Question:
Network diagrams combine with a set of systematic analysis procedures, serve to remedy the shortcomings of the Gantt chart. Explain the following terms used in the network analysis and network representation of a project.
i. Activity
ii. Nodes (Events)
iii. Path
iv. Critical Path
v. Time Duration
(b) (i) What is a model and its purpose?
(ii) What are the benefits of using a model?
(iii) Briefly explain the four types of models.