Which of the following is an advantage of optical storage over magnetic storage? MCQ with Answer and Explanation

Which of the following is an advantage of optical storage over magnetic storage?
A. Higher capacity
B. Lower cost per GB
C. More durable (resistant to magnetic fields)
D. Faster read/write speeds
Answer: Option C
Solution (By JKSSB Mock Tests)
Optical discs are immune to magnetic fields and are relatively durable under normal handling, while magnetic disks can be damaged by strong magnetic fields. However, optical is slower and lower capacity.

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Memory and Storage Devices Questions

Question #1
What is the term used to describe the organization of matching tracks across all physical platter surfaces in a multi-platter hard disk drive?
A. Sector Array
B. Cylinder
C. Cluster
D. Block Group

Correct Answer: Option B


Explanation:
A cylinder consists of the exact same track number intercepted vertically across all available platter surfaces in a hard disk drive assembly.

This question belongs to: Computer Memory and Storage Devices
Question #2
What is the role of a memory controller in a system with multiple memory channels?
A. To distribute memory accesses across channels for increased bandwidth
B. To select which channel to use for each access
C. To combine memory modules into one larger pool
D. All of the above

Correct Answer: Option D


Explanation:
A memory controller with multiple channels can distribute traffic to increase bandwidth, combine capacities, and select channels based on addressing.

This question belongs to: Computer Memory and Storage Devices
Question #3
What is the typical speed of a DVD drive at 4x?
A. 6.0 MB/s
B. 8.8 MB/s
C. 5.28 MB/s
D. 4.0 MB/s

Correct Answer: Option C


Explanation:
1x DVD = 1.32 MB/s, so 4x = 5.28 MB/s.

This question belongs to: Computer Memory and Storage Devices