Question

what is meant by volatile?

Answer 1

In general, volatile (from the Latin "volatilis" meaning "to fly")is an adjective used to describe something unstable or changeable. In computers, volatile is used to describe memory content that is lost when the power is interrupted or switched off. Your computer's ordinary memory (or RAM ) is volatile memory.

Answer 2

(of a substance) easily evaporated at normal temperatures
or
Liable to change rapidly and unpredictably, especially for the worse.

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