What is the storage capacity of a standard single-layer Blu-ray Disc? MCQ with Answer and Explanation

Question
What is the storage capacity of a standard single-layer Blu-ray Disc?
A. 50 GB
B. 25 GB
C. 8.5 GB
D. 4.7 GB
Answer: Option B
Solution (By JKSSB Mock Tests)
A standard single-layer Blu-ray disc can hold up to 25 GB of data, whereas dual-layer versions can store up to 50 GB.
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 non-volatile and used for firmware?
A. SRAM
B. DRAM
C. Flash ROM
D. RAM
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Correct Answer: Option C

Explanation:
Flash ROM is non-volatile and often used for storing firmware (BIOS) because it can be updated electrically.
This question belongs to: Computer Memory and Storage Devices
Question #2
Which of the following is a type of memory that is used to store the operating system?
A. Cache
B. ROM
C. RAM
D. Hard disk
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Correct Answer: Option C

Explanation:
The operating system is loaded from secondary storage (hard disk) into RAM (primary storage) for execution. During execution, it resides in RAM.
This question belongs to: Computer Memory and Storage Devices
Question #3
Which memory type serves as the fast, specialized storage space for storing translation mappings between virtual and physical memory addresses?
A. Translation Lookaside Buffer (TLB)
B. EPROM
C. Virtual Page File
D. Hard Disk MBR
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Correct Answer: Option A

Explanation:
The TLB is a dedicated hardware memory cache within the CPU's memory management unit (MMU) that speeds up virtual-to-physical address translations.
This question belongs to: Computer Memory and Storage Devices
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