A situation where two or more processes are blocked forever, each waiting for a resource held by another. What is this concept called?
Difficulty: Hard
About this MCQ
This Hard Operating Systems question asks: A situation where two or more processes are blocked forever, each waiting for a resource held by another. What is this concept called? The correct choice is A. Deadlock. 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.
Treat the explanation as part of the question, not a footnote. If you missed it, reread the stem against the correct option before you open the next Operating Systems item. A timed quiz is the same pool with a clock and a score. A past paper is a full sitting rather than this single question.
- A. Deadlock ✓
- B. CPU scheduling
Why not B: “CPU scheduling” does not fit this question. The answer is Deadlock.
- C. Paging
Why not C: “Paging” does not fit this question. The answer is Deadlock.
- D. Thread
Why not D: “Thread” does not fit this question. The answer is Deadlock.
Correct answer
A. Deadlock
Explanation
Deadlock (option A) is the accepted answer to “A situation where two or more processes are blocked forever, each waiting for a resource held by another. What is this concept called”. Option B (CPU scheduling) does not fit this question. Option C (Paging) does not fit this question. Option D (Thread) does not fit this question. For this Operating Systems question, the accepted answer is Deadlock.
Source: Operating Systems Official Reference Guide
Tags: computer science, operating systems, OS concepts, process management
Submitted by: MCQsHub Editorial
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