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What does MAR stand for?

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What does MAR stand for?

(a) Main Address Register

(b) Memory Access Register

(c) Main Accessible Register

(d) Memory Address Register

I had been asked this question in an online quiz.

My doubt stems from The Control Unit in section Basic Computer Organisation of Computer Fundamentals

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The correct option is (d) Memory Address Register

To elaborate: MAR is a type of register which is responsible for the fetch operation. MAR is connected to the address bus and it specifies the address for the read and write operations.

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