6.4 Draw diagrams showing a conceptual view and a process view of the architectures of the following systems: Answer:

A ticket machine used by passengers at a railway station:

A computer-controlled video conferencing system that allows video, audio, and computer data to be visible to several participants at the same time:


A robot floor-cleaner that is intended to clean relatively clear spaces such as corridors. The cleaner must be able to sense walls and other obstructions: