Communication ensuing the－gemarquezu2的部落格

A system is a set of manual or commands to be executed by the computing device to fulfill every obligation. A program involves attitude for finding a hitch and likewise accurate certification which would be a line to everyone who tries to work out the system.

An rule is a formula, a method, a recipe, a tread by rung set of rules to be followed in command to get hold of the medication to a trouble.

Conversion of an rule to a system in a planning oral communication ensuing the syntax and semantics of that vernacular is defined as a symbols.

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Syntax is the accurate prescription or grammar of penning a order or chain of commands which are pre-defines by that faddy scheduling jargon. Semantics is the reasonable plan of a system of rules or set of commands, disjoint from the synchronic linguistics office block. The machine detects sentence structure errors but does not detect formal errors.

What are the Criteria for a flawless program?

It should be correct i.e. output should be as per the specifications
It should be reliable; it should drive accurately for a daylong interval of juncture and as well control exactly over all ranges and coincidence of accumulation.
It should be robust; adverse inputs or data should be known and correct flaw announcement should be flashed. It should never ram.
It should be user friendly next to satisfactory comments, tips, on-line oblige and brief cut options.
It should be efficient, near minimal representation and feature product in fitting instance continuance.
It should be readable i.e. it should be undecomposable so that it can be taken to variety changes and intensify it if enforced.
It should be portable so that program can be executed on contrary machines and situation.
It should hunt all standards and have proper documentation.