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Study Stuff for MCA Examinations - NIMCET
Study Stuff for MCA Examinations - NIMCET
Previous Year Question (PYQs)
Once a process is executing on the CPU, which events could not occur?
A. Issues an I/O request and then placed in the Ready queue
B. Creates subprocesses and waits for them
C. Time slice expires and it joins the Waiting queue
D. Forcibly removed and put in Waiting queue due to an interrupt
Solution
A: I/O request → goes to Waiting/Blocked, not Ready.
C: Time slice expiry → goes to Ready, not Waiting.
D: Interrupt causes preemption to Ready, not Waiting.
B is possible (process can wait for children).
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