Question

When does one decides to re-engineer a product?

(a) when tools to support restructuring are disabled

(b) when system crashes frequently

(c) when hardware or software support becomes obsolete

(d) subsystems of a larger system require few maintenance

I got this question in an international level competition.

My question is based upon Software Re-engineering topic in division Software Engineering types of Software Engineering

Answer 1

Right option is (c) when hardware or software support becomes obsolete

For explanation I would say: Re-engineering involves putting in the effort to make the system easier to maintain.