ISRO | ISRO CS 2008 | Question 52
The Memory Address Register
(A) is a hardware memory device which denotes the location of the current instruction being executed.
(B) is a group of electrical circuit, that performs the intent of instructions fetched from memory
(C) contains the address of the memory location that is to be read from or stored into
(D) contains a copy of the designated memory location specified by the MAR after a “read” or the new contents of the memory prior to a “write”
Explanation: In a computer, the Memory Address Register (MAR) is the CPU register that either stores the memory address from which data will be fetched from the CPU, or the address to which data will be sent and stored.
Option (C) is correct.
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