What is the capacity of a standard mini CD? MCQ with Answer and Explanation

What is the capacity of a standard mini CD?
A. 210 MB
B. 700 MB
C. 1.4 GB
D. 650 MB
Answer: Option A
Solution (By JKSSB Mock Tests)
Mini CDs (8 cm) hold about 210 MB (or 21 minutes of audio), as opposed to standard 700 MB CDs.

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Practice More Memory and Storage Devices Questions

Question #1
What is the function of a memory mapper?
A. To manage cache
B. To map memory addresses to physical locations
C. To control memory refresh
D. To increase memory speed

Correct Answer: Option B


Explanation:
A memory mapper (like MMU) translates logical addresses to physical addresses, or maps memory regions in systems with limited address space.

This question belongs to: Computer Memory and Storage Devices
Question #2
Which of the following is a type of memory that is used for storing the system's BIOS?
A. Cache
B. ROM
C. Hard disk
D. RAM

Correct Answer: Option B


Explanation:
BIOS is stored in ROM (or flash memory) on the motherboard, as it must be non-volatile and available at boot.

This question belongs to: Computer Memory and Storage Devices
Question #3
Which system component acts as an intermediary buffer, allowing slow peripheral storage devices like hard drives to communicate efficiently with the CPU?
A. L1 Cache
B. Instruction Register
C. Accumulator
D. Disk Buffer / Cache Memory

Correct Answer: Option D


Explanation:
Disk buffers built into drives act as localized memory arrays to cache data temporarily, preventing slow mechanical read speeds from bottlenecking system processes.

This question belongs to: Computer Memory and Storage Devices