What is the typical capacity of a DVD-R DL (dual layer) disc? MCQ with Answer and Explanation

What is the typical capacity of a DVD-R DL (dual layer) disc?
A. 4.7 GB
B. 9.4 GB
C. 17 GB
D. 8.5 GB
Answer: Option D
Solution (By JKSSB Mock Tests)
DVD-R DL (dual layer) has a capacity of 8.5 GB. Double-sided dual layer would be larger.

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Practice More Memory and Storage Devices Questions

Question #1
What is the role of a cache controller?
A. To handle disk scheduling
B. To manage cache memory, including hit/miss detection and data replacement
C. To translate virtual addresses
D. To allocate memory for processes

Correct Answer: Option B


Explanation:
The cache controller handles the logic for cache operations, determining whether requested data is in cache (hit) and managing replacement policies when cache is full.

This question belongs to: Computer Memory and Storage Devices
Question #2
Which of the following actions will cause data stored within an EEPROM chip to be erased?
A. Exposing the chip face to high-intensity ultraviolet light rays.
B. Submerging the motherboard traces into a grounding solution.
C. Shutting down the central computer system power switch.
D. Applying a designated electrical voltage signal to the chip control pins.

Correct Answer: Option D


Explanation:
EEPROM stands for Electrically Erasable Programmable Read-Only Memory. It is erased and rewritten digitally by applying specific electrical currents to its pins.

This question belongs to: Computer Memory and Storage Devices
Question #3
What is the maximum capacity of a standard CD-RW disc?
A. 650 MB
B. 700 MB
C. 800 MB
D. 1 GB

Correct Answer: Option B


Explanation:
A standard CD-RW has a capacity of 700 MB (80 minutes). Some older ones were 650 MB. CD-RW is rewritable.

This question belongs to: Computer Memory and Storage Devices