What does the abbreviation 'NVMe' signify in modern high-speed solid state drive engineering architectures?
A. Non-Volatile Memory Express
B. Node Vector Management Engine
C. Network Volume Media Extension
D. New Vector Memory Encryption
Answer: Option A
Solution (By JKSSB Mock Tests)
NVMe stands for Non-Volatile Memory Express. It is a communication protocol developed specifically for accessing high-speed storage media, like SSDs, via PCIe lanes.
Explanation:
A buffer (or disk cache) in a hard disk is a small amount of RAM used to temporarily hold data being read from or written to the disk, improving performance by reducing access time.
Explanation:
As of 2026, 3.5-inch HDDs commonly range from 1 TB to 8 TB, with higher capacities available (e.g., 10-20 TB) but 1-8 TB is typical for consumer drives.
Explanation:
A write buffer holds data to be written to memory, allowing the CPU to continue execution while the write operation completes asynchronously.
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