Define information system. What are its characteristics?
What are different types of maintenance and when should they be implemented.
Define interface. What are different methods of interaction? Explain them briefly.
Prototyping is one of the effective methods to determine the requirement. Do you agree with the statement? Justify.
What is cost benefit analysis? Explain different areas that come under intangible benefits.
What is outsourcing? What are the advantages and disadvantages of outsourcing?
What are the different considerations that must be kept in mind to better design forms and reports?
Attempt any TWO questions
[2x10=20]List and define DFD symbols. Draw a DFD up to level-2 for any food ordering system (assume requirements as required).
What is data modeling, Explain conceptual, logical and physical data modeling? Explain normalization up to 3NF.
What are different types of information system? Explain them briefly.