What is the primary function of the 'Sectors' found on a mechanical hard disk track layout? MCQ with Answer and Explanation

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What is the primary function of the 'Sectors' found on a mechanical hard disk track layout?

A. To balance the weight distribution of the spinning platter.

B. To provide physical ventilation channels across the drive enclosure.

C. To serve as the standardized addressable segments for holding a fixed number of data bytes.

D. To encrypt files automatically as they are processed.

Answer: Option C

Solution (By JKSSB Mock Tests)

Sectors are pie-shaped segments of concentric tracks that serve as the fundamental, fixed-size physical storage blocks on a hard drive platter.

This question belongs to: Computer Memory and Storage Devices

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What size of storage data block is represented exactly by the term 'Kilobyte' (KB) in pure binary-scale computation systems?

A. 1024 Bytes

B. 2048 Bytes

C. 512 Bytes

D. 1000 Bytes

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Correct Answer: Option A

Explanation:
In binary computer notation, a Kilobyte is calculated as $2^{10}$ bytes, which equals exactly 1024 bytes.

This question belongs to: Computer Memory and Storage Devices

Question #2

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What is the typical capacity of a CD-ROM in minutes of audio?

A. 60 minutes

B. 90 minutes

C. 74 minutes

D. 80 minutes

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Correct Answer: Option D

Explanation:
Standard CD-ROM holds 80 minutes of audio (or 700 MB), though earlier ones held 74 minutes (650 MB).

This question belongs to: Computer Memory and Storage Devices

Question #3

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What is the main benefit of upgrading a laptop's storage from an older mechanical HDD to an NVMe SSD?

A. Complete immunity to all software-based computer viruses.

B. Substantially lower financial acquisition costs.

C. An expansion of the physical size of the display panel.

D. Vastly superior data read/write speeds and faster system boot times.

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Correct Answer: Option D

Explanation:
NVMe SSDs operate over high-bandwidth PCIe pathways without mechanical latencies, resulting in faster data transfers, file loads, and system boots.

This question belongs to: Computer Memory and Storage Devices

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