Which register holds the contents of data or instruction read from, or written in memory?
Correct answer: A. Memory Buffer Register
- A. Memory Buffer Register
- B. Instruction Register
- C. Address Register
- D. Accumulator Register
Explanation
The correct answer is A) Memory Buffer Register (MBR).This register holds the actual data or instruction that is being read from or written to memory. It acts as a temporary holding area for data being transferred between the CPU and memory.
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