Arrange the following types of memory in increasing order based on data…
2022
Arrange the following types of memory in increasing order based on data transfer rate.
a. HDD
b. SSD
c. RAM
d. Cache memory
e. Registers
Answer: B. a b c d e — ConceptA memory hierarchy organizes storage by access speed, latency, capacity, and cost. Components closer to the CPU usually transfer data faster, while…
- A.
e b a d c
- B.
a b c d e
- C.
d c b a e
- D.
a e b c d
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Show answer & explanation
Correct answer: B
Concept
A memory hierarchy organizes storage by access speed, latency, capacity, and cost. Components closer to the CPU usually transfer data faster, while farther storage is slower but offers greater capacity. This is a qualitative hierarchy comparison; exact device-specific bandwidths can vary.
Application
HDD uses mechanical movement, so it has the slowest data transfer rate in this set.
SSD uses solid-state flash and transfers data faster than an HDD, but slower than main memory.
RAM is directly accessed as working memory and is faster than secondary storage such as an SSD.
Cache memory is a small, high-speed memory close to the CPU, so it is faster than RAM.
Registers are inside the processor and provide the fastest access in this hierarchy.
Cross-check
Moving from secondary storage toward the CPU generally decreases access latency and increases typical data-transfer performance: HDD, SSD, RAM, cache memory, then registers. Therefore the increasing order is HDD → SSD → RAM → Cache memory → Registers.
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