What is randomness?

  • (noun): (thermodynamics) a thermodynamic quantity representing the amount of energy in a system that is no longer available for doing mechanical work.
    Synonyms: entropy, S
    See also — Additional definitions below


Randomness means different things in various fields. Commonly, it means lack of pattern or predictability in events.

Read more about Randomness.

Some articles on randomness:

Physical Unclonable Function - Types of PUFs - PUFs Using Intrinsic Randomness
... Unlike PUFs that utilize explicitly-introduced randomness, PUFs using intrinsic randomness are highly attractive because they can be included in a design without modifications to the manufacturing process ...
Probabilistic Complexity Theory - Derandomization
... Randomness can be viewed as a resource, like space and time ... Derandomization is then the process of removing randomness (or using as little of it as possible) ... in general) to amplify a limited amount of initial randomness (this last approach is also referred to as generating pseudorandom bits from a random source, and ...
Randomness Extractor - Applications
... Randomness extractors are used widely in cryptographic applications, whereby a cryptographic hash function is applied to a high-entropy, but non-uniform source, such as disk drive ... Randomness extractors have played a part in recent developments in quantum cryptography, where photons are used by the randomness extractor to generate ... Randomness extraction is also used in some branches of computational complexity theory ...
Randomness - Books
... Randomness by Deborah J ... Fooled by Randomness, 2nd ed ... Exploring Randomness by Gregory Chaitin ...
Symmetry In Mathematics - Randomness
... The idea of randomness, without clauses, suggests a probability distribution with "maximum symmetry" with respect to all outcomes ... A possible symmetry for randomness with positive outcomes is that the former applies for the logarithm, i.e ...

More definitions of "randomness":