A. To enforce memory ordering in concurrent programming
B. To increase memory speed
C. To reduce memory usage
D. To separate memory regions for security
Answer: Option A
Solution (By JKSSB Mock Tests)
A memory fence is a barrier instruction that ensures all preceding memory operations are completed before subsequent ones, maintaining consistency in multi-threaded environments.
Explanation:
A cluster (or allocation unit) is a group of sectors combined by the operating system's file system to form the smallest legal space where a file can be stored.
Explanation:
A dual-layer DVD (DVD-9) holds about 8.5 GB (or 7.95 GiB). Single-layer is 4.7 GB. Some double-sided DVDs have more, but standard dual-layer is 8.5 GB.
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