What is the unit of measurement for memory speed in RAM? MCQ with Answer and Explanation

What is the unit of measurement for memory speed in RAM?
A. Both A and C
B. MHz
C. MT/s
D. MB/s
Answer: Option A
Solution (By JKSSB Mock Tests)
RAM speed is often measured in MHz (cycles per second) and MT/s (megatransfers per second) for DDR modules, where the effective data rate is double the clock frequency.

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Practice More Memory and Storage Devices Questions

Question #1
What does the acronym 'NVMe' stand for?
A. Non-Volatile Main memory
B. New Virtual Memory Extension
C. Non-Volatile Memory Express
D. Network Volatile Memory Engine

Correct Answer: Option C


Explanation:
NVMe is a protocol designed for SSDs using PCIe, providing low latency and high throughput for non-volatile memory.

This question belongs to: Computer Memory and Storage Devices
Question #2
Which of the following data storage units represents the smallest value?
A. 1 Megabyte
B. 1 Terabyte
C. 1 Petabyte
D. 1 Gigabyte

Correct Answer: Option A


Explanation:
Among the options provided, Megabyte (MB) is the smallest unit ($10^6$ or $2^{20}$ bytes), followed by Gigabyte, Terabyte, and Petabyte.

This question belongs to: Computer Memory and Storage Devices
Question #3
In the context of memory, what does 'volatile' mean?
A. Memory is permanent
B. Memory retains data without power
C. Memory cannot be written
D. Memory requires power to retain data

Correct Answer: Option D


Explanation:
Volatile memory loses its stored data when the power supply is turned off. RAM is a classic example of volatile memory.

This question belongs to: Computer Memory and Storage Devices