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Question: research and understand the basic components of a central processor...

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Research and understand the basic components of a Central Processor Unit (CPU) of a modern digital computer; namely, the Control Unit (CU), Arithmetic Logic Unit (ALU), and special and general purpose registers. After conducting this research, answer the following questions:

• Describe the functions that each of these components perform and how they interact with each other at a high-level?

• Give an example using the following Assembly language instruction: ADD R3, R2, R1 (Hint: What task/action does the CU, ALU and Registers perform to execute this instruction?)

• What is the difference between main memory and registers? (Hint: Examine their construction and purpose.)

• Why are their special purpose registers and general-purpose registers? Is it better to have a few or many general-purpose registers? Explain your answer.

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