What is the typical capacity of a standard DVD+R disc? MCQ with Answer and Explanation

What is the typical capacity of a standard DVD+R disc?
A. 8.5 GB
B. 25 GB
C. 700 MB
D. 4.7 GB
Answer: Option D
Solution (By JKSSB Mock Tests)
DVD+R (single-layer) holds 4.7 GB, same as DVD-R.

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Practice More Memory and Storage Devices Questions

Question #1
Which unit of storage represents exactly 1024 Zettabytes?
A. 1 Petabyte
B. 1 Megabyte
C. 1 Yottabyte
D. 1 Exabyte

Correct Answer: Option C


Explanation:
The progression of large-scale data storage units dictates that 1024 Zettabytes (ZB) equals precisely 1 Yottabyte (YB).

This question belongs to: Computer Memory and Storage Devices
Question #2
What is the role of the memory controller in a CPU?
A. To handle memory addressing and data transfer
B. To control the power supply to memory
C. To decide which data to store in RAM
D. To manage the cache

Correct Answer: Option A


Explanation:
The memory controller manages the flow of data between the CPU and main memory, handling memory addressing, command issuance, and data transfer timing.

This question belongs to: Computer Memory and Storage Devices
Question #3
Which memory management technique allows a computer to use hard disk space as additional RAM?
A. Virtual memory
B. Segmentation
C. Cache memory
D. Paging

Correct Answer: Option A


Explanation:
Virtual memory is a memory management technique that uses a portion of the hard disk or SSD as an extension of RAM, allowing the system to run larger applications or multiple programs simultaneously.

This question belongs to: Computer Memory and Storage Devices