Computer are mainly classified based on the
different size and shapes
Component of a computer
1. INPUT AND OUTPUT UNIT
Input output device are required for user to
communicate with the computer the input device bring data into the computer
system and output device bring that are out from the computer system.
These input output device are also known as a
referral device like keyboard, mouse, printer etc
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| INPUT DEVICE |
2. C.P.U CENTRAL PROCESSING UNIT
The central Processing
Unit is the part of computer system that carries out the instructions of a
computer program and perform the basic arithmetic and logical and input output
operation of the system.
CPU is also known as the brain of computer.
4. Arithmetic and Logic Unit
In computing, an arithmetic logic unit is a Digital
circuit that performs automatic and logical operation the A.L.U. is a
fundamental building block of the central Processing Unit of a computer.
5. control unit
Control unit coordinates the input and output device of a computer system. It fetches The instruction which are given in the form of micro program it Direct Operation of the Other unit by providing time and control signals in
general of control unit is a central part of the machinery and control its
operation and entire processing.
6. memory unit
This unit is responsible to store program or
data on a temporary or permanent basis it has primary memory and secondary
memory the input data which is to be processed it brought into the main memory
before the processing.
That needed instruction of processing and any
kind of intermediate results are also stored in a primary memory.
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| RAM |
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