Question Detail Which determines the address of I/O interface ? Register selectChip selectBoth of aboveNone of above Answer: Option C Ad Similar Questions : 1. What is meaning of PCB ? Process control blockPreempitive control blockProcess close blockProcess carrying block Answer: Option A 2. What is full form of LSD ? Less significant dataLess significant digitLeast significant dataLeast significant digit Answer: Option D 3. EA stands for ? Effective addressEffective absoluteEffective addEnd address Answer: Option A 4. What is meaning of DMAC ? Dual memory access controllerDirect memory access controllerDirect memory access computerDirect memory accumulator controller Answer: Option B 5. Which register is memory pointer ? Source indexInstruction registerStack pointerProgram counter Answer: Option D Read more from - Computer System Architecture Questions Answers