This is the questions and answers section on "Opearting Systems CPU Scheduling" with explanation for various interview, competitive examination and entrance test. Solved examples with detailed answer description, explanation are given and it would be easy to understand.
1. Which module gives control of the CPU to the process selected by the short-term scheduler?
- A. dispatcher
- B. interrupt
- C. scheduler
- D. none of the mentioned
Answer: Option A
Explanation:
None.
2. The processes that are residing in main memory and are ready and waiting to execute are kept on a list called:
- A. job queue
- B. ready queue
- C. execution queue
- D. process queue
Answer: Option B
Explanation:
None.
3. The interval from the time of submission of a process to the time of completion is termed as:
- A. waiting time
- B. turnaround time
- C. response time
- D. throughput
Answer: Option B
Explanation:
None.
4. Which scheduling algorithm allocates the CPU first to the process that requests the CPU first?
- A. first-come, first-served scheduling
- B. shortest job scheduling
- C. priority scheduling
- D. none of the mentioned
Answer: Option A
Explanation:
None.
5. In priority scheduling algorithm:
- A. CPU is allocated to the process with highest priority
- B. CPU is allocated to the process with lowest priority
- C. equal priority processes can not be scheduled
- D. none of the mentioned
Answer: Option A
Explanation:
None.
