Hardware random number generator

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Notion

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Science and technology

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What Wikipedia says

In computing, a hardware random number generator (HRNG), true random number generator (TRNG), non-deterministic random bit generator (NRBG), or physical random number generator is a device that generates random numbers from a physical process capable of producing entropy, unlike a pseudorandom number generator (PRNG) that utilizes a deterministic algorithm and non-physical nondeterministic random bit generators that do not include hardware dedicated to generation of entropy.

Excerpt from the Wikipedia article “Hardware random number generator”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Gareth Halfacree from Bradford, UK, CC BY-SA 2.0, via Wikimedia Commons.