Which memory management technique allows a computer to use hard disk space as additional RAM? MCQ with Answer and Explanation

Which memory management technique allows a computer to use hard disk space as additional RAM?
A. Cache memory
B. Paging
C. Segmentation
D. Virtual memory
Answer: Option D
Solution (By JKSSB Mock Tests)
Virtual memory is a memory management technique that uses a portion of the hard disk or SSD as an extension of RAM, allowing the system to run larger applications or multiple programs simultaneously.

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Practice More Memory and Storage Devices Questions

Question #1
A standard double-layer DVD can store approximately how much data?
A. 4.7 GB
B. 25 GB
C. 700 MB
D. 8.5 GB

Correct Answer: Option D


Explanation:
A standard single-layer DVD stores 4.7 GB, while a dual-layer or double-layer DVD can store up to 8.5 GB of data.

This question belongs to: Computer Memory and Storage Devices
Question #2
What is the maximum theoretical data rate of USB 3.0?
A. 10 Gbps
B. 5 Gbps
C. 480 Mbps
D. 20 Gbps

Correct Answer: Option B


Explanation:
USB 3.0 (SuperSpeed) has a maximum theoretical data rate of 5 Gbps. USB 2.0 is 480 Mbps, USB 3.1 is 10 Gbps, and USB 3.2 can be 20 Gbps.

This question belongs to: Computer Memory and Storage Devices
Question #3
What is the typical data rate of a 1x DVD drive?
A. 1.32 MB/s
B. 4.5 MB/s
C. 11.08 MB/s
D. 36 MB/s

Correct Answer: Option A


Explanation:
1x DVD has a data transfer rate of 11.08 Mbit/s = 1.32 MB/s. Blu-ray 1x is 36 Mbit/s = 4.5 MB/s. CD 1x is 150 KB/s.

This question belongs to: Computer Memory and Storage Devices