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  2. "Hello, World!" program - Wikipedia

    en.wikipedia.org/wiki/"Hello,_World!"_program

    A "Hello, World!" program is usually a simple computer program that emits (or displays) to the screen (often the console ) a message similar to "Hello, World!". A small piece of code in most general-purpose programming languages , this program is used to illustrate a language's basic syntax .

  3. Rosetta Code - Wikipedia

    en.wikipedia.org/wiki/Rosetta_Code

    Rosetta Code is a wiki-based programming chrestomathy website with implementations of common algorithms and solutions to various programming problems in many different programming languages. [ 1 ] [ 2 ] It is named for the Rosetta Stone , which has the same text inscribed on it in three languages, and thus allowed Egyptian hieroglyphs to be ...

  4. Programming language - Wikipedia

    en.wikipedia.org/wiki/Programming_language

    This is an accepted version of this page This is the latest accepted revision, reviewed on 29 January 2025. Language for communicating instructions to a machine The source code for a computer program in C. The gray lines are comments that explain the program to humans. When compiled and run, it will give the output "Hello, world!". A programming language is a system of notation for writing ...

  5. List of undecidable problems - Wikipedia

    en.wikipedia.org/wiki/List_of_undecidable_problems

    Rule 110 - most questions involving "can property X appear later" are undecidable. The problem of determining whether a quantum mechanical system has a spectral gap. [9] [10] Finding the capacity of an information-stable finite state machine channel. [11] In network coding, determining whether a network is solvable. [12] [13]

  6. Computer programming - Wikipedia

    en.wikipedia.org/wiki/Computer_programming

    Computer programming or coding is the composition of sequences of instructions, called programs, that computers can follow to perform tasks. [ 1 ] [ 2 ] It involves designing and implementing algorithms , step-by-step specifications of procedures, by writing code in one or more programming languages .

  7. Turing (programming language) - Wikipedia

    en.wikipedia.org/wiki/Turing_(programming_language)

    Here is the entire "Hello, World!" program in Turing with syntax highlighting: put "Hello World!" Turing avoids semicolons and braces, using explicit end markers for most language constructs instead, and allows declarations anywhere. Here is a complete program defining and using the traditional recursive function to calculate a factorial.

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  9. INTERCAL - Wikipedia

    en.wikipedia.org/wiki/INTERCAL

    Negative fractions indicate pre-escapes (so 1.-94 means "94 pre-escapes to go before 1.00". Or you can just add the numbers together and get 0.06, which is entirely a coincidence since 0.06 is not being developed) * The fractional part of a perversion number can be integer or floating point, with a similar meaning for the parts.