Which of the following is a measure of the number of data transfers per second in RAM? MCQ with Answer and Explanation

Which of the following is a measure of the number of data transfers per second in RAM?
A. MB/s
B. MT/s
C. GB/s
D. MHz
Answer: Option B
Solution (By JKSSB Mock Tests)
For DDR memory, the effective data rate is often quoted in MT/s (megatransfers per second), which indicates the number of data transfers per second. MHz is clock frequency, which is half of MT/s for DDR.

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Practice More Memory and Storage Devices Questions

Question #1
Which of the following memory types has the fastest access time in a computer system hierarchy?
A. Secondary Storage
B. Registers
C. Main Memory (RAM)
D. Cache Memory

Correct Answer: Option B


Explanation:
CPU registers are located inside the processor itself and have the fastest access time, followed by cache memory, main memory, and secondary storage.

This question belongs to: Computer Memory and Storage Devices
Question #2
What is the typical capacity of a DVD disc used for movies?
A. Both A and B
B. 4.7 GB (single layer)
C. 8.5 GB (dual layer)
D. 25 GB

Correct Answer: Option A


Explanation:
Commercial DVDs can be single-layer (4.7 GB) or dual-layer (8.5 GB) for longer movies. Both are used.

This question belongs to: Computer Memory and Storage Devices
Question #3
Which of the following is a type of memory that has the fastest access time?
A. Cache memory
B. RAM
C. Registers
D. Hard disk

Correct Answer: Option C


Explanation:
Registers have the fastest access time because they are inside the CPU, typically accessed in a single clock cycle.

This question belongs to: Computer Memory and Storage Devices