Which of the following statements is not true?

Group of answer choices

In a cloud environment, in exchange for accessing the application, the client purchases the cloud along with necessary hardware and software.

b$.$ The convergence of software and IT infrastructure to an Internet$-$centric environment has enabled the concept of cloud computing to emerge.

c$.$ In its simplest form, a cloud provider is a third$-$party service firm that deploys, manages and remotely hosts a pre$-$packaged software application through centrally located servers in a $$rental$,$ lease or $$pay$-$as$-$you$-$go$$ arrangement.

a$.$ Software has evolved from custom$-$coded, proprietary applications to pre$-$packaged or off$-$the$-$shelf applications and now to the development of Internet$-$centric applications.