Lesson 1: All about Computer

When we play a song many people will hear the sound.

• headset

• headphone

• speaker

It is called the brain of the computer.

• headset

• C.P.U.

• monitor

Has many symbols, command, letters and numbers.

• monitor

• printer

• keyboard

Accepts text files or images from a computer and transfers them to a medium such as paper or film.

• printer

• speaker

• keyboard

It has right-click, left-click and scroll wheel.

• monitor

• mouse

• printer

We can see pictures, videos, and text.

• keyboard

• monitor

• mouse

• Input device

• Output device

• Input device

• Output device

Speaker

• Input device

• Output device

Scanner

• Input device

• Output device