What is the typical maximum capacity limit achievable by a single standard double-layer, double-sided Blu-ray Disc (BD-ROM)? MCQ with Answer and Explanation

Question
What is the typical maximum capacity limit achievable by a single standard double-layer, double-sided Blu-ray Disc (BD-ROM)?
A. 100 GB
B. 50 GB
C. 4.7 GB
D. 25 GB
Answer: Option B
Solution (By JKSSB Mock Tests)
A standard double-layer Blu-ray disc features two data layers on a single side, yielding a total capacity of 50 GB (25 GB per layer).
This question belongs to: Computer Memory and Storage Devices
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Practice More Memory and Storage Devices Questions

Question #1
Which of the following is a type of memory that is used for storing data in a heart rate monitor?
A. RAM
B. Flash memory
C. EEPROM
D. ROM
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Correct Answer: Option B

Explanation:
Heart rate monitors may store data in flash or EEPROM, but typically they use flash for small data logging.
This question belongs to: Computer Memory and Storage Devices
Question #2
Which of the following describes an optical storage medium that features pre-recorded data that can never be modified or erased by the user?
A. DVD+RW
B. CD-RW
C. CD-R
D. CD-ROM
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Correct Answer: Option D

Explanation:
A CD-ROM (Read-Only Memory) is manufactured with pre-stamped physical pits, meaning the stored information is immutable and cannot be rewritten.
This question belongs to: Computer Memory and Storage Devices
Question #3
Which of the following is a characteristic of EEPROM?
A. It can be erased only by UV light
B. It is used as main memory
C. It is volatile
D. It can be electrically erased and reprogrammed byte by byte
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Correct Answer: Option D

Explanation:
EEPROM allows electrical erasure and reprogramming at the byte level, unlike flash which erases in blocks. It is non-volatile.
This question belongs to: Computer Memory and Storage Devices
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