1- Table 4.2 illustrates the evolution of system models during the system development process. Describe how the evolution of requirements documents illustrates the materialization process described in Table 4.1.

2- Look up a definition of the 'scientific method' and relate its steps to those postulated for the systems engineering method. Draw a functional flow diagram of the scientific method parallel to that of Figure 4.11.

4.9 Select one of the household appliances listed below:

• automatic dishwasher
• washing machine

EMSE 6801 - Systems Engineering I