Computer Science for IGCSE & O level - Hardware (Section 18 - No. 34)
What is the function of the Memory Address Register (MAR)?
To store the data that needs to be written to or read from memory.
To hold the address of the memory location being accessed.
To store the instructions being executed by the CPU.
To control the timing of memory operations.
解释
The MAR holds the address of the memory location that is currently being accessed.