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

What is the typical maximum capacity limit achievable by a single standard double-layer, double-sided Blu-ray Disc (BD-ROM)?
A. 50 GB
B. 25 GB
C. 100 GB
D. 4.7 GB
Answer: Option A
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).

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Practice More Memory and Storage Devices Questions

Question #1
Which of the following represents an explicit example of an optical disk storage system?
A. Magnetic Spool Tape
B. Solid State Drive
C. Internal RAM Module
D. Digital Versatile Disc (DVD)

Correct Answer: Option D


Explanation:
Digital Versatile Discs (DVDs) store binary code as physical micro-structures read via focused optical laser pickup assemblies.

This question belongs to: Computer Memory and Storage Devices
Question #2
What is the purpose of a memory buffer?
A. To increase memory capacity
B. To temporarily hold data during transfer
C. To convert data formats
D. To permanently store data

Correct Answer: Option B


Explanation:
A memory buffer is a temporary storage area used to hold data while it is being transferred between different devices or between different speeds, to smooth out data flow.

This question belongs to: Computer Memory and Storage Devices
Question #3
What is the role of a memory controller hub (MCH)?
A. To connect the CPU to I/O devices
B. To control the hard disk
C. To manage power delivery
D. To connect the CPU to graphics and memory

Correct Answer: Option D


Explanation:
The Memory Controller Hub (Northbridge) traditionally connects the CPU to memory and high-speed graphics. In modern CPUs, the memory controller is integrated.

This question belongs to: Computer Memory and Storage Devices