Which statement about SRAM and DRAM is correct?

Options

  • A. DRAM is generally faster than SRAM and is used for CPU registers
  • B. SRAM requires periodic refreshing to retain stored bits
  • C. SRAM is commonly used in cache, while DRAM is commonly used in main memory
  • D. More than one of the above
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

C. SRAM is commonly used in cache, while DRAM is commonly used in main memory

Detailed Explanation

Correct Answer: SRAM is commonly used in cache, while DRAM is commonly used in main memory.

Explanation: SRAM stores bits using flip-flop circuits and does not require periodic refreshing. It is generally faster and more expensive per bit than DRAM. DRAM stores bits using capacitors and requires periodic refreshing, making it suitable for high-capacity main memory.
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BPSC TRE 4 operating system practice set 3

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