Which of the following is a type of memory that has the fastest access time? MCQ with Answer and Explanation

Which of the following is a type of memory that has the fastest access time?
A. Registers
B. Hard disk
C. Cache memory
D. RAM
Answer: Option A
Solution (By JKSSB Mock Tests)
Registers have the fastest access time because they are inside the CPU, typically accessed in a single clock cycle.

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Practice More Memory and Storage Devices Questions

Question #1
Which form of non-volatile storage contains an integrated controller that presents a standard flash chip array through a legacy IDE-compatible hard drive interface pinout?
A. Secure Digital Card
B. Memory Stick Pro
C. SmartMedia Module
D. CompactFlash (CF) Card

Correct Answer: Option D


Explanation:
CompactFlash cards were designed around the Parallel ATA (IDE) interface specification, allowing them to act exactly like miniature solid hard drives via legacy controllers.

This question belongs to: Computer Memory and Storage Devices
Question #2
Which structural layout technique links multiple physical memory chips on a RAM stick to form a unified, wider data bus width?
A. Sectors Allocation
B. Memory Ranking
C. Virtual Layering
D. Paging

Correct Answer: Option B


Explanation:
A memory rank is a unique block or area of data created using a collection of some or all memory chips on a single module that share a 64-bit wide data bus.

This question belongs to: Computer Memory and Storage Devices
Question #3
What does the acronym 'NVMe' stand for?
A. Non-Volatile Main memory
B. Non-Volatile Memory Express
C. Network Volatile Memory Engine
D. New Virtual Memory Extension

Correct Answer: Option B


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