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    Question

    What is the primary difference between SRAM (Static

    Random-Access Memory) and DRAM (Dynamic Random-Access Memory)?
    A SRAM is faster and more expensive than DRAM because it does not require constant refreshing. Correct Answer Incorrect Answer
    B DRAM is faster and more expensive than SRAM because it can store more data in a smaller physical space. Correct Answer Incorrect Answer
    C SRAM requires constant refreshing to maintain data, whereas DRAM does not. Correct Answer Incorrect Answer
    D DRAM is used primarily for cache memory, while SRAM is used for main memory in computers. Correct Answer Incorrect Answer
    E SRAM and DRAM are functionally identical but differ only in their physical form factor. Correct Answer Incorrect Answer

    Solution

    The primary difference between SRAM (Static Random-Access Memory) and DRAM (Dynamic Random-Access Memory) lies in their speed, cost, and refresh requirements. SRAM is faster and more reliable compared to DRAM because it uses flip-flops to store each bit of data, which does not require constant refreshing to maintain data. This makes SRAM ideal for cache memory in CPUs, where speed is crucial. In contrast, DRAM stores data in capacitors that must be periodically refreshed to prevent data loss. This refreshing process makes DRAM slower compared to SRAM but allows it to be more cost-effective and capable of storing more data per unit area. DRAM is typically used for main memory in computers due to its higher density and lower cost, despite its slower speed. The trade-off between SRAM and DRAM is primarily between speed and cost versus capacity and refresh requirements.

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