Computer Macro





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Computer Macro

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Macros - Keyboard - Programming - Scripting

Virus - Computer Languages - Procedural macros - Syntactic macros






Computer Macro

Computer Macro

A macro (short for macroinstruction, from Greek long) in computer science is a rule or pattern that specifies how a certain input sequence (often a sequence of characters) should be mapped to a replacement output sequence (also often a sequence of characters) according to a defined procedure. The mapping process that instantiates (transforms) a macro use into a specific sequence is known as macro expansion. A facility for writing macros may be provided as part of a software application or as a part of a programming language. In the former case, macros are used to make tasks using the application less repetitive. In the latter case, they are a tool that allows a programmer to enable code reuse or even to design domain-specific languages.

Macros are used to make a sequence of computing instructions available to the programmer as a single program statement, making the programming task less tedious and less error-prone. (Thus, they are called macros because a big block of code can be expanded from a small sequence of characters.) Macros often allow positional or keyword parameters that dictate what the conditional assembler program generates and have been used to create entire programs or program suites according to such variables as operating system, platform or other factors. The term derives from macro instruction, and such expansions were originally used in generating assembly language code.

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Articles Relating to Computer Macro:

Macros Keyboard Programming Scripting
Virus Computer Languages Procedural macros Syntactic macros
Early Lisp macros Hygienic macros Applications

Computer Macro Books

Macros Keyboard Programming Scripting
Virus Computer Languages Procedural macros Syntactic macros
Early Lisp macros Hygienic macros Applications

Computer Macro





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