THE COMPUTER CPU AND ITS FUNCTIONS
(CPU) means,Central processing unit,it is a principal part of any digital computer system, generally composed of the main memory, control unit, and arithmetic-logic unit. It constitutes the physical heart of the entire computer system; to it is linked various peripheral equipment, including input/output devices and auxilliary storage units. In modern computers, the CPU is contained on an integrated circuit chip called a microprocessor. The control unit of the central processing…