Which of the following is a type of memory that is used in networking devices? MCQ with Answer and Explanation

Question
Which of the following is a type of memory that is used in networking devices?
A. SRAM
B. Flash
C. All of the above
D. DRAM
Answer: Option C
Solution (By JKSSB Mock Tests)
Networking devices use various memory types: DRAM for packet buffers, SRAM for routing tables, and Flash for firmware storage.
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 storage capacity of a Blu-ray disc in GB?
A. 700 MB
B. 25 GB (single layer)
C. 128 GB
D. 4.7 GB
Discuss
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Correct Answer: Option B

Explanation:
Single-layer Blu-ray holds 25 GB. Dual-layer 50 GB, triple 100 GB, quad 128 GB. The most common is 25 GB.
This question belongs to: Computer Memory and Storage Devices
Question #2
What is the function of the spindle motor in a hard disk?
A. To control the read/write head
B. To move the actuator arm
C. To hold the disk in place
D. To rotate the platters
Discuss
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Correct Answer: Option D

Explanation:
The spindle motor rotates the platters at a constant speed (e.g., 5400 or 7200 RPM), allowing the read/write heads to access data on the rotating surface.
This question belongs to: Computer Memory and Storage Devices
Question #3
What is the purpose of a memory shadow?
A. To copy ROM contents to RAM for faster access
B. To encrypt memory contents
C. To create a backup of memory
D. To reduce memory usage
Discuss
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Correct Answer: Option A

Explanation:
Memory shadowing copies BIOS or other ROM contents to faster RAM to improve access speed, since RAM is faster than ROM.
This question belongs to: Computer Memory and Storage Devices
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