Which statement about the technology life cycle is true?

Select one:

a$.$ A technology life cycle can be made up of many individual product life cycles.

b$.$ The technology life cycle is represented by a V$-$shaped pattern.

c$.$ The developments in a technology life cycle must always be big innovations.

d$.$ The technology life cycle starts with a small change followed by increasingly larger ones.

e$.$ Over the span of the technology life cycle, the technology gets more difficult to use.