What type of storage is a CD-ROM? MCQ with Answer and Explanation

What type of storage is a CD-ROM?
A. Semiconductor storage
B. Solid-state storage
C. Optical storage
D. Magnetic storage
Answer: Option C
Solution (By JKSSB Mock Tests)
CD-ROM (Compact Disc Read-Only Memory) uses laser beams to read microscopic pits and lands on the surface of the disc, classifying it as optical storage.

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Practice More Memory and Storage Devices Questions

Question #1
What does the abbreviation 'NVMe' signify in modern high-speed solid state drive engineering architectures?
A. New Vector Memory Encryption
B. Network Volume Media Extension
C. Node Vector Management Engine
D. Non-Volatile Memory Express

Correct Answer: Option D


Explanation:
NVMe stands for Non-Volatile Memory Express. It is a communication protocol developed specifically for accessing high-speed storage media, like SSDs, via PCIe lanes.

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 frequently used data to speed up access?
A. Optical disc
B. Hard disk
C. ROM
D. Cache memory

Correct Answer: Option D


Explanation:
Cache memory is designed to store frequently accessed data for quick access, reducing average memory access time.

This question belongs to: Computer Memory and Storage Devices
Question #3
Which of the following is a type of RAM that uses a clock signal to synchronize its operations?
A. FPM DRAM
B. DRAM
C. SDRAM
D. SRAM

Correct Answer: Option C


Explanation:
SDRAM (Synchronous DRAM) synchronizes with the system clock, allowing it to accept commands on every clock cycle, improving performance over asynchronous DRAM.

This question belongs to: Computer Memory and Storage Devices