Page 27 - 2617_JSSPS_C-2
P. 27
Quick Quiz
Tick ( ) the input devices and cross ( ) the other devices.
a. b. c. d.
Recap
A machine works in three steps: Input Process Output. This is also called IPO
cycle.
A computer uses its input devices, processing device and output devices to follow
each stage of the IPO cycle.
An operating system is a system software that works as a mediator between the
user and the computer hardware.
Assess Yourself
Choose the correct option.
1. Which of the following is the input in making pizza?
a. b.
c. d.
2. Which of the following is an output device?
a. b.
c. d.
Working of a Computer 25
