Which of the following is suitable as a description of a particular software development method?
a) RAD is a method whereby the software development steps are partitioned into several stages, and development progresses while the output from the previous step is used as the input for the next step.
b) The spiral model is a development method whereby an existing system is repeatedly revised to improve the software.
c) Prototyping is a short-term system development method designed for “fast, inexpensive, high-quality” systems development. It incorporates the use of CASE tools and the like.
d) Round trip is a method in object-oriented development. In this method analysis, design and programming are repeated a number of times to complete development through trial and error.