COMPUTER SCIENCE AND ENGINEERING
SOFTWARE ENGINEERING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Functional
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Non-Functional
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Known Requirement
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None of the above
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Detailed explanation-1: -“Consider a system where, a heat sensor detects an intrusion and alerts the security company.” What kind of a requirement the system is providing ? Explanation: Functional requirements describe what the software has to do.
Detailed explanation-2: -A functional requirement is a statement of how a system must behave. It defines what the system should do in order to meet the user’s needs or expectations. Functional requirements can be thought of as features that the user detects.
Detailed explanation-3: -System requirements describe what the system shall do whereas the user requirements (user needs) describe what the user does with the system. System requirements are classified as either functional or non-functional (supplemental) requirements in terms of functionality feature of the requirement.
Detailed explanation-4: -Non Functional Requirements Examples Each page must load within 2 seconds. The process must finish within 3 hours so data is available by 8 a.m. local time after an overnight update. The system must meet Web Content Accessibility Guidelines WCAG 2.1. Database security must meet HIPAA requirements.