Question Detail What is meaning of PCB ? Process control blockPreempitive control blockProcess close blockProcess carrying block Answer: Option A Ad Similar Questions : 1. What is meaning of "VAD" ? Velocity AddressViscous AddressVector AddressVolatile Address Answer: Option C 2. Which system has a base or radix of 10 ? Binary OctalHexadecimalDecimal Answer: Option D 3. In which of the following status flags required for data transfer are present ? Interface CircuitParallel LineDevice CircuitNone of Above Answer: Option A 4. In which condition only one process holds a resource at a given time ? Circular queueHold and WaitMutual exclusionNon preemption Answer: Option C 5. An instruction code must specify the address of the ? OperandOpecodeBoth of aboveNone of above Answer: Option A Read more from - Computer System Architecture Questions Answers