Which of the following is a type of memory that is used in enterprise environments for high reliability? MCQ with Answer and Explanation

Which of the following is a type of memory that is used in enterprise environments for high reliability?
A. Non-ECC RAM
B. DDR3
C. ECC RAM
D. SDRAM
Answer: Option C
Solution (By JKSSB Mock Tests)
ECC RAM includes error correction capabilities, improving system stability and data integrity, making it suitable for servers and mission-critical applications.

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Practice More Memory and Storage Devices Questions

Question #1
What is the typical capacity of a DVD-RW disc?
A. 700 MB
B. 4.7 GB
C. 8.5 GB
D. 25 GB

Correct Answer: Option B


Explanation:
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
Question #2
What is the typical speed of a CD-ROM drive at 1x?
A. 150 KB/s
B. 1.32 MB/s
C. 36 MB/s
D. 4.5 MB/s

Correct Answer: Option A


Explanation:
1x CD speed is 150 KB/s (or 153.6 KB/s for some). DVD 1x is 1.32 MB/s, Blu-ray 1x is 4.5 MB/s.

This question belongs to: Computer Memory and Storage Devices
Question #3
What is the purpose of a memory fence?
A. To reduce memory usage
B. To separate memory regions for security
C. To increase memory speed
D. To enforce memory ordering in concurrent programming

Correct Answer: Option D


Explanation:
A memory fence is a barrier instruction that ensures all preceding memory operations are completed before subsequent ones, maintaining consistency in multi-threaded environments.

This question belongs to: Computer Memory and Storage Devices