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Operating System MCQ Test Online

Allows execution of privileged instructions

What does kernel mode allow in an operating system?

What does the fork() system call do in Linux?

What is the goal of solving the critical section problem?

What is the primary role of a page table?

Round Robin scheduling is best suited for which type of system?

Which of the following best describes the difference between a thread and a process?

Two processes access shared data concurrently

What causes a race condition in a system?

What is a major drawback of First Come First Serve scheduling?

What does SSTF stand for in disk scheduling?

What causes thrashing in an operating system?

Mutual exclusion, hold and wait, no preemption, circular wait

Which of the following is required for a deadlock to occur?

Why is the optimal page replacement algorithm not feasible in practice?

What is one main advantage of paging in memory management?

Which synchronization mechanism is typically used to solve the producer-consumer problem?