Ggest the most suitable generic software process model that cab be useful as a basis for the development of following systems. Provide reasons for your answers.
a. A complex real time system whose requirements can be relatively easily identified and are stable.
b. A website for university library. Requirements are vague and are likely to change in the future.
c. An order processing system with a website for local business. Requirements are vague but unlikely
to change in the future and thus stable.