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Previous Year Question (PYQs)



Which of the following scheduler/schedulers is/are also called CPU scheduler? 
(A). Short Term Scheduler 
(B). Long Term Scheduler 
(C). Medium Term Scheduler 
(D). Asymmetric Scheduler 

Choose the correct answer from the options given below: 

1. (A), (B) and (D) only 
2. (A), (B) and (C) only 
3. (A), (B), (C) and (D) 
4. (A) only





Solution

Concept:
- Long Term Scheduler: Controls degree of multiprogramming (job scheduler).
- Medium Term Scheduler: Suspends/resumes processes (swapping).
- Short Term Scheduler: Selects process from ready queue and allocates CPU.
- The CPU Scheduler is another name for the Short Term Scheduler.

Hence: Only (A) is correct.


Correct Answer: Short Term Scheduler

Answer: Option 4



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