Practice Quiz

CompTIA Server+

Category - Server

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Which of the following differentiates DRAM from SRAM?
  1. SRAM is slower than DRAM.
  2. SRAM is less expensive than DRAM.
  3. DRAM is a laptop component, whereas SRAM is a desktop component.
  4. SRAM is faster than DRAM.
Explanation
Answer - D - SRAM is faster than DRAM.

Key Takeaway: SRAM uses six transistors per bit, while DRAM uses one transistor and two capacitors per bit. Because SRAM uses six transistors, all data is stored permanently. Additionally in SRAM, data need not be refreshed periodically. SRAM stores only 25% as much data as DRAM can.
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