What is a Requirement?
Essentials of IEEE Definitions of Requirement
1. A condition or capability needed by a user to solve a problem or achieve an objective 2. A condition or capability that must be met or possessed by a system or system component to satisfy a contract, standard, specification, or other formally imposed document
Requirement
A specification that must be met or satisfied
Verb Commonly Used for Functional Requirements
Indicate
Constraints
Limitations or restrictions on the system design or implementation
Other Expectations Important for Analysts to Find Out
Non-functional requirements
Questions Not Good to Ask Users
Questions that are not helpful in determining requirements
Functional Requirements
Requirements that describe what the system should do
Not Necessarily a Requirement
Something that is not essential or mandatory
Qualifying the Word 'Requirements'
To provide more specific details and characteristics