What happens during a page fault in virtual memory management? MCQ with Answer and Explanation

What happens during a page fault in virtual memory management?
A. The system runs out of network bandwidth.
B. The hard disk sector becomes permanently corrupted.
C. The processor attempts to access a page of memory that is not currently loaded in the physical RAM.
D. The computer experiences a fatal hardware crash.
Answer: Option C
Solution (By JKSSB Mock Tests)
A page fault is an interrupt raised by hardware when a program tries to access a memory page mapped in virtual space but not loaded into the physical RAM.

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Operating Systems Questions

Question #1
Which of the following commands in Linux can be used to view the list of files and folders inside the current directory?
A. show
B. dir/w
C. cd
D. ls

Correct Answer: Option D


Explanation:
The 'ls' command is the standard utility used to list files, folders, and attributes in Unix-like terminal configurations.

This question belongs to: Computer Operating Systems
Question #2
Which of the following is a type of operating system that provides a consistent view of multiple computers to users?
A. Multiprocessing OS
B. Network OS
C. Real-time OS
D. Distributed OS

Correct Answer: Option D


Explanation:
Distributed OS presents a cluster of computers as a single system, hiding the underlying network.

This question belongs to: Computer Operating Systems
Question #3
What is the purpose of the Android 'KeyguardManager'?
A. To manage biometric authentication
B. To handle screen locking
C. To manage device passwords
D. To manage the lock screen and keyguard state

Correct Answer: Option D


Explanation:
KeyguardManager controls the lock screen (keyguard) and allows apps to disable the keyguard temporarily.

This question belongs to: Computer Operating Systems