Difference between revisions of "Computer program"
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* [[Algorithm]] | * [[Algorithm]] | ||
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* [[Command-line interface]] | * [[Command-line interface]] | ||
* [[Computer programmer]] | * [[Computer programmer]] | ||
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* [[Control flow]] | * [[Control flow]] | ||
* [[Execution]] | * [[Execution]] | ||
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* [[Expression (computer science)]] | * [[Expression (computer science)]] | ||
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* [[Programming language]] | * [[Programming language]] | ||
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* [[Software]] | * [[Software]] | ||
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* [https://en.wikipedia.org/wiki/Computer_program Computer program] @ Wikipedia | * [https://en.wikipedia.org/wiki/Computer_program Computer program] @ Wikipedia | ||
| + | * [https://en.wikipedia.org/wiki/The_Art_of_Computer_Programming The Art of Computer Programming] @ Wikipedia | ||
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Latest revision as of 13:41, 22 January 2018
A computer program, or just a program, is a sequence of instructions, written to perform a specified task, or automate the solution to a problem, on a computer.
Contents
Description
A computer requires programs to function, typically executing the program's instructions in a central processor.
The program has an executable form that the computer can use directly to execute the instructions.
The same program in its human-readable source code form, from which executable programs are derived (e.g., compiled), enables a programmer to study and develop its algorithms.
Software
A collection of computer programs and related data is referred to as the software.
Computer programmer
Computer source code is typically written by computer programmers.
Programming languages
Many programming languages exist, for a wide range of purposes.
Programming paradigms
Programming paradigms categorize programming languages. Well-established programming paradigms include:
Source code into executable file
Source code may be converted into an executable file (sometimes called an executable program or a binary) by a compiler and later executed by a central processing unit.
Alternatively, computer programs may be executed with the aid of an interpreter, or may be embedded directly into hardware.
Functions of computer programs
Computer programs may be ranked along functional lines:
Mulitasking
Two or more computer programs may run simultaneously on one computer from the perspective of the user, this process being known as multitasking.
Business models
A computer program can be deemed an industrial or commercial product when that is useful for the concerns of a business model, which involves such aspects as labor, markets, profitability, and quality control.
This is how most proprietary software is classified, though open-source software can also be regarded as a product if a commercial entity specializes in it; e.g. Red Hat, Inc. or SUSE, as both which develop and maintain open source software products.
See also
- Algorithm
- Automatic programming
- Autoload
- Codebase
- Computation
- Computer
- Computer science
- Command-line interface
- Computer programmer
- Constant (computer programming)
- Control flow
- Execution
- Exploit (computer security)
- Expression (computer science)
- File format
- Problem
- Process (computing)
- Programmer
- Programming language
- Programming paradigm
- Remote procedure call
- Rewriting
- Software
- Software development
- Software development process
- Source code
- Statement (computer science)
- Syntax (programming languages)
External links
- Computer program @ Wikipedia
- The Art of Computer Programming @ Wikipedia
