block proof
61Post correspondence problem — The Post correspondence problem is an undecidable decision problem that was introduced by Emil Post in 1946.[1] Because it is simpler than the halting problem and the Entscheidungsproblem it is often used in proofs of undecidability. Contents 1… …
62Commitment ordering — In concurrency control of databases, transaction processing (transaction management), and related applications, Commitment ordering (or Commit ordering; CO; (Raz 1990, 1992, 1994, 2009)) is a class of interoperable Serializability techniques …
63Libraries and Museums — ▪ 2007 Introduction Libraries and museums grappled with ways to attract more patrons during the year, introducing innovative software (Library 2.0), technological wizardry (iPods as museum aides), and even “bib dating.” Efforts continued to… …
64Cryptographic hash function — A cryptographic hash function (specifically, SHA 1) at work. Note that even small changes in the source input (here in the word over ) drastically change the resulting output, by the so called avalanche effect. A cryptographic hash function is a… …
65Padding (cryptography) — In cryptography, padding refers to a number of distinct practices.Classical cryptographyOfficial messages often start and end in predictable ways: My dear ambassador, Weather report, Sincerely yours , etc. The primary use of padding with… …
66Liste De Jeux Famicom — Listes de jeux vidéo 0 9 A B C D E F G H I J K L M N O P Q R S T …
67Liste de jeux Famicom —   Liste des listes de jeux vidéo La liste de jeux Famicom répertorie alphabétiquement tous les jeux sortis pour la console Famicom de Nintendo …
68Liste de jeux famicom — Listes de jeux vidéo 0 9 A B C D E F G H I J K L M N O P Q R S T …
69Normal number — For the floating point meaning in computing, see normal number (computing). In mathematics, a normal number is a real number whose infinite sequence of digits in every base b[1] is distributed uniformly in the sense that each of the b digit… …
70Internet censorship in Australia — Part of a series on Censorship By media …
