21. Which of the following is not usually characteristic of upper management decisions?

A. Decisions require judgment
B. Decisions are structured
C. Decisions are long range
D. Decisions are unpredictable
E. Decisions require experience

22. An MIS can be developed by

A. a fire department
B. a college testing service
C. an ocean transportation company
D. All of the above
E. None of the above

23. Pictographs called _____ help systems to be more user friendly.

A. people
B. icons
C. information system
D. on-line
E. None of the above

24. A popular technique for forecasting is

A. correlation analysis
B. regression analysis
C. linear programming
D. Monte Carlo
E. None of the above

25. In computer based information system (CBIS), DFD stands for:

A. data flow diagram
B. data flow descent
C. dotted flow diagram
D. such a terminology does not exist in CBIS
E. None of the above