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During the execution of a program which gets initialized first?

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During the execution of a program which gets initialized first?

(a) MDR

(b) IR

(c) PC

(d) MAR

I had been asked this question during an interview for a job.

Asked question is from Basic Operational Concept in portion Basic Structures of Computers of Computer Architecture

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Correct choice is (c) PC

To elaborate: For the execution of a process first the instruction is placed in the PC.

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