What does 'S' stand for in the context of SD cards used in smartphones and cameras? MCQ with Answer and Explanation

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What does 'S' stand for in the context of SD cards used in smartphones and cameras?

A. Static Digital

B. Secure Digital

C. Speed Digital

D. Serial Digital

Answer: Option B

Solution (By JKSSB Mock Tests)

SD card stands for Secure Digital card, a proprietary non-volatile memory card format developed for portable devices.

This question belongs to: Computer Memory and Storage Devices

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Question #1

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

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

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

C. To encrypt files automatically as they are processed.

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

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Correct Answer: Option A

Explanation:
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

Question #2

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What is the typical capacity of a single-layer DVD in bytes?

A. 4.38 TB

B. 4.7 GB (4.38 GiB)

C. 4.38 GB

D. 4.7 GiB

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Correct Answer: Option B

Explanation:
A single-layer DVD has a capacity of 4.7 GB (decimal) or 4.38 GiB (binary). For exams, they often say 4.7 GB.

This question belongs to: Computer Memory and Storage Devices

Question #3

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Which of the following is a type of memory that is used for temporary storage of data in a printer?

A. Hard disk

B. Flash

C. ROM

D. RAM

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Correct Answer: Option D

Explanation:
Printers have RAM (buffer) to store print jobs temporarily while processing, allowing the computer to continue working.

This question belongs to: Computer Memory and Storage Devices

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