What are Functional and Non Functional Requirements in Software Engineering?

Submitted by: Administrator
Functional Requirements are the Expected functionality or services from the system.
Non - Functional Requirements are System property and constraints. Now Constraints can be on requirements itself. Some examples are of Response time, 24X7 availability of the system etc.
Submitted by: Administrator

functional reqirements are set of inputs, outputs, accuracy, performance, modifiability of a system

non functional reqirements are characteristics of objectives
Submitted by: Punugupatiguru

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