Operating Systems MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation
Enhance your understanding of Operating Systems with our extensive collection of basic computer MCQs and computer science MCQs. Our platform offers a variety of computer MCQ online tests designed to improve your knowledge of operating systems. Engage with our computer MCQ test online resources, which feature well-crafted questions and detailed answers to help you master Operating Systems. We are recognized as the best MCQs portal in the world, providing top-quality resources for learning about Operating Systems.
If you’re looking for the best MCQs site for computer MCQs related to Operating Systems, you’ve come to the right place. Our site features a comprehensive selection of computer MCQs tailored to cover key aspects of operating systems. With our computer MCQ online test options, you’ll access high-quality practice materials that will help you excel in understanding and working with Operating Systems. Discover why we are the best MCQs site for computer MCQs and the best MCQs portal in the world for mastering Operating Systems.
What is the role of the ‘page replacement algorithm’ in a virtual memory system?
A. To decide which memory pages should be swapped out when a page fault occurs
B. To allocate physical memory to processes
C. To manage I/O device interactions
D. To convert virtual addresses into physical addresses
Answer: To decide which memory pages should be swapped out when a page fault occurs
Which of the following methods can be used to avoid deadlock in a system?
A. Using a resource allocation graph
B. Allocating more CPU cycles to each process
C. Using non-preemptive scheduling algorithms
D. Increasing the size of virtual memory
Answer: Using a resource allocation graph
In a memory management system, what is the role of the ‘frame’?
A. It is a fixed-size block of physical memory
B. It is used to swap pages between memory and disk
C. It is a part of the CPU responsible for managing memory
D. It holds virtual memory addresses
Answer: It is a fixed-size block of physical memory
What is the main disadvantage of using the ‘First Come, First Served’ (FCFS) scheduling algorithm?
A. It causes the 'convoy effect', slowing down short jobs
B. It requires a complex algorithm to implement
C. It is only suitable for real-time systems
D. It increases system overhead
Answer: It causes the 'convoy effect', slowing down short jobs
Which of the following is an advantage of using a multiprocessor system?
A. Increased reliability
B. Faster context switching
C. Simplified process management
D. Reduced memory usage
Answer: Increased reliability
What does ‘CPU-bound’ process mean?
A. A process that spends more time doing computations than I/O operations
B. A process that requires constant access to the CPU
C. A process that spends more time waiting for I/O than executing
D. A process that consumes a lot of memory
Answer: A process that spends more time doing computations than I/O operations
In a system using virtual memory, what is the purpose of the page table?
A. To map virtual addresses to physical addresses
B. To track the state of processes
C. To allocate memory dynamically
D. To manage I/O devices
Answer: To map virtual addresses to physical addresses
Which of the following is not a characteristic of a real-time operating system?
A. Predictability
B. High throughput
C. Time constraints
D. Deterministic behavior
Answer: High throughput
Which of the following techniques is used for handling deadlocks?
A. Banker’s algorithm
B. Segmentation
C. Thrashing
D. Paging
Answer: Banker’s algorithm