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DRAM is fabricated by using IC __________

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DRAM is fabricated by using IC __________

(a) 2114

(b) 7489

(c) 4116

(d) 2776

The question was posed to me in an international level competition.

This interesting question is from Random Access Memory in division Memory Devices of Digital Circuits

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Right option is (c) 4116

The explanation: DRAM is Dynamic RAM which takes more access time compared to SRAM and is thus, slower in operation comparatively. Although, in general it offers high speed and is used in most computers nowadays. DRAM is fabricated by using IC 4116.

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