Computer Science · Computer Architecture
Which of the following statements correctly describes the function of the Memory Buffer Register (MBR)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It is a hardware memory device that denotes the location of the current instruction being executed.
- 2It is a group of electrical circuits that performs the intent of instructions fetched from memory.
- 3It contains the address of the memory location that is to be read from or stored into.
- 4It 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'.✓
Correct answer
It 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'.
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