What is the relationship between access speed and storage capacity across the standard computer memory hierarchy? MCQ with Answer and Explanation

What is the relationship between access speed and storage capacity across the standard computer memory hierarchy?
A. Lower capacity devices always exhibit the slowest access times.
B. Access speed and capacity are completely identical metrics across all levels.
C. Devices with larger capacities always feature the fastest access speeds.
D. As storage capacity increases, the relative access speed generally decreases.
Answer: Option D
Solution (By JKSSB Mock Tests)
In the memory hierarchy, the fastest options (registers, cache) are small and expensive, while large capacity options (HDDs, SSDs) are farther from the CPU and have slower access speeds.

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Practice More Memory and Storage Devices Questions

Question #1
What is the function of 'Wear Leveling' algorithms implemented inside Solid State Drives?
A. To equalize the weight distribution of the internal electronic boards.
B. To distribute write operations evenly across flash blocks to prevent premature cell failure.
C. To accelerate the rotational velocity of the external data interfaces.
D. To delete old software files automatically when space drops below ten percent.

Correct Answer: Option B


Explanation:
Because flash memory blocks endure a finite number of write cycles, wear leveling algorithms distribute writes evenly across the physical medium to extend the drive's operational lifespan.

This question belongs to: Computer Memory and Storage Devices
Question #2
Which of the following is a type of optical disc that is recordable once?
A. CD-RW
B. DVD-RAM
C. CD-R
D. CD-ROM

Correct Answer: Option C


Explanation:
CD-R (Recordable) can be written once and read many times. CD-RW is rewritable, and CD-ROM is read-only. DVD-RAM is a rewritable optical disc.

This question belongs to: Computer Memory and Storage Devices
Question #3
What is the typical speed of a Blu-ray drive at 2x?
A. 9 MB/s
B. 4.5 MB/s
C. 18 MB/s
D. 36 MB/s

Correct Answer: Option A


Explanation:
1x Blu-ray = 4.5 MB/s, so 2x = 9 MB/s.

This question belongs to: Computer Memory and Storage Devices