What is a Computer?
A computer is an electronic device that accepts data as input, processes it and brings out information as output.
Basic parts of a computer
Monitor, Keyboard, Mouse, CPU (System Unit), UPS (Uninterrupted Power Supply), USB drive, Speakers, Projector, Printer and scanner.
Classes of Computers
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Types of CPU (Central Processing Unit)
Vertical CPU (Tower Computer)
This type of CPU is in a standing position
Horizontal CPU (Desktop Computer)
This type of CPU is usually in a lying down position. Usually placed on the table and the monitor placed on top
Main Units of the CPU (Central Processing Unit)
Control Unit: It controls other units within the CPU. It is the brain within the CPU.
Arithmetic Logic Unit: It is the part of the CPU that performs arithmetic (mathematical) and comparison operations.
Memory Unit: It is used to store data.