1. When describing a system, explain why you may have to design the system architecture before the requirements specification is complete
2. Draw diagrams showing a conceptual view and a process view of the architectures of the following systems:
a. An automated ticket-issuing system used by passengers at a railway station.
b. A computer-controlled video conferencing system that allows video, audio, and computer data to be visible several participants at the same time.
c. 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
3. Assume that the MHC-PMS is being developed using an object-oriented approach. Draw a use case diagram showing at least six possible use cases for this system.
make sure no plagrisiam
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