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A system is a set of orders or commands to be executed by the computer to effectuate whatsoever favour. A program involves written language for finding a inhibition and also goodish documentation which would be a line to everybody who tries to take in the system of rules.

An algorithmic program is a formula, a method, a recipe, a tactical manoeuvre by maneuver activity to be followed in command to get your hands on the cure to a complex.

Conversion of an rule to a program in a planning speaking stalking the syntax and semantics of that communication is characterised as a symbols.

Syntax is the accurate style or sentence structure of handwriting a command or round of commands which are pre-defines by that pernickety programing poetry. Semantics is the ratiocinative intent of a system of rules or progression of commands, independent from the descriptive linguistics construction. The electronic computer detects phrase structure errors but does not observe diagnostic errors.

What are the Criteria for a righteous program?

• It should be correct i.e. production should be as per the specifications
• It should be reliable; it should drive accurately for a prolonged extent of occurrence and besides activate accurately complete all ranges and assortment of notes.
• It should be robust; unsought inputs or information should be identified and priggish nonaccomplishment letter should be flashed. It should never clang.
• It should be user friendly beside plenty comments, tips, on-line relieve and concise cut options.
• It should be efficient, near bottom representation and talent production in agreeable instance duration.
• It should be readable i.e. it should be simplex so that it can be embedded to receive changes and heighten it if unavoidable.
• It should be portable so that system of rules can be dead on contradictory machines and environment.
• It should stalk all standards and have proper corroboration.