What is the typical capacity of a DVD-RW disc? MCQ with Answer and Explanation

Question
What is the typical capacity of a DVD-RW disc?
A. 8.5 GB
B. 25 GB
C. 700 MB
D. 4.7 GB
Answer: Option D
Solution (By JKSSB Mock Tests)
DVD-RW has a capacity of 4.7 GB (single-layer). Dual-layer rewritable discs exist but are less common.
This question belongs to: Computer Memory and Storage Devices
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Practice More Memory and Storage Devices Questions

Question #1
Which memory type serves as the fast, specialized storage space for storing translation mappings between virtual and physical memory addresses?
A. Hard Disk MBR
B. Translation Lookaside Buffer (TLB)
C. EPROM
D. Virtual Page File
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Correct Answer: Option B

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
Question #2
Which of the following is a type of optical disc that is read-only?
A. DVD-RAM
B. DVD-RW
C. Blu-ray ROM (BD-ROM)
D. CD-R
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Correct Answer: Option C

Explanation:
BD-ROM is read-only. CD-R and DVD-R are recordable once, DVD-RW and DVD-RAM are rewritable.
This question belongs to: Computer Memory and Storage Devices
Question #3
What is the purpose of the 'write' operation in memory?
A. To store data into a memory location
B. To retrieve data from memory
C. To copy data between registers
D. To delete data from memory
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Correct Answer: Option A

Explanation:
A write operation stores data into a specified memory address, altering the contents of that location.
This question belongs to: Computer Memory and Storage Devices
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