Which type of memory is used as main system memory in most computers?
A. SRAM
B. ROM
C. DRAM
D. Flash
Answer: Option C
Solution (By JKSSB Mock Tests)
DRAM (Dynamic RAM) is commonly used as the main memory (system RAM) in computers due to its higher density and lower cost compared to SRAM, although it requires periodic refreshing.
Explanation:
Hit ratio refers to the percentage of memory access requests that are successfully served directly by the cache instead of going to main memory.
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