Explain different components of data flow diagram (DFD) with example. Draw context diagram and data flow diagram for a retail store in a mall which sells different items to its customers. [10]
2.
Explain joint application design (JAD) approach to collect information requirements for developing information system. [5]
Design
1.
Why do we need ER diagram during information system development? Explain with example. [5]
2.
How do you format forms and reports? Explain. [5]
3.
What are the benefits of object-oriented database? What is object identity? [5]
Foundations for Systems Development
1.
Why do we need system development life cycle (SDLC)? Explain each phase of SDLC in detail. [10]
2.
What is spiral development approach? Explain. [5]
Implementation and Maintenance
1.
Why software testing in important? Explain any three software testing techniques. [5]
2.
Write short notes on: a. Object Oriented development b. System maintenance [5]
Planning
1.
What is feasibility study? Explain different types of feasibility tests in detail. How do you measure economic feasibility? [10]
2.
How do you represent project schedules? Explain. [5]
3.
Explain process of initiating and planning information system development project in brief. [5]