Software Project Requirements Documentation: The method of establishing the services required by customer from a system is nothing but Software Requirement and also, the constraints under which it is developed and operated. The descriptions of the system services are the requirements and constraints which are generated during the requirements engineering process.
When a company leads a contract for a software project then it should mention its needs in an abstract method that a solution is not pre-defined. The requirements should be written such that many contractors should be able to bid for the offering, contract, different methods of interacting with the client needs. This method may be called requirements for the system.
It may vary from a high-level abstract statement of a system constraint to a complete mathematical functional specification. This is inevitable because requirements may provide a dual function. It should be open to interpretation. It must be defined in detail. Combining these statements is called requirements.
There are two kinds of requirements. They are User requirements and System requirements. User requirement is statements in natural language and diagrams of the services and its operational constraints. It is written for customers. A detailed description of the system’s functions, services, and operational constraints is system requirement. It defines what must be implemented between client and contractor.
Conclusion:
Requirement is set out in such a way that the system should define and do constraints on its implementation and operation. The set out services provided by the system is Functional requirements. The system being developed or development process is constrained by Non-functional requirements. User requirements are high-level statements which are used by system. It should be written with natural language, tables and diagrams. System requirements are used to communicate the functions provided by the system. A software requirements document is an agreed statement of the system requirements.
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