Which of the following is a characteristic of a hard disk's track? MCQ with Answer and Explanation

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Which of the following is a characteristic of a hard disk's track?

A. A vertical stack of platters

B. A circular path on a platter where data is stored

C. A sector on the disk

D. The distance between platters

Answer: Option B

Solution (By JKSSB Mock Tests)

A track is one of many concentric circular paths on a platter surface. Data is written on these tracks.

This question belongs to: Computer Memory and Storage Devices

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Question #1

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

A. 1 Gigabyte

B. 1 Terabyte

C. 1 Petabyte

D. 1 Megabyte

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Correct Answer: Option D

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 typical data rate of a 1x DVD drive?

A. 1.32 MB/s

B. 36 MB/s

C. 4.5 MB/s

D. 11.08 MB/s

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Correct Answer: Option A

Explanation:
1x DVD has a data transfer rate of 11.08 Mbit/s = 1.32 MB/s. Blu-ray 1x is 36 Mbit/s = 4.5 MB/s. CD 1x is 150 KB/s.

This question belongs to: Computer Memory and Storage Devices

Question #3

What is the typical capacity of a standard DVD+R disc?

A. 25 GB

B. 8.5 GB

C. 4.7 GB

D. 700 MB

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Correct Answer: Option C

Explanation:
DVD+R (single-layer) holds 4.7 GB, same as DVD-R.

This question belongs to: Computer Memory and Storage Devices

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