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CPU (Central Processing Unit): After taking input from input devices, CPU of
computer process the input and produces output. It is like brain of the computer
and controls all other parts too.

Central Processing Unit

Arithmetic Logic Unit
Input Devices Output Devices
Control Unit

Memory Unit

Fig. 2.1 Components of Computer

Output Device: These components display the result produced by CPU to the user
like printer, monitor etc.
Memory Unit: This component is used to store the data.

2.2 HARDWARE AND SOFTWARE
Hardware: Hardware is a term used for all the devices used in or with your computer

like monitor, keyboard, mouse etc. The parts you can touch.

Fig.2.2 Hardware

24 KVS DELHI REGION 2025