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GATE | CSE 2024 | Set 2 | Question 31

Consider a process P running on a CPU. Which one or more of the following events will always trigger a context switch by the OS that results in process P moving to a non-running state (e.g., ready, blocked)?

(A)

P makes a blocking system call to read a block of data from the disk

(B)

P tries to access a page that is in the swap space, triggering a page fault

(C)

An interrupt is raised by the disk to deliver data requested by some other process

(D)

A timer interrupt is raised by the hardware

Answer

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