Page 10 - TP_iPlus_V2.1_Class3
P. 10
1
A Computer System
1
Learning Outcomes
Computer System Computer Hardware
IPO Cycle Computer Software
Types of Computers
i + COMPUTER SYSTEM
A computer system is made up of many parts. Each part of the computer performs a
different task. The computer system is made up of two types of parts—Hardware and
Software. The parts of a computer that we use to work with the computer are called
devices.
i + COMPUTER HARDWARE
The parts of a computer that we can see and touch are called Hardware. All input,
processing, output and storage devices form the hardware components of a computer
system. For example, keyboard, mouse, etc.
The hardware components are divided into four groups.
Hardware
Processing
Input Devices Output Devices Storage Devices
Device
Input Devices
The devices that are used to enter data into the computer and give orders are called
input devices. Let us study about some of the commonly used input devices.
7
A Computer System

