Page 33 - TP_Prime_V2.2_Class_2
P. 33
Let's Revisit
a computer works in three steps: Input Process Output. This is also
called IPO cycle.
The devices that are used to enter data into the computer are known as
input devices. The most commonly used input devices are keyboard and
mouse.
The device that works on the input is called the processing device. cPu WOrkIng Of a cOMPuTer
is the main processing device.
The devices that help us to get the results are called output devices. The
most commonly used output devices are monitor, printer, headphones and
speakers.
31
Mind Drill
Rapid Fire
1. Tick ( ) the correct option.
a. Which of the following is the brain of the computer?
i. ii. iii.
b. Which of the following is not an output device?
i. ii. iii.
c. Which of the following is not an input device?
i. ii. iii.

