <strong><a href=\"https:\/\/mycbseguide.com\/\">myCBSEguide<\/a> <\/strong>website has everything you need to study effectively and efficiently.Additionally,\u00a0<strong><a href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.examin8.exam\">Examin8<\/a> App<\/strong> and <a href=\"https:\/\/examin8.com\/\"><strong>Examin8<\/strong><\/a> <strong>Website<\/strong> allows <strong>teachers<\/strong>\u00a0to create\u00a0<strong>customized test papers<\/strong>\u00a0with their\u00a0<strong>name and logo<\/strong>, making it a valuable tool for generating personalized exams and assignments.<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<h2><span class=\"ez-toc-section\" id=\"CBSE_Sample_Papers_for_Class_12\"><\/span><strong>CBSE\u00a0Sample Papers\u00a0for Class 12<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><a href=\"https:\/\/mycbseguide.com\/course\/cbse-class-12-physics\/1251\/\"><strong>Physics<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/mycbseguide.com\/course\/cbse-class-12-chemistry\/1267\/\" target=\"_blank\" rel=\"noopener\"><strong>Chemistry<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/mycbseguide.com\/course\/cbse-class-12-mathematics\/1284\/\" target=\"_blank\" rel=\"noopener\"><strong>Mathematics<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/mycbseguide.com\/course\/cbse-class-12-biology\/1298\/\" target=\"_blank\" rel=\"noopener\"><strong>Biology<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/mycbseguide.com\/course\/cbse-class-12-english-core\/1855\/\" target=\"_blank\" rel=\"noopener\"><strong>English Core<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/mycbseguide.com\/course\/cbse-class-12-business-studies\/1727\/\" target=\"_blank\" rel=\"noopener\"><strong>Business Studies<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/mycbseguide.com\/course\/cbse-class-12-economics\/1327\/\" target=\"_blank\" rel=\"noopener\"><strong>Economics<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/mycbseguide.com\/course\/cbse-class-12-accountancy\/1315\/\" target=\"_blank\" rel=\"noopener\"><strong>Accountancy<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/mycbseguide.com\/course\/cbse-class-12-computer-science\/1851\/\" target=\"_blank\" rel=\"noopener\"><strong>Computer Science<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/mycbseguide.com\/course\/cbse-class-12-informatics-practices\/1873\/\" target=\"_blank\" rel=\"noopener\"><strong>Informatics Practices<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/mycbseguide.com\/course\/cbse-class-12-%E0%A4%B9%E0%A4%BF%E0%A4%82%E0%A4%A6%E0%A5%80-%E0%A4%95%E0%A5%8B%E0%A4%B0\/1865\/\" target=\"_blank\" rel=\"noopener\"><strong>Hindi Core<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/mycbseguide.com\/course\/cbse-class-12-%E0%A4%B9%E0%A4%BF%E0%A4%82%E0%A4%A6%E0%A5%80-%E0%A4%90%E0%A4%9A%E0%A5%8D%E0%A4%9B%E0%A4%BF%E0%A4%95\/1867\/\" target=\"_blank\" rel=\"noopener\"><strong>Hindi Elective<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/mycbseguide.com\/course\/cbse-class-12-history\/1869\/\" target=\"_blank\" rel=\"noopener\"><strong>History<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/mycbseguide.com\/course\/cbse-class-12-political-science\/1879\/\" target=\"_blank\" rel=\"noopener\"><strong>Political Science<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/mycbseguide.com\/course\/cbse-class-12-geography\/1863\/\" target=\"_blank\" rel=\"noopener\"><strong>Geography<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/mycbseguide.com\/course\/cbse-class-12-home-science\/1871\/\" target=\"_blank\" rel=\"noopener\"><strong>Home Science<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/mycbseguide.com\/course\/cbse-class-12-physical-education\/1877\/\" target=\"_blank\" rel=\"noopener\"><strong>Physical Education<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/mycbseguide.com\/course\/cbse-class-12\/1250\/\" target=\"_blank\" rel=\"noopener\"><strong>Other Subjects<\/strong><\/a><\/li>\n<\/ul>\n<p>For comprehensive exam preparation,\u00a0<strong>download sample papers for Class 12<\/strong>\u00a0in\u00a0<strong>Physics<\/strong>,\u00a0<strong>Chemistry<\/strong>,\u00a0<strong>Biology<\/strong>,\u00a0<strong>History<\/strong>,\u00a0<strong>Political Science<\/strong>,\u00a0<strong>Economics<\/strong>,\u00a0<strong>Geography<\/strong>,\u00a0<strong>Computer Science<\/strong>,\u00a0<strong>Home 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These <strong>CBSE Class 12 sample papers<\/strong>\u00a0come with detailed\u00a0<strong>solutions<\/strong> and are based on the latest syllabus and exam pattern. The\u00a0<strong><a href=\"https:\/\/examin8.com\/\">Examin8<\/a> website<\/strong> and <a href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.examin8.exam\"><strong>Examin8<\/strong><\/a> <strong>app<\/strong>\u00a0provide a complete exam preparation solution with\u00a0<strong>sample papers<\/strong>,\u00a0<strong>mock tests<\/strong>, and\u00a0<strong>personalized learning plans<\/strong>. Access\u00a0<strong>Class 9 Hindi A Sample Papers 2025<\/strong>\u00a0for better exam practice and confidence.