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Which one of the following is UV erasable?

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Which one of the following is UV erasable?

(a) Flash memory

(b) SRAM

(c) EPROM

(d) DRAM

This question was posed to me in an interview for job.

I would like to ask this question from Memory and Peripherals of Embedded System in chapter Embedded System of Embedded Systems

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The correct option is (c) EPROM

For explanation: EPROM is an erasable program and it can be erased by ultraviolet radiations. SRAM  and DRAM are volatile memories. Flash memory to is a volatile memory but it is not UV erasable.

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