Each programming language has its own which is a set of rules that must be strictly followed when writing a program

Syntax is the correct answer for the above question.

Explanation:

When any user wants to write any program (which can be called a set of instructions), then he needs to follow the syntax of that programming language.Programming language is a set of rules defined by the generator of that program. In any programming language, there is a compiler that understands the meaning of any line. The above question asked what is a set of rules in any programming language. The answer is Syntax.

Ibelieve its true but not sure hope this .

Solution: the categorization of functional and non-functional requirement are as follows: some of the more typical functional requirements include: • business rules• transaction corrections, adjustments and cancellations• administrative functions• authentication• authorization levels• audit tracking• external interfaces• certification requirements• reporting requirements• historical data• legal or regulatory requirementswhile,some typical non-functional requirements are: • performance – for example response time, throughput, utilization, static volumetric• scalability• capacity• availability• reliability• recoverability• maintainability• serviceability• security• regulatory• manageability• environmental• data integrity• usability• interoperability