What does the term 'memory latency' refer to? MCQ with Answer and Explanation

What does the term 'memory latency' refer to?
A. The amount of data transferred per second
B. The time to transfer data from memory to CPU
C. The delay between issuing a request and getting the data
D. The time to refresh memory
Answer: Option C
Solution (By JKSSB Mock Tests)
Memory latency is the time delay from when a memory access request is issued to when the data is available. It includes various delays like address decoding, access time, and bus latency.

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Practice More Memory and Storage Devices Questions

Question #1
Which of the following is a type of memory that is used to store the operating system?
A. Cache
B. ROM
C. Hard disk
D. RAM

Correct Answer: Option D


Explanation:
The operating system is loaded from secondary storage (hard disk) into RAM (primary storage) for execution. During execution, it resides in RAM.

This question belongs to: Computer Memory and Storage Devices
Question #2
Which of the following is the fastest type of memory?
A. Flash
B. ROM
C. SRAM
D. DRAM

Correct Answer: Option C


Explanation:
SRAM is the fastest among the listed options because it does not need refresh cycles and uses flip-flops, allowing near-instant access times, though it is more expensive.

This question belongs to: Computer Memory and Storage Devices
Question #3
Which of the following is a type of memory that is used for storing data in a mobile phone?
A. DRAM
B. eMMC
C. All of the above
D. SRAM

Correct Answer: Option C


Explanation:
Mobile phones use eMMC or UFS for storage, DRAM for main memory, and SRAM for cache in the processor.

This question belongs to: Computer Memory and Storage Devices