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Imagine you have a magical input device that can take any object
from the real world and put it into your computer. What would you
put in, and what would you want the computer to do with it?
To Sum Up
Most of the machines that we use in our daily life also work according to
the commands given by us.
Computers work on the Input-Process-Output cycle, also known as the
IPO cycle.
Input is giving instructions to the computer in the form of numbers, letters
or symbols.
After receiving the input, the computer performs action on it with the
help of the Central Processing Unit (CPU).
Output is the result that we get after processing.
The computer is not just an ordinary machine. It has many advantages
which makes it so special.
Computers are useful in the teaching and learning process.
The computer is an amazing machine but it also has some disadvantages.
Computer is a human-made machine.
Exercise
Section A (Objective)
A. Tick ( ) the correct option.
1. What principle does a computer work on?
a. Play-Rest-Repeat b. Input-Process-Output
c. Jump-Run-Sleep d. Draw-Colour-Erase
2. What is a computer?
a. A type of food b. A type of animal
c. An electronic machine d. A natural thing
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iPlus (Ver. 2.1)-II

