Main Parts of Computer
Category : 1st Class
Main Parts of Computer
Introduction
Like we human beings have our body parts to do different task, a computer also has parts to perform different tasks.
There are four main parts of a computer. They are:
1. Monitor
2. Mouse
3. CPU
4. Keyboard
Monitor
v A monitor looks like a TV Screen.
v It displays pictures, text, movies etc on screen.
v It is also called Visual Display Unit (VDU).
v It displays information generated by computer.
Mouse
v Mouse of a computer is a pointing device which looks like a real mouse.
v It has .two click buttons and one scroll wheel.
v The movement of the cursor on the screen depends on the direction of rolling the mouse on the mouse pad.
v An arrow-like figure that appears .on the monitor is called a mouse pointer.
CPU
v CPU stands for Central Processing Unit.
v It is the main unit of a computer for processing data.
v It is also known as brain of computer.
v CPU controls all the activities of computer.
v CPU contains power ON button, disk drives, powers slot and many connectors.
Keyboard
v Keyboard is used for data input.
v It looks like a typewriter.
v It has many keys including, 26 Alphabet keys, 9 numeric keys, 12 function keys, arrow keys, special keys, and so on.
v It is used to type alphabets, numbers and symbols.
Some Additional parts of a computer
Printer
A printer is used for printing text and pictures from a computer on to paper.
Scanner
A scanner scans or copies documents (text or pictures) and converts them into digital data.
Speaker
Speakers help us to hear sound that comes from a computer.
Things to Remember
Answer Me
1. Write the names of the images.
2. Tick ( √ ) the correct answer.
A. It is used to type numbers, alphabets and symbols.
B. It is known as the brain of a computer.
C. It is used to display output.
D. It is a pointing device used to select things.
E. In the picture of the keyboard below, colour the letters that are in your name.
3. Match the following:
1. |
Monitor |
||
2. |
CPU |
||
3. |
Mouse |
||
4. |
Printer |
||
5. |
Keyboard |
||
6. |
Scanner |
You need to login to perform this action.
You will be redirected in
3 sec