Question Detail In stack organization the insertion operation is known as ? PopPushDownUpper Answer: Option B Ad Similar Questions : 1. What is meaning of PCB ? Process control blockPreempitive control blockProcess close blockProcess carrying block Answer: Option A 2. User programs interact with I/O devices through ? Operating SystemHardwareBusesProcessor Answer: Option A 3. An instruction code must specify the address of the ? OperandOpecodeBoth of aboveNone of above Answer: Option A 4. What is full form of LED ? Low Emitting DiodeLight Emitting DiodeLight Emitting DataLight Encounter Diode Answer: Option BExplanation:In optical mouse we use pair of LED. 5. What is full form of LSD ? Less significant dataLess significant digitLeast significant dataLeast significant digit Answer: Option D Read more from - Computer System Architecture Questions Answers