What does the term 'M.2' refer to in storage devices? MCQ with Answer and Explanation

Question
What does the term 'M.2' refer to in storage devices?
A. A connector for hard disks
B. A type of RAM
C. A file system
D. A form factor for SSDs
Answer: Option D
Solution (By JKSSB Mock Tests)
M.2 is a form factor for internal expansion cards, commonly used for SSDs, offering compact size and support for NVMe or SATA interfaces.
This question belongs to: Computer Memory and Storage Devices
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Practice More Memory and Storage Devices Questions

Question #1
What is the typical speed of a Blu-ray drive at 6x?
A. 216 MB/s
B. 72 MB/s
C. 33 MB/s
D. 27 MB/s
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Correct Answer: Option D

Explanation:
1x Blu-ray = 4.5 MB/s (36 Mbps). 6x = 6 * 4.5 = 27 MB/s.
This question belongs to: Computer Memory and Storage Devices
Question #2
Which memory management technique allows a computer to use hard disk space as additional RAM?
A. Virtual memory
B. Cache memory
C. Segmentation
D. Paging
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Correct Answer: Option A

Explanation:
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.
This question belongs to: Computer Memory and Storage Devices
Question #3
What is the typical data transfer rate of a USB 3.0 flash drive?
A. 5 Gbps (theoretical)
B. 1 Gbps
C. 10 Gbps
D. 480 Mbps
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Correct Answer: Option A

Explanation:
USB 3.0 has a theoretical maximum data rate of 5 Gbps. Actual throughput is lower, but it's significantly faster than USB 2.0 (480 Mbps).
This question belongs to: Computer Memory and Storage Devices
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