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It retains its content when power is removed. What type of memory is this?

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It retains its content when power is removed. What type of memory is this?

(a) Volatile memory

(b) Nonvolatile memory

(c) RAM

(d) SRAM

I got this question in exam.

I'm obligated to ask this question of Memory and Peripherals of Embedded System in chapter Embedded System of Embedded Systems

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Right option is (b) Nonvolatile memory

Easiest explanation: Nonvolatile devices are those which always retains it content even when any abrupt change occurs and nonvolatile memory are a kind of such devices. But RAM is a volatile memory which is primary storage that can only access its data only when the device is powered and SRAM is a type of RAM which is called Static RAM.

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