What is the function of a memory mapper? MCQ with Answer and Explanation

What is the function of a memory mapper?
A. To manage cache
B. To map memory addresses to physical locations
C. To increase memory speed
D. To control memory refresh
Answer: Option B
Solution (By JKSSB Mock Tests)
A memory mapper (like MMU) translates logical addresses to physical addresses, or maps memory regions in systems with limited address space.

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Practice More Memory and Storage Devices Questions

Question #1
What is the function of a memory queue?
A. To allocate memory
B. To store data permanently
C. To manage cache hits
D. To hold pending memory requests

Correct Answer: Option D


Explanation:
A memory queue buffers pending memory requests, allowing the memory controller to schedule them efficiently.

This question belongs to: Computer Memory and Storage Devices
Question #2
What storage unit is equivalent to $1024^{6}$ bytes ($2^{60}$ bytes) in computer data storage scaling scales?
A. 1 Zettabyte
B. 1 Petabyte
C. 1 Exabyte
D. 1 Yottabyte

Correct Answer: Option C


Explanation:
The scaling path for binary exponents places $2^{10}$ as KB, $2^{20}$ as MB, $2^{30}$ as GB, $2^{40}$ as TB, $2^{50}$ as PB, and $2^{60}$ bytes as 1 Exabyte (EB).

This question belongs to: Computer Memory and Storage Devices
Question #3
Which of the following is a disadvantage of an SSD compared to an HDD?
A. Higher cost per GB
B. Higher power consumption
C. Slower random access
D. Noisier operation

Correct Answer: Option A


Explanation:
SSDs are more expensive per gigabyte than HDDs, though prices have been decreasing. They are quieter, use less power, and have faster random access.

This question belongs to: Computer Memory and Storage Devices