What is the primary function of the 'Write Protect' switch on an SD card or old floppy disk? MCQ with Answer and Explanation

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What is the primary function of the 'Write Protect' switch on an SD card or old floppy disk?

A. To accelerate data access speed

B. To prevent accidental deletion or modification of data

C. To allow remote file sharing

D. To encrypt stored files

Answer: Option B

Solution (By JKSSB Mock Tests)

The write-protect option physically or digitally locks the media to prevent any modification, deletion, or addition of new file content.

This question belongs to: Computer Memory and Storage Devices

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Question #1

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What is the standard maximum capacity of a classic 3.5-inch High-Density Floppy Disk?

A. 1.44 MB

B. 1.2 MB

C. 720 KB

D. 2.88 MB

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Correct Answer: Option A

Explanation:
The standard high-density 3.5-inch floppy disk widely used in personal computers has a formatted storage capacity of 1.44 Megabytes.

This question belongs to: Computer Memory and Storage Devices

Question #2

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What is the purpose of a memory bank?

A. To provide memory protection

B. To organize memory into separate groups for parallel access

C. To store the operating system

D. To manage cache hits

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Correct Answer: Option B

Explanation:
Memory banks allow multiple memory accesses to occur simultaneously, increasing bandwidth and performance by interleaving.

This question belongs to: Computer Memory and Storage Devices

Question #3

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What does the term 'memory latency' refer to?

A. The amount of data transferred per second

B. The time to transfer data from memory to CPU

C. The time to refresh memory

D. The delay between issuing a request and getting the data

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Correct Answer: Option D

Explanation:
Memory latency is the time delay from when a memory access request is issued to when the data is available. It includes various delays like address decoding, access time, and bus latency.

This question belongs to: Computer Memory and Storage Devices

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