<\/p>\n<p><strong>myCBSEguide<\/strong>\u00a0offers a complete range of study resources to help you excel in your board exams. You can access\u00a0<strong>chapter-wise test papers<\/strong>,\u00a0<strong>NCERT solutions<\/strong>,\u00a0<strong>NCERT Exemplar solutions<\/strong>, and\u00a0<strong>quick revision notes<\/strong>\u00a0to sharpen your understanding of key concepts. Additionally, you&#8217;ll find\u00a0<strong>CBSE guess papers<\/strong>,\u00a0<strong>important question papers<\/strong>, and other essential resources to boost your exam preparation.<\/p>\n<p>Whether you&#8217;re preparing for\u00a0<strong>Class 12 Physics<\/strong>,\u00a0<strong>Chemistry<\/strong>,\u00a0<strong>Biology<\/strong>, or any other subject,\u00a0<strong>myCBSEguide<\/strong>\u00a0provides the best app and website for\u00a0<strong>CBSE students<\/strong>\u00a0to download and practice sample papers and solve practice questions efficiently.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Why_Choose_myCBSEguide_for_Your_CBSE_Exam_Preparation\"><\/span><strong>Why Choose myCBSEguide for Your CBSE Exam Preparation?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>1.\u00a0<strong>Comprehensive Study Materials<\/strong><\/p>\n<p>myCBSEguide offers a wealth of study resources, including\u00a0<strong>sample papers<\/strong>,\u00a0<strong>test papers<\/strong>,\u00a0<strong>chapter-wise practice papers<\/strong>,\u00a0<strong>NCERT solutions<\/strong>, and\u00a0<strong>NCERT Exemplar solutions<\/strong>. These materials cover the entire\u00a0<strong>CBSE syllabus<\/strong>, ensuring that students have everything they need to prepare effectively for their exams.<\/p>\n<p>2.\u00a0<strong>Free Sample Papers &amp; Solutions<\/strong><\/p>\n<p>You can download\u00a0<strong>free sample papers<\/strong>\u00a0for\u00a0<strong>Class 9 and 10<\/strong>\u00a0across all subjects like\u00a0<strong>Science, Mathematics, Social Science, English<\/strong>, and\u00a0<strong>Hindi<\/strong>. Each paper comes with\u00a0<strong>detailed solutions<\/strong>\u00a0and a\u00a0<strong>marking scheme<\/strong>, helping you understand how to approach different question types.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CBSE Sample Papers Class 12 Computer Science 2025 We recommend students to check out the\u00a0Class 12 Computer Science model question papers 2024-25\u00a0on the\u00a0myCBSEguide app\u00a0for thorough exam preparation.\u00a0CBSE Sample Papers for Class 12 Computer Science 2025\u00a0are now available for\u00a0free download\u00a0on both the\u00a0official CBSE website\u00a0and the\u00a0myCBSEguide app. These sample papers provide a clear insight into the\u00a0exam pattern\u00a0and &#8230; <a title=\"CBSE Sample Papers Class 12 Computer Science 2025\" class=\"read-more\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-sample-papers-class-12-computer-science\/\" aria-label=\"More on CBSE Sample Papers Class 12 Computer Science 2025\">Read more<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1339,2000,1443,2063],"tags":[147,1020,1527,12,1341,1933,1959,1967,1342,326,1340],"class_list":["post-13600","post","type-post","status-publish","format-standard","hentry","category-cbse-sample-papers","category-class-12-sample-papers","category-computer-science-cbse-class-12","category-computer-science-sample-papers-class-12-sample-papers","tag-cbse-class-12","tag-cbse-class-12-computer-science","tag-cbse-question-paper","tag-cbse-sample-papers","tag-cbse-sample-papers-2018-19","tag-cbse-sample-papers-2023","tag-cbse-sample-papers-2024","tag-cbse-sample-papers-2025","tag-class-12","tag-computer-science","tag-model-question-papers"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>CBSE Sample Papers Class 12 Computer Science 2025<\/title>\n<meta name=\"description\" content=\"CBSE Sample Papers Class 12 Computer Science 2025 in PDF format for free download. 12 Class CBSE Sample Papers 2024-25 Computer Science.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-sample-papers-class-12-computer-science\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CBSE Sample Papers Class 12 Computer Science 2025\" \/>\n<meta property=\"og:description\" content=\"CBSE Sample Papers Class 12 Computer Science 2025 in PDF format for free download. 12 Class CBSE Sample Papers 2024-25 Computer Science.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mycbseguide.com\/blog\/cbse-sample-papers-class-12-computer-science\/\" \/>\n<meta property=\"og:site_name\" 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