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computer science operating systems concepts
1. The Memory Address Register
(A): 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".
(B): contains the address of the memory location that is to be read from or stored into.
(C): is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory.
(D): is a hardware memory device which denotes the location of the current instruction being executed.
(E): None of the above
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