Central Processing Unit (CPU) – Input and Output Modules
The “brain” of the system which has three sub-parts. Central Processing Unit (CPU) (i) Microprocessor: Microprocessor caries out mathematic and logical operations. (ii) Memory: The area of the CPU in which data and information is stored and retrieved. It holds the system software and user program. (iii) Power supply: The electrical supply that converts Alternating
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