Computer Science for IGCSE & O level - Hardware (Section 30 - No. 17)
What is the role of the Memory Data Register (MDR)?
Stores the address of the memory location being accessed
Holds the data that is being read from or written to memory.
Keeps track of the instruction to be executed.
Controls the timing of memory operations.
Explication
MDR stores the data being read from or written to memory