option 4 is right ans
A. Waterfall model ----->4. Automate the manual system for student record maintenance in a school.
B. Incremental development --->1. e-business software that starts with only the basic functionalities and then moves on to more advanced features.
C. Prototyping---------> 3. A virtual reality system for simulating vehicle navigation in a highway.
D. RAD --------------> 2. An inventory control system for a supermarket to be develop within three months.
incremental SDLC model: Specifies and implements a part of the software, which is then reviewed and further requirements added and implemented in groups
In RAD model the components or functions are developed in parallel as if they were mini projects. The developments are time boxed