What is the typical capacity of a single-layer DVD in bytes? MCQ with Answer and Explanation

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

A. 4.38 TB

B. 4.7 GiB

C. 4.7 GB (4.38 GiB)

D. 4.38 GB

Answer: Option C

Solution (By JKSSB Mock Tests)

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

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Question #1

What does the acronym 'NVMe' stand for?

A. Non-Volatile Memory Express

B. Non-Volatile Main memory

C. New Virtual Memory Extension

D. Network Volatile Memory Engine

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Correct Answer: Option A

Explanation:
NVMe is a protocol designed for SSDs using PCIe, providing low latency and high throughput for non-volatile memory.

This question belongs to: Computer Memory and Storage Devices

Question #2

What does the acronym SSD stand for?

A. Solid System Disk

B. Serial Storage Drive

C. Solid State Drive

D. Synchronous Storage Device

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Correct Answer: Option C

Explanation:
SSD stands for Solid State Drive, a storage device using integrated circuit assemblies as memory to store data persistently.

This question belongs to: Computer Memory and Storage Devices

Question #3

What is the smallest unit of data storage in a computer?

A. Kilobyte

B. Bit

C. Byte

D. Nibble

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Correct Answer: Option B

Explanation:
A bit is the smallest unit of data in computing and can have a value of 0 or 1. A byte is 8 bits, a kilobyte is 1024 bytes, and a nibble is 4 bits.

This question belongs to: Computer Memory and Storage Devices

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