Systems Analysis and Design

1 Using cash withdrawal from an ATM machine as a model Identify: i. 2 agents or sources/sinks, 2 data stores and iii. 4 processes. ji. 2 Commercial Off the Shelf (COTS) Software. Explain what COTS is. 3 4 Identify a situation in which you might use COTS in a project. What effect will using COTS have on the number of developers? on the amount of programming needed? What must a project manager do when she recognizes as the project progresses that the estimates of the duration of some tasks on the critical path were too low? What actions can she initiate to bring the project back on schedule? Which of the four phases of the project management process (project initiation, project planning, project execution and project closedown) do you feel is the most challenging? Why? 5 6 Explain the critical path for a project a definition and how it is developed. How would you assess the economic feasibility of a project? That is, how would you determine whether, at the existing level of knowledge, the project has a good economic case? 8 A successfully implemented project has features. Identify 2 features that relate to its use; and one feature that relates to its business impact