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4GL is an example of ______________ processing.(a) White Box(b) Black Box(c) Functional(d) Both Black Box & FunctionalI got this question in an online quiz.This key question is from Fourth Generation Techniques topic in portion Software Processes, Models and Agile Software Development of Software Engineering

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Right answer is (d) Both BLACK Box & FUNCTIONAL

The best explanation: Functional processing/testing is ALSO referred to as black box testing in which CONTENTS of the black box are not known.Almost anything might be referred to as a black box:an algorithm or the HUMAN mind.Functionality of the black box is understood in terms of its inputs and outputs.



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