Build a process flow diagram of the use case order placement layer by layer. View layer, data layer, alternate layer, and loop frame should all be included.

Can you draw a DFD diagram for Levels 0 and 1? When constructing the initial DFD level 0, create it so that the workers of that children's daycare have a time stamp that informs them the timetable of their presence and allows them to check in and out. Make it such that it is sent to the manager both during and after work. Also, create a Level 1 DFD that defines the entire daycare system and how it runs, and then create a Level 2 DFD diagram to improve it and establish the fundamentals of what to accomplish.

On requirement engineering process, the most commonactivities are inception, elicitation, elaboration, negotiation, specification, and validation.Explain what would happen if the specification process is ignored and give at least oneexample!