Which model was used during the early stages of software engineering, when prototyping of user interfaces, consideration of software and system interaction, assessment of performance, and evaluation of technology maturity were paramount.
(a) Early design stage model
(b) Post-architecture-stage model
(c) Application composition model
(d) All of the mentioned
The question was asked in class test.
The doubt is from Empirical Estimation Models in section Software Management of Software Engineering