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What is random_device?

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What is random_device?

(a) A pseudo-random number generator

(b) Time-dependent random number generator

(c) Simple random number generator

(d) A true random number generator

I got this question in an online quiz.

The origin of the question is Generators topic in chapter Class Hierarchies, Library & Containers of C++

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The correct option is (d) A true random number generator

Explanation: random_device is a true random number generator not the pseudo random number generator.

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