Question 1 = 150 words
Question 2= diagram
Question 3= diagram

question 1. When describing a system, explain why you may have to design the

system architecture before the requirements specification is

complete.= 150 WORDS

question 2. Draw diagrams showing a conceptual view and a process view of the

architectures of the following systems:

An automated ticket-issuing system 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.

question 3. Assume that the Mental care system is being developed using an

object-oriented approach. Draw a use case diagram showing at least six

possible use cases for this system.

Use this website to draw. It will be simple and easy for you.