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How does the processor work?
Asked by Bhavya Suryansh Last Modified
Answer 
Rahul
Certified for Assistant Professor with 10 months of experience in IT Industry.
The processor also called a central processing unit (CPU).
There are mainly three components of CPU :
The main work of the processor is to process the instruction given to it and produce the final result as output.
All CPUs have an instruction set containing the list of actions that the processor performs, such as adding two numbers, and on these instructions, ALU performs calculations and comparisons. Control unit coordinates among processors other components; the control unit does all the fetching work from memory. E.g. the control unit could direct ALU to perform an addition operation and multiply it with the third number. However, CPUs have a limited amount of high-speed memory called REGISTERS upon which ALU acts directly rather than having a control unit to fetch instructions from the main memory.
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