What is the typical capacity of a DVD-RAM disc? MCQ with Answer and Explanation

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What is the typical capacity of a DVD-RAM disc?

A. 9.4 GB

B. 1.4 GB

C. 25 GB

D. 4.7 GB

Answer: Option D

Solution (By JKSSB Mock Tests)

A DVD-RAM disc typically holds 4.7 GB per side (single-layer), with double-sided versions up to 9.4 GB. But the common capacity is 4.7 GB for single-sided.

This question belongs to: Computer Memory and Storage Devices

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Practice More Memory and Storage Devices Questions

Question #1

How many bits constitute a single Nibble?

A. 2 bits

B. 4 bits

C. 16 bits

D. 8 bits

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Correct Answer: Option B

Explanation:
A nibble is exactly half of a byte, meaning it consists of 4 bits.

This question belongs to: Computer Memory and Storage Devices

Question #2

Which technology is used in Blu-ray discs to achieve higher capacity?

A. Infrared laser

B. Red laser

C. Ultraviolet laser

D. Blue-violet laser

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Correct Answer: Option D

Explanation:
Blu-ray discs use a blue-violet laser with a shorter wavelength (405 nm) than the red laser used in DVDs (650 nm), allowing smaller pits and more data per area.

This question belongs to: Computer Memory and Storage Devices

Question #3

What is the typical capacity of a DVD-R DL (dual layer) disc?

A. 4.7 GB

B. 17 GB

C. 8.5 GB

D. 9.4 GB

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Correct Answer: Option C

Explanation:
DVD-R DL (dual layer) has a capacity of 8.5 GB. Double-sided dual layer would be larger.

This question belongs to: Computer Memory and Storage Devices

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