Why do systems analysts use DFDs? Draw context diagram and data flow diagram up to level 1 for a retail clothing store in a mall that sells different clothes to its customers. Make necessary assumptions.[10]
2.
Explain object-oriented analysis and design in brief.[5]
3.
Explain interviewing and listening technique for determining requirements.[5]
Design
1.
Explain decision table with example.[5]
2.
Define conceptual data model. Explain logical database design in brief.[5]
3.
Describe the process of designing interfaces and dialogues.[5]
Foundations for Systems Development
1.
Define systems development methodology and systems development life cycle. Explain each phase of systems development life cycle in detail with appropriate diagram.[10]
2.
What is systems analysis and design?Explain modern approach to systems analysis and design in brief.[1.5+3.5]
Implementation and Maintenance
1.
What are different approaches to installation? Which is the most expensive?[5]
Planning
1.
Explain the process of identifying and selecting information system development projects. What are its deliverables and outcomes?[10]
2.
Describe several project evaluation criteria while classifying and ranking projects.[5]
3.
What is economic feasibility? List commonly used cost-benefit analysis techniques.[5]