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Explain about hub?(3mark)

Posted by Alok Sahu 4 years, 2 months ago

1 answers

A hub is a physical layer networking device which is used to connect multiple devices in a network. They are generally used to connect computers in a LAN. A hub has many ports in it. A computer which intends to be connected to the network is plugged in to one of these ports.

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Doubt is q 18 from chapter 3 working with function of which answer is different from those that are actually given ?

Posted by Ankit Yadav 4 years, 2 months ago

CBSE > Class 12 > Computer Science

2 answers

Kalyan Das 4 years, 2 months ago

what is python

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Kalyan Das 4 years, 2 months ago

what if java

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Write the modules that will be required to be imported to execute the following code in Python. def main( ): for i in range (len(string)) ): if string [i] = = ‘ ’ print elif : c=string[i].upper() print (“string is:”,c) print (“String length=”,len(string.floor())

Posted by Ashu Srivastava 4 years, 2 months ago

CBSE > Class 12 > Computer Science

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What is the range of a LAN network?

Posted by Alok Sahu 4 years, 2 months ago

CBSE > Class 12 > Computer Science

1 answers

Arjűņ _Pāwåř 4 years, 2 months ago

Ans-The maximum cable length of a twisted pair is 100 m (328 ft.) while for fiber optic cable, the maximum length ranges from 10 km to 70 km, depending on the type of fiber. Depending on the type of twisted pair or fiber optic cables used, data rates today can range from 100 Mbit/s to 10,000 Mbit/s.

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Write a python program to read and print the details

Posted by Khushi Chaudhary 4 years, 2 months ago

CBSE > Class 12 > Computer Science

1 answers

Arjűņ _Pāwåř 4 years, 2 months ago

Details kya h??

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Write a program in python to store a text file into a file and to print the contents line by line

Posted by Nanda Nair 4 years, 2 months ago

CBSE > Class 12 > Computer Science

0 answers

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write a function which will accept a list and print the total number of students got more than 85%

Posted by Ankita Shrivastav 4 years, 2 months ago

CBSE > Class 12 > Computer Science

1 answers

K P 4 years, 2 months ago

def list85(lst): c=0 for ele in lst: if ele >= 85: c+=1 print("No. of stuudent got 85 or more : ", c) list85([78,30,45,90,86,47])

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Programs

Posted by A Gokul 4 years, 2 months ago

CBSE > Class 12 > Computer Science

1 answers

A Gokul 4 years, 2 months ago

What is the significance of data visualization

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8.Which file is a series of ones and zeros and is read byte by byte?

Posted by Adarsh Shukla 4 years, 2 months ago

CBSE > Class 12 > Computer Science

0 answers

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What are the different factors that effect the reliability of a network?

Posted by Bijay Limbu 4 years, 2 months ago

CBSE > Class 12 > Computer Science

1 answers

Meghna Thapar 4 years, 2 months ago

Reliability is concerned with the ability of a network to carry Reliability is concerned with the ability of a network to carry out a desired operation such as "communication". The reliability of network is related to several factors, such as hardware equipment, software services, human factors and so on. Most previous papers pay more attention on the hardware equipment factors than the others. The reliability of network is measured by if the equipment is normal running.

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How to write python programme to read last 2 lines of text file

Posted by Anjali Katiyar 4 years, 2 months ago

CBSE > Class 12 > Computer Science

1 answers

Game Must 4 years, 2 months ago

with open("file.txt","r") as f: read=f.read() splited=read.split("\n") print(splited [-2]) print(splited [-1])

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Give some questions of file handling

Posted by Sushil Verma 4 years, 2 months ago

CBSE > Class 12 > Computer Science

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Write a python program to print square root of every alternate number in the range 1 to 10.

Posted by Life 2Love 4 years, 2 months ago

CBSE > Class 12 > Computer Science

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Write a program to print a square multiplication table

Posted by Suhani Mohanani 4 years, 2 months ago

CBSE > Class 12 > Computer Science

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With reference to the following relations personal and job answer the following questions that follows create the following table sets us employment number and mass number and not null and unique

Posted by Nandini Devnath 4 years, 2 months ago

CBSE > Class 12 > Computer Science

0 answers

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write a program that will put a list from user and search for specific element using binary search method in python

Posted by Madhuri Rajpoot 4 years, 2 months ago

CBSE > Class 12 > Computer Science

0 answers

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Write a query to display the subjects with maximum stipend

Posted by Varsha Kukreti 4 years, 2 months ago

CBSE > Class 12 > Computer Science

1 answers

Rajveer Chauhan 4 years, 2 months ago

Select max(subject)from<table_name>;

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Determine the big-O notation for the the calculated complexity 5n5/2 +n2/5

Posted by Mercydora Warjri 4 years, 2 months ago

CBSE > Class 12 > Computer Science

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Create a module Fibonacci.py to generate the Fibonacci series of any number

Posted by Maphisabet Jeengaphs 4 years, 2 months ago

CBSE > Class 12 > Computer Science

0 answers

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Create a module Fibonacci series to check whether the given number is a Fibonacci series or not

Posted by Maphisabet Jeengaphs 4 years, 2 months ago

CBSE > Class 12 > Computer Science

0 answers

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Create a module palindrome to check whether the given number is a palindrome number or not

Posted by Maphisabet Jeengaphs 4 years, 2 months ago

CBSE > Class 12 > Computer Science

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Create a module Armstrong to check whether the given number is Armstrong number or not?

Posted by Maphisabet Jeengaphs 4 years, 2 months ago

CBSE > Class 12 > Computer Science

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Information stored on a storage device with a specific name is called

Posted by Sakshi Kushwaha 4 years, 2 months ago

CBSE > Class 12 > Computer Science

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CSV

Posted by Ankur Sinsinwar 4 years, 2 months ago

CBSE > Class 12 > Computer Science

1 answers

Rajveer Chauhan 4 years, 2 months ago

It's full form is comma separated value It is delimited text file that uses comma to separate the value

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What is control flow statements

Posted by Govind Raj 4 years, 2 months ago

CBSE > Class 12 > Computer Science

1 answers

Anirban Gorai 4 years, 2 months ago

A program’s control flow is the order in which the program’s code executes. The control flow of a Python program is regulated by conditional statements, loops, and function calls. This section covers the if statement and for and while loops; functions are covered later in this chapter. Raising and handling exceptions also affects control flow.

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What is networking

Posted by Krishna Bhide 4 years, 2 months ago

CBSE > Class 12 > Computer Science

1 answers

Ankur Sinsinwar 4 years, 2 months ago

Networking is the exchange of information and ideas among people with a common profession or special interest, usually in an informal social setting. Networking often begins with a single point of common ground. Networking is used by professionals to expand their circles of acquaintances, to find out about job opportunities in their fields, and to increase their awareness of news and trends in their fields or in the greater world. (The term computer networking refers to linking multiple devices so that they can readily share information and software resources.)

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Explain 5 tokens in python

Posted by Riddhi . 4 years, 3 months ago

CBSE > Class 12 > Computer Science