Block Diagram of Computer System :: The Computer system consists of mainly three types that are central processing unit (CPU),Input Devices, and Output Devices .The Central processing unit (CPU) again consists of ALU (Arithmetic Logic Unit) and Control Unit. The set of instruction is presented to the computer in the form of raw data which is entered through input devices such as keyboard or mouse.

Later this set of instruction is processed with the help of CPU, and the computer system Produce an Output with the help of Output Devices mainly Printers and monitors. Large amount of data is stored in the computer memory with the help of primary and secondary storage devices temporarily and permanently.This are called as storage devices

The CPU is the heart | Brian of a computer because without the necessary action taken by the CPU the user cannot get the desired output. The central Processing unit [CPU] is responsible for processing all the Instruction which is given to computer system or PC. Below Block Diagram of Computer and Its Components are mentioned For Better Understanding

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