What is the function of a memory sector on a hard disk? MCQ with Answer and Explanation

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What is the function of a memory sector on a hard disk?

A. It is a group of cylinders

B. It is a group of tracks

C. It is the smallest addressable unit of storage

D. It is a buffer for data

Answer: Option C

Solution (By JKSSB Mock Tests)

A sector is the smallest unit of data that can be addressed on a hard disk, typically 512 bytes or 4 KB.

This question belongs to: Computer Memory and Storage Devices

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Practice More Memory and Storage Devices Questions

Question #1

Which of the following data storage units represents the smallest value?

A. 1 Gigabyte

B. 1 Megabyte

C. 1 Terabyte

D. 1 Petabyte

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Correct Answer: Option B

Explanation:
Among the options provided, Megabyte (MB) is the smallest unit ($10^6$ or $2^{20}$ bytes), followed by Gigabyte, Terabyte, and Petabyte.

This question belongs to: Computer Memory and Storage Devices

Question #2

What is the purpose of a memory address space?

A. To store actual data

B. To manage cache

C. To control I/O devices

D. To define the range of addresses available for memory

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Correct Answer: Option D

Explanation:
The memory address space is the set of all possible memory addresses that the CPU can generate, limiting the maximum amount of memory that can be addressed.

This question belongs to: Computer Memory and Storage Devices

Question #3

Which form of non-volatile storage contains an integrated controller that presents a standard flash chip array through a legacy IDE-compatible hard drive interface pinout?

A. Memory Stick Pro

B. CompactFlash (CF) Card

C. Secure Digital Card

D. SmartMedia Module

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Correct Answer: Option B

Explanation:
CompactFlash cards were designed around the Parallel ATA (IDE) interface specification, allowing them to act exactly like miniature solid hard drives via legacy controllers.

This question belongs to: Computer Memory and Storage Devices

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