Difference between revisions of "Programs"
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==Etymology== | ==Etymology== | ||
French programme [[agenda]], [[public]] notice, from [[Greek]] programma, from prographein to [[write]] before, from pro- before + graphein to write — | French programme [[agenda]], [[public]] notice, from [[Greek]] programma, from prographein to [[write]] before, from pro- before + graphein to write — | ||
| − | *Date: [ | + | *Date: [https://www.wikipedia.org/wiki/17th_Century 1633] |
==Definitions== | ==Definitions== | ||
*1 [Late [[Latin]] programma, from [[Greek]]] : a [[public]] notice | *1 [Late [[Latin]] programma, from [[Greek]]] : a [[public]] notice | ||
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A '''computer program''' (also a software program, or just a program) is a [[sequence]] of instructions written to [[perform]] a specified task for a computer. 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]]. | A '''computer program''' (also a software program, or just a program) is a [[sequence]] of instructions written to [[perform]] a specified task for a computer. 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]]. | ||
| − | Computer source code is often written by [[professional]] [ | + | Computer source code is often written by [[professional]] [https://en.wikipedia.org/wiki/Computer_programmer computer programmers]. Source code is [[written]] in a programming [[language]] that usually follows one of two main [[paradigms]]: [https://en.wikipedia.org/wiki/Imperative_programming imperative] or [https://en.wikipedia.org/wiki/Declarative_language declarative] programming. Source code may be converted into an executable file (sometimes called an executable program or a binary) by a [https://en.wikipedia.org/wiki/Compiler compiler] and later executed by a [https://en.wikipedia.org/wiki/Central_processing_unit central processing unit]. Alternatively, computer programs may be executed with the aid of an [[interpreter]], or may be embedded directly into hardware. |
| − | Many computer programs may run [[simultaneously]] on a single computer, a process known as [ | + | Many computer programs may run [[simultaneously]] on a single computer, a process known as [https://en.wikipedia.org/wiki/Computer_multitasking multitasking].[https://en.wikipedia.org/wiki/Computer_program] |
[[Category: Computer Science]] | [[Category: Computer Science]] | ||
Latest revision as of 02:18, 13 December 2020
Etymology
French programme agenda, public notice, from Greek programma, from prographein to write before, from pro- before + graphein to write —
- Date: 1633
Definitions
- 1 [Late Latin programma, from Greek] : a public notice
- 2 a : a brief usually printed outline of the order to be followed, of the features to be presented, and the persons participating (as in a public performance)
- b : the performance of a program; especially : a performance broadcast on radio or television
- 3 : a plan or system under which action may be taken toward a goal
- 4 : curriculum
- 5 : prospectus, syllabus
- 6 a : a plan for the programming of a mechanism (as a computer)
- b : a sequence of coded instructions that can be inserted into a mechanism (as a computer)
- c : a sequence of coded instructions (as genes or behavioral responses) that is part of an organism
Computer Program
A computer program (also a software program, or just a program) is a sequence of instructions written to perform a specified task for a computer. 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.
Computer source code is often written by professional computer programmers. Source code is written in a programming language that usually follows one of two main paradigms: imperative or declarative programming. 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.
Many computer programs may run simultaneously on a single computer, a process known as multitasking.[1]
