The elements of computer

Main Memory: Main memory work as a paper.Which corresponds in the  manual calculation.It’s work is to store instruction and data.

CPU:Central Processing Unit.It acts a brain of the computer.

PCU:Program Control Unit is a part of CPU.It fetch instructions from memory and interpret them.It also known as Instruction unit.

ALU:It’s also a part of CPU .Known as arithmetic logic unit.It’s work is to CPU’s data execution or data processing and carries out the instruction.

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Author: zakilive

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