Computer Sciences > GATE 2024 Set-2 > Operating Systems
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

Correct : a,d

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