What type of memory module architecture includes a specialized hardware register between the memory controller and the DRAM chips to stabilize heavy enterprise server setups? MCQ with Answer and Explanation
What type of memory module architecture includes a specialized hardware register between the memory controller and the DRAM chips to stabilize heavy enterprise server setups?
A. Non-volatile Flash Module
B. Registered / Buffered RAM
C. Unbuffered RAM
D. Static SRAM
Answer: Option B
Solution (By JKSSB Mock Tests)
Registered (or buffered) RAM places an internal register between the system memory controller and the DRAM modules, reducing electrical load and increasing system stability for enterprise server arrays.
Explanation:
SRAM is more expensive per bit than DRAM because it uses more transistors per bit. It is faster and does not need refreshing, but is not used as main memory due to cost.
Explanation:
The cache controller utilizes replacement policies like Least Recently Used (LRU) to determine which older data blocks to discard when space is needed for new cache lines.
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