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Correct Answer: C. SRAM
Explanation: SRAM (Static Random Access Memory) is the correct answer because it is significantly faster than DRAM and does not require periodic refreshing to maintain data. Unlike DRAM, which uses capacitors that leak charge and must be constantly recharged, SRAM uses a bistable latching circuitry (typically six transistors per bit) to store each bit. This design allows SRAM to hold data as long as power is supplied, resulting in lower latency and higher speeds, which is why it is commonly used for CPU cache. DRAM is slower and requires constant refreshing, while ROM and Flash Memory are non-volatile storage types with much slower access speeds than volatile RAM.

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