Commands to be dead－itluciano的部落格

A system is a set of mission or commands to be dead by the computing machine to carry through a number of favour. A programme involves symbols for determination a tribulation and too well-mannered confirmation which would be a line to a person who tries to have a handle on the program.

An formula is a formula, a method, a recipe, a tread by manoeuvre etiquette to be followed in command to secure the solution to a nuisance.

Conversion of an formula to a programme in a programming vernacular subsequent to the syntax and semantics of that linguistic communication is defined as a written communication.

Samples:
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Syntax is the exact practice or synchronic linguistics of verbal creation a direct or array of commands which are pre-defines by that peculiar scheduling speech. Semantics is the questioning objective of a system or ordination of commands, abstracted from the grammatical construction. The computing machine detects sentence structure errors but does not sight ratiocinative errors.

What are the Criteria for a well-mannered program?

It should be correct i.e. production should be as per the specifications
It should be reliable; it should function accurately for a long interval of clip and also activate suitably done all ranges and concurrence of assemblage.
It should be robust; unloved inputs or data should be known and decent unsuitability message should be flashed. It should ne'er clangor.
It should be user friendly near ample comments, tips, on-line aid and concise cut options.
It should be efficient, with nominal representation and point yield in proper example duration.
It should be readable i.e. it should be elemental so that it can be buried to trademark changes and deepen it if sought after.
It should be portable so that system of rules can be executed on polar machines and situation.
It should pursue all standards and have proper corroboration.