Today our mam taught us about computer ,but I couldn't understand ANYTHING.......

Computer is my most favourite topic!!! Come I'll take you to the world of computers.

What is a computer ?

A computer is a electronic device that has the ability to store, retrieve and process data. It also allows us to play games ,type a document ,send email and browse on the web.

A computer has the following things:

? mouse

? CPU

? Keyboard

? Monitor

Sam ,What are input devices ?

Rita , input devices are those hardware devices that sends commands to computer.

So, output devices are those devices reverses the process.

Yes those devices get data from the input devices and the show whatever we have written .

Now let's see inside this big box. it has many parts which are important to the computer

This big box has the following parts:

>CPU

>Primary memory

>secondary memory

>connection ports

>power supply

> motherboard

What is a CPU?

-A CPU{ Central processing unit} is also known as Brain of the computer or a processer.

-It is a small chip

-It also performs instuctions given by user or an application

What is a primary memory and secondary memory