What happens during a computer memory 'Page Fault' scenario? MCQ with Answer and Explanation

What happens during a computer memory 'Page Fault' scenario?
A. The physical memory chip catches fire due to over-voltage.
B. The system architecture detects an invalid alphanumeric input string.
C. A sector on the hard disk drive undergoes permanent mechanical erosion.
D. The CPU requests a data block from logical memory that is not currently loaded into physical RAM.
Answer: Option D
Solution (By JKSSB Mock Tests)
A page fault occurs when a running program attempts to access a memory page mapped into its virtual address space, but that page is not presently resident in physical RAM.

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Practice More Memory and Storage Devices Questions

Question #1
Which of the following is a type of memory that is used for storing data in a gaming console?
A. GDDR
B. DDR4
C. All of the above
D. SDRAM

Correct Answer: Option A


Explanation:
Gaming consoles often use GDDR (Graphics DDR) for high bandwidth memory, though they may also use other types. GDDR is specific to graphics.

This question belongs to: Computer Memory and Storage Devices
Question #2
What type of data bus interface layout transfers all bits of a single data word concurrently across multiple parallel trace lines on a motherboard?
A. Asynchronous Channel
B. Serial Interface
C. Isochronous Bus
D. Parallel Interface

Correct Answer: Option D


Explanation:
Parallel interfaces use multiple distinct physical lines to send a collection of data bits (like an entire byte or word) at the exact same instant.

This question belongs to: Computer Memory and Storage Devices
Question #3
What type of storage is a computer's main memory (RAM) categorized as?
A. Primary Non-volatile Storage
B. Secondary Volatile Storage
C. Tertiary Non-volatile Storage
D. Primary Volatile Storage

Correct Answer: Option D


Explanation:
RAM is directly accessible by the CPU (making it primary memory) and requires power to maintain data (making it volatile).

This question belongs to: Computer Memory and Storage Devices