Which term refers to a signal that pauses the CPU's current activity so it can handle an urgent event immediately?
Difficulty: Medium
About this MCQ
This Medium Operating Systems question asks: Which term refers to a signal that pauses the CPU's current activity so it can handle an urgent event immediately? The correct choice is B. Interrupt. Read the options below, commit to one, then use the explanation to see why that choice holds and why the others do not.
Operating Systems items like this one are written for Pakistan exams such as CSS, FPSC, PPSC, and NTS. The difficulty label is a hint about how much of the topic the stem assumes, not a score. Tags and exam names, when they are present, tell you where else the same idea is tested. Previous and next links stay in Operating Systems so you can continue the subject. Related questions point at nearby stems if you want another angle on the same idea.
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- A. File system
Why not A: “File system” does not fit this question. The answer is Interrupt.
- B. Interrupt ✓
- C. Deadlock
Why not C: “Deadlock” does not fit this question. The answer is Interrupt.
- D. Context switching
Why not D: “Context switching” does not fit this question. The answer is Interrupt.
Correct answer
B. Interrupt
Explanation
Interrupt is the term that matches “Which term refers to a signal that pauses the CPU's current activity so it can handle an urgent event immediately” (option B). Option A (File system) does not fit this question. Option C (Deadlock) does not fit this question. Option D (Context switching) does not fit this question. For this Operating Systems question, the accepted answer is Interrupt.
Source: Operating Systems Official Reference Guide
Tags: computer science, operating systems, OS concepts, process management
Submitted by: MCQsHub Editorial
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