They show us pictures, words and play sounds, making it possible for us to see and hear what the computer wants to tell us.
We put input (data in the form of numbers, letters or signs), the computer does the processing and gives us output (our required data).
MONITOR
A monitor is a special screen that looks like a TV. It shows us everything the computer wants to tell us, like pictures, words, and videos. When you use a computer, you can see everything on the monitor
Types of MONITOR
There are three types of computer monitor:
. CRT Monitor
A CRT monitor is an older type of computer screen. It’s like a big, heavy TV screen that used to be used with computers.
. LCD Monitor
LCB monitor is like a computer screen, but it is thinner and lighter than older screens.
LED Monitor
An LED monitor is a special kind of computer screen. It is like a big, flat TV that shows pictures and words from the computer.
PRINTER
Printer is an output device which is used to get prints on paper. Some printers print in black and white while some printers print in colours.
SPEAKER
Speaker makes sounds and music so can hear them. It is like the voice of computer that talks to us and plays sounds.