write the steps machine required to perform their function
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In computers, the main parts that are required are input and output, control unit and the memory unit. The control unit is considered as main part of Central processing unit of the computer.
A CPU is the central processing unit that is responsible to retrieve and execute instructions and also called processor. It has three main sub parts. control unit, ALU and memory. The control unit handles the instructions that need to be fetched and handed over to ALU (arithmetic and logic unit). ALU processes the instructions and then handed back to control unit. And the memory comes in to store the information for a certain time
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