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What is the language used for describing specifications?
A specification language is a formal language in computer science used during systems analysis, requirements analysis, and systems design to describe a system at a much higher level than a programming language, which is used to produce the executable code for a system.
What are the fundamental of language specification?
A specification language is a formal language used in computer science. Unlike most programming languages, which are directly executable formal languages used to implement a system, specification languages are used during systems analysis, requirements analysis and systems design.
How do you specify a programming language?
The grammar needed to specify a programming language can be classified by its position in the Chomsky hierarchy. The syntax of most programming languages can be specified using a Type-2 grammar, i.e., they are context-free grammars.
Why a programming language Cannot serve as a specification language?
Some specification languages have a mathematical foundation, and are therefore called formal specification languages. Algorithm abstraction is obtained in specification languages by means of implicit definitions which are impossible to use in programming languages because (in general) they are not executable.
What are formal specification languages?
A formal software specification is a statement expressed in a language whose vocabulary, syntax, and semantics are formally defined. The need for a formal semantic definition means that the specification languages cannot be based on natural language; it must be based on mathematics.
What is a specification in coding?
A specification is a technical contract between a programmer and his/her client and is intended to provide them with a mutual understanding of a program. A client uses the specification to guide his/her use of the program; a programmer uses the specification to guide his/her construction of the program.
What are the types of specification?
Detailed Specifications.
- General Specifications. General Specifications are also known as Brief Specifications.
- Detailed Specifications. Detailed Specifications shows, in the detailed description, characteristics, quantity, ratio and formation method of the material used in construction work.
What is formal specification languages?
What is formal specification language?
What is Z specification language?
Z is a model oriented formal specification language based on Zermelo-Fränkel axiomatic set theory and first order predicate logic. It is a mathematical specification language, with the help of which natural language requirements can be converted into mathematical form.
What is the definition of specification and description language?
Specification and Description Language ( SDL) is a specification language targeted at the unambiguous specification and description of the behaviour of reactive and distributed systems .
Can a language be implemented without a specification?
However, languages are still occasionally implemented and gain popularity without a formal specification: an implementation is essential for use, while a specification is desirable but not essential (informally, “code talks”).
Why are there problems with programming language specification?
The imprecision of natural language as a vehicle for describing programming language semantics can lead to problems with interpreting the specification. For example, the semantics of Java threads were specified in English, and it was later discovered that the specification did not provide adequate guidance for implementors.
What is the definition of a programming language?
From Wikipedia, the free encyclopedia In computing, a programming language specification (or standard or definition) is a documentation artifact that defines a programming language so that users and implementors can agree on what programs in that language mean.