What is the typical capacity of a double-sided DVD? MCQ with Answer and Explanation

What is the typical capacity of a double-sided DVD?
A. 4.7 GB
B. 17 GB
C. 9.4 GB
D. 8.5 GB
Answer: Option C
Solution (By JKSSB Mock Tests)
Double-sided DVD (DVD-10) holds 9.4 GB (two layers of 4.7 GB each). Dual-layer single-sided (DVD-9) holds 8.5 GB.

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Memory and Storage Devices Questions

Question #1
Which of the following is a type of memory that is used for storing data temporarily during computation?
A. Optical disc
B. Cache memory
C. Hard disk
D. ROM

Correct Answer: Option B


Explanation:
Cache memory temporarily stores data and instructions for quick access during computation. ROM is permanent, hard disk and optical discs are secondary storage.

This question belongs to: Computer Memory and Storage Devices
Question #2
Which of the following values is exactly equivalent to one single Megabyte (MB) when operating under standard decimal (SI) storage metrics?
A. $512,000$ Bytes
B. $1,024$ Kilobytes
C. $1,000,000$ Bytes
D. $1,048,576$ Bytes

Correct Answer: Option C


Explanation:
Under decimal SI metrics (often used by storage manufacturers), mega- means exactly one million ($10^6$), so 1 Megabyte equals exactly 1,000,000 Bytes.

This question belongs to: Computer Memory and Storage Devices
Question #3
Which of the following is a characteristic of a solid-state drive (SSD) compared to a hard disk drive (HDD)?
A. SSDs have higher latency
B. SSDs are more susceptible to physical shock
C. SSDs are louder
D. SSDs have faster random access times

Correct Answer: Option D


Explanation:
SSDs have much faster random access times because there is no mechanical latency (seek time, rotational latency). They are also more resistant to shock and quieter.

This question belongs to: Computer Memory and Storage Devices