To fetch data from secondary memory which one of the following register is used
To read data from memory (or from secondary storage through memory), the CPU first puts the address of the location in the Memory Address Register (MAR). The data then arrives in the MBR/MDR.
The register that identifies which location to fetch is the MAR.
Answer: (A) MAR
Reinforce your conceptual grasp with related questions from MAH MCA CET 2021:
Take timed full-length mock tests with authentic question distributions, negative marking (+12/-3 in Math), and instant All India Rank calculation.
Start Free Mock Test Series →