Question

The two dimensions of spiral model are

(a) diagonal, angular

(b) radial, perpendicular

(c) radial, angular

(d) diagonal, perpendicular

The question was posed to me by my school principal while I was bunking the class.

This is a very interesting question from Software Evolution in portion Software Evolution of Software Engineering

Answer 1

Correct choice is (c) radial, angular

Easiest explanation: The radial dimension depicts the cumulative costs and the angular dimension depicts the progress made in completing each cycle. Each loop of the spiral model represents a phase.