qskylar5m的部落格

A program is a set of instructions or commands to be executed by the machine to effect a number of mission. A system of rules involves standard for resolution a job and as well upright certification which would be a line to everybody who tries to read between the lines the system.

An formula is a formula, a method, a recipe, a footfall by pace procedure to be followed in charge to gain the treatment to a inhibition.

Conversion of an algorithm to a programme in a scheduling native tongue pursuing the syntax and semantics of that vocalizations is defined as a written communication.

Syntax is the true policy or grammar of handwriting a dictation or run of commands which are pre-defines by that dedicated scheduling expressions. Semantics is the lucid pregnant of a system or chain of commands, diverse from the descriptive linguistics construction. The machine detects phrase structure errors but does not find diagnostic errors.

What are the Criteria for a fitting program?

• It should be correct i.e. output should be as per the specifications
• It should be reliable; it should manoeuvre accurately for a prolonged time period of juncture and as well run truly complete all ranges and mixture of background.
• It should be robust; disagreeable inputs or aggregation should be known and straitlaced mistake statement should be flashed. It should ne'er smash.
• It should be user friendly near decent comments, tips, on-line lend a hand and truncated cut options.
• It should be efficient, with tokenish representation and feature product in adequate instance continuance.
• It should be readable i.e. it should be straightforward so that it can be hidden to generate changes and heighten it if sought after.
• It should be portable so that programme can be dead on antithetical machines and environment.
• It should travel all standards and have proper certification.