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Meghna Thapar 5 years, 1 month ago
A user interface, also called a "UI" or simply an "interface," is the means in which a person controls a software application or hardware device. A common example of a hardware device with a user interface is a remote control. In the industrial design field of human-computer interaction, a user interface is the space where interactions between humans and machines occur.
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Sujit Bhusari 5 years, 1 month ago
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Gaurav Seth 5 years, 1 month ago
A computer is an electronic device which takes input data from the user, then processes it and returns the required output data. Input and output data may contain numbers, words, pictures, videos or sounds. A computer can process data at a very high speed without making any mistake and has a huge storage capacity.
The five basic functions of a computer are as follows:
- It receives input data from the user.
- It processes the given data.
- It produces an output.
- It stores the result.
- It controls all the above operations.
Posted by Mr Sunil Rai Rai 5 years, 1 month ago
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Yogita Ingle 5 years, 1 month ago
Cell References
As discussed earlier, cell references are the addresses of the cells that contain values to be used for calculations. Table 2.1 shows some of the ways to refer to the cell/range of cells.
Posted by S M D Gamer 5 years, 1 month ago
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Mr Sunil Rai Rai 5 years, 1 month ago
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Yogita Ingle 5 years, 1 month ago
Metropolitan area network(MAN)
A metropolitan area network combines two or more LANs. It connects computers in different parts of city.
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Yogita Ingle 5 years, 1 month ago
Supercomputer, any of a class of extremely powerful computers. The term is commonly applied to the fastest high-performance systems available at any given time. Such computers have been used primarily for scientific and engineering work requiring exceedingly high-speed computations.
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Yogita Ingle 5 years, 1 month ago
Primary memory
It is also called as the main memory of the computer. It stores the instructions, operating system and data which required to run the computer. There are two types of primary memories.
RAM (Random Access Memory)
ROM (Read Only Memory
| Floppy Disk (5.25 inches) | Magnetic | 1.2 MB |
| Floppy Disk (3.5 inches) | Magnetic | 1.44 MB |
| Floppy Disk (3.55 inches) | Magnetic | 80 KB to 242 KB |
| Hard Disk | Magnetic | upto 1 TB |
| CD-ROM | Optical | 640 MB to 680 MB |
| DVD-ROM | Optical | 4.7 GB to 17 GB |
| Pen-Drive | Solid State | 1 GB to 512 GB |
| Magnetic tape | Magnetic | Upto 1 TB |
Posted by Palki Prabhakar 5 years, 1 month ago
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Manas Bisay 5 years, 1 month ago
Posted by Edwin Davit 5 years, 1 month ago
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Yogita Ingle 5 years, 1 month ago
Flow of control through any given function is implemented with three basic types of control structures:
- Sequential: default mode. Sequential execution of code statements (one line after another) -- like following a recipe
- Selection: used for decisions, branching -- choosing between 2 or more alternative paths. In C++, these are the types of selection statements:
- if
- if/else
- switch
- Repetition: used for looping, i.e. repeating a piece of code multiple times in a row. In C++, there are three types of loops:
- while
- do/while
- for
Manas Bisay 5 years, 1 month ago
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Gaurav Seth 5 years, 1 month ago
Anti-Virus Software
Definition –
- We can prevent our computer from virus attack with the help of Anti-virus software.
- These are programs designed to prevent, detect and remove software viruses.
Functions –
- It helps to scan files or directories
- It allows to schedule scans and it automatically runs to detect the virus
- It allows to initiate a scan of a specific file of your computer, or of a CD or flash drive at any time
- Removes any malicious code on detection
Ways to avoid the virus attacks –
- Scan all the email attachment before opening them
- Install your computer with a good anti-virus program to scan for viruses
- Scan the disk frequently for viruses
- Never install any pirated software
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Nalini Shishodia 5 years, 1 month ago
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Gaurav Seth 5 years, 1 month ago
A n s w e r: y axis
Explanation:
The y axis is usually the vertical axis and contains data. The x-axis is usually the horizontal axis and contains categories in a chart.
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Meghna Thapar 5 years, 1 month ago
Formatting in excel is a neat trick in excel which is used to change the appearance of the data represented in the worksheet, formatting can be done in multiple ways such as we can format the font of the cells or we can format the table by using the styles and format tab available in the home tab. In the organization of information according to preset specifications (usually for computer processing) Synonyms: data format, format, formatting Types: high-level formatting. (computer science) the format for the root directory and the file allocation tables and other basic configurations.
Posted by Karanjit Das 5 years, 1 month ago
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Meghna Thapar 5 years, 1 month ago
Windows 7 provides three types of user accounts: standard, administrator, and guest. The default local Administrator account is a user account for the system administrator. Every computer has an Administrator account (SID S-1-5-domain-500, display name Administrator). The Administrator account is the first account that is created during the Windows installation.
Posted by Dikhit Saikia 5 years, 1 month ago
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Nalini Shishodia 5 years, 1 month ago
Gaurav Seth 5 years, 1 month ago
Central Processing Unit (CPU) consists of the following features −
- CPU is considered as the brain of the computer.
- CPU performs all types of data processing operations.
- It stores data, intermediate results, and instructions (program).
- It controls the operation of all parts of the computer.
Posted by Krishna Ff 5 years, 1 month ago
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Manas Bisay 5 years, 1 month ago
Posted by Dipesh Wankhede 5 years, 1 month ago
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Yogita Ingle 5 years, 1 month ago
A.........stores pictures from in a digital camera. option: i)card reader ii)memory card iii)celluloid iv)web cam
Ans : web cam
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Mamata Rautray 5 years, 1 month ago
2Thank You