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Which statement best explains why SRAM is used for cache memory while DRAM is used for main memory?

Question: Which statement best explains why SRAM is used for cache memory while DRAM is used for main memory?
  • A. SRAM is slower but cheaper than DRAM
  • B. SRAM does not require constant refreshing, making it faster but more expensive ✓
  • C. DRAM retains data even when power is off
  • D. SRAM has higher storage density than DRAM
Correct Answer: B. SRAM does not require constant refreshing, making it faster but more expensive

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