A functional document, also known as functional specification, is a document that specifies the function that a system must perform, mostly regarded in systems engineering and software development. It typically describes what the system needs by the user, including the requested properties of inputs and outputs. It is somewhat similar to a matching requirements document.
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Explanation:
You need to have articles about your topic to help you, also make sure if you take evidence from the article put quotes. You also need to write paragraphs on what ever your writing about. Make sure you have enough evidence and your own opinion. Hope it helps!
