Which of the following is a characteristic of magnetic tape storage? MCQ with Answer and Explanation

Which of the following is a characteristic of magnetic tape storage?
A. Very fast data transfer
B. Fast random access
C. Sequential access only
D. Used for primary memory
Answer: Option C
Solution (By JKSSB Mock Tests)
Magnetic tape is a sequential access medium, meaning data must be read in order. It is used for backup and archival due to high capacity and low cost.

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Practice More Memory and Storage Devices Questions

Question #1
Which architectural feature prevents a user from accidentally installing a DDR4 RAM module into a DDR5 motherboard slot?
A. Color-coded connector pins
B. A physically offset structural alignment notch
C. An automatic software warning beep
D. Magnetic resistance shields

Correct Answer: Option B


Explanation:
Each generation of DDR memory features a physical alignment notch carved into a unique position along the pin edge to prevent incompatible physical installation.

This question belongs to: Computer Memory and Storage Devices
Question #2
What is the typical access time of a modern SSD?
A. About 50 ms
B. Less than 0.1 ms
C. About 5 ms
D. About 10 ms

Correct Answer: Option B


Explanation:
SSDs have access times in the microseconds range, typically less than 0.1 ms (100 microseconds). HDDs have access times around 5-10 ms.

This question belongs to: Computer Memory and Storage Devices
Question #3
What is the function of a cache memory?
A. To provide backup storage
B. To permanently store data
C. To store the operating system
D. To hold frequently accessed data for quick access

Correct Answer: Option D


Explanation:
Cache memory is a small, fast memory located close to the CPU that stores copies of frequently accessed data from main memory to reduce average access time.

This question belongs to: Computer Memory and Storage Devices