Question $2$Answer

a$.$

System prototyping methodology is more adaptive than waterfall method.

b$.$

Phased development methodology considers breaking the design and implementation of a project into smaller subprojects that can be carried out concurrently.

c$.$

Parallel development involves producing a prototype of the main system.

d$.$

Parallel methodology involves developing a series of system versions that complete over time $($version$1,$ version $2,$ and so on$).$