School of Computer ScienceWestern Illinois University

IS 340 Amaravadi

Review questions

1.What are information systems? Is a weapons system an example of an information system?

2.What are the different levels of management in a firm? What level of management is concerned with the long term direction of the organization?

3.If a global company such as Unilever is organized along product groups, then it is an example of a virtual corporation – T/F.

4.What are examples of systems in the mfg. area?

5.What are examples of TP systems?

6.What are examples of OIS?

7.What should be the purpose of information systems in an organization?

8.What is the purpose of value chain analysis?

9.What are some industry level IT strategies?

10.What is the World Wide Web?

11.What are some firewall techniques?

12.An inventory management system stores its data in a file and also does all updates to it. What is this an example of?

13.What is the purpose of the DNS server?

14.The web server layer handles payments in the e-commerce architecture.

TrueFalse

15.Routers move TCP packets through the internet.

TrueFalse

16.A high speed network to rapidly carry data across geographical distances is called ______.

17.Can you retrieve data from multiple tables in a database? Explain.

18.What is the type of relationship between flights and flight attendants? Between students and courses? Player and contracts?

19.What is the most common type of database model?

20.Hierarchical database models are best suited for type of relationships.

21.What is an example of a relational system?

22.What is the purpose of a data dictionary?

23.Would a “field” in a database be synonymous with the concept of an entity class?

24.What is a schema?

27. The area of AI that would be concerned with garbage removal is: .

28.The area of AI that would be concerned with language processing is: .

29.The most successful branch of AI is .

30. Do vision systems and NLP systems operate on the same principles?

31.What are examples of top down approaches in AI?

32.What sort of systems are able to exhibit intelligence? (answer is not “AI systems” or any of the branches of AI).

33.What is a semantic network also known as?

34.What are other methods to represent knowledge?

35.What is the term used for a person whose knowledge is encoded into an expert system?

36.What is the difference between a knowledge and data?

37.An ATM machine is used to withdraw money and deposit cash. Is this an example of system? Explain.

38.What is SDLC?

39.What is the purpose of the maintenance stage?

40.Prototyping is referred to as the Waterfall approach.

TrueFalse

41.A rectangle open at the top is an example of (a, an) ______in a DFD.

42.What is the purpose of Enterprise Analysis?

43.A DFD is derived from a structure chart.

TrueFalse

44.KPIs are used to design structure charts.

TrueFalse

45.For a car manufacturer, one KPI could be # of visitors going online to find out about its products. Discuss.