1. Contrast the following items:
a. Break-even analysis A type of cost-benefit analysis to identify at what point benefits equal
b. Present value The current value of a future cash flow.
c. Net present value NPV is the difference b
What is information systems analysis and design?
A complex, challenging, and stimulating organizational process that a team of business and
systems professionals use to develop and maintain computer-based information system
1. What is DFD? Why do systems analysts use DFDs?
A data-flow diagram is a picture of the movement of data between external entities and the
processes and data stores within a system. Systems analysts use data-flow diagrams to help
1. Contrast the following terms:
a. Mission a statement in very simple terms what business the company is in.
b. Objective statements A series of statements that express an organizations qualitative and
quantitative goals for reaching a d
1. Describe systems analysis and the major activities that occur during this phase of the systems
development life cycle.
System analysis is a process of collecting factual data, involved processes, identifying problems
and recommending t
1. Describe and compare the various sources of software.
Information Technology Services Firms - When task requires custom support and can't be built
In-house developers - When resources and staff are available and system must