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 CENTRAL PROCESSING UNIT (CPU) CPU sometimes referred to simply as the Central Processor, but more commonly called Processor, the CPU is the brains of the computer where most calculations take place. The Central Processing Unit (CPU) of a computer is a piece of hardware that carries out the instructions of a computer program. It performs the basic arithmetic, logical, and input/output operations of a computer system. The CPU is like the brains of the computer – every instruction, no matter how simple, has to go through the CPU. The CPU is responsible for all the processing that computer does. It consists of the (i) Main memory (ii) the Arithmetic and logic unit (ALU) and (iii) control unit (CU).   (i) Main Memory: This can be liked to a reserviour that can hold large quantity of any substance. It is used to store data, information and instructions for processing. It is… Read More »CENTRAL PROCESSING UNIT (CPU)

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