Computer Science for IGCSE & O level - Hardware (Section 18 - No. 14)
What is the role of the Memory Data Register (MDR)?
To hold the address of the memory location.
To store data being read from or written to memory.
To store the instruction to be executed.
To control the timing of memory access.
הֶסבֵּר
MDR holds the data being read from or written to memory.