Question

__________ are used for documenting the functional requirements for a system?

Answer 1

In Software engineering and systems engineering, a functional requirement is referred to a function of a system or its component. It may be calculations, technical details, data manipulation and processing and other specific functionality. It decides what a system is supposed to accomplish.

So, the answer is ------
___The Product Requirement Document "PRD"_______ are used for documenting the functional requirements for a system