What term describes the following? a synchronization object that allows only one thread to access a resource at a time.
Difficulty: Hard
About this MCQ
This Hard Operating Systems question asks: What term describes the following? a synchronization object that allows only one thread to access a resource at a time. The correct choice is B. Mutex. 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. Memory fragmentation
Why not A: “Memory fragmentation” does not fit this question. The answer is Mutex.
- B. Mutex ✓
- C. Zombie process
Why not C: “Zombie process” does not fit this question. The answer is Mutex.
- D. Real-time operating system (RTOS)
Why not D: “Real-time operating system (RTOS)” does not fit this question. The answer is Mutex.
Correct answer
B. Mutex
Explanation
Mutex (option B) is the accepted answer to “What term describes the following? a synchronization object that allows only one thread to access a resource at a time.”. Option A (Memory fragmentation) does not fit this question. Option C (Zombie process) does not fit this question. Option D (Real-time operating system (RTOS)) does not fit this question. For this Operating Systems question, the accepted answer is Mutex.
Source: Operating Systems Official Reference Guide
Tags: computer science, operating systems, OS concepts, process management
Submitted by: MCQsHub Editorial
Related MCQs
- The concept in which a user interface that allows users to interact with the operating system by issuing comma...
- Select the correct name for: a memory management technique that divides memory into variable-sized segments ba...
- Which statement correctly explains Memory segmentation?
- Which concept is defined as follows: a CPU scheduling algorithm that assigns a fixed time slice to each proces...
- What is Round robin scheduling primarily used for?
- The following statement describes a specific concept. What is it called? a situation in which a process is per...