Multiple choice Which of the following is the role of Memory Data Register (MDR)? It is used to store the memory address from which data will be fetched to the CPU. It is used to store the memory address to which the data will sent and stored. It is used to hold the memory data for the data bus. It is used to store the data in main memory. None of the above Reveal answer Fill a bubble to check yourself C Correct answer Explanation This is true about Memory Data Register.