Question

WHAT IS COMPUTER?EXPLAIN.

Answer 1

Answer:

A computer is a device that takes information (input) and gives out the output.

A computer has two categories :

• Hardware: computer's processor, memory, storage, communication ports and peripheral devices

• Software: Includes operating system (OS) and software applications

Now we will talk about different types of computer:

• supercomputers: they are very fast and best computers still now

• mainframe computers: these are also good computers which can support upto thousand users

• minicomputers: these are small machines and are good

• microcomputers: these are widely used and fastest growing computers

In a computer there are three types of os, they are:

• microsoft windows

• mac

• linux

In a computer there are many parts ,they are:

• monitor (output devices)

• cpu  (input and output device)

• keyboard (input device)

• mouse (input device)

• speakers (output device)

• printers (output device)

• functions of all parts in a computer:

• CPU- it is known as the central processing unit. it is the head and heart of the computer.

• monitor- it is an output device where the user can read all the output.

• mouse- it is an input device used to point the cursor onto a particular thing

• keyboard- it is an input device with which we can type all the alphabets and numerals.

• speakers-it is an output device with which we can hear the audio output.

• printers- it is an output device used to print pages and scan documents.

Examples of window os:

• ms-dos

• Windows 1.0 - 2.0

• Windows 3.0 – 3.1

• Windows 95

• Windows 98

• Windows ME - Millennium Edition

• Windows NT 31. - 4.0

• Windows 2000

• Windows XP

• Windows Vista

• Windows 7

• Windows 8

• Windows 10

• Windows Server

• Windows Home Server

• Windows CE

• Windows Mobile

• Windows Phone 7-10

Computer also has many units, they are:

• Arithmetic unit
• Logical unit
• Memory unit

Answer 2

A computer is an electronic device that manipulates information, or data. It has the ability to store, retrieve, and process data. You may already know that you can use a computer to type documents, send email, play games, and browse the Web.

(✷‿✷) extra information (✷‿✷)

What is computer full form?

The full form of computer is “Commonly Operated Machine Particularly in Use of Technical and Educational Research”.

What are the computer types?

The four basic types of computers are as under:-

1. Supercomputer.
2. Mainframe Computer.
3. Minicomputer
4. Microcomputer