The instructions or data fetched from the memory, is stored in the ____ to…

When the CPU fetches data or instructions from memory, it uses specific registers to hold this information temporarily. The Memory Data Register (MDR) stores the actual data or instruction fetched from memory. This stored data is then passed to the control unit for decoding and execution. Other registers like MAR (Memory Address Register) hold the address of the memory location, PC (Program Counter) keeps track of the next instruction address, and ROM is a non-volatile memory used for permanent storage. Therefore, the register that holds the fetched data or instruction for decoding and execution is the MDR.