21. An Information system that responds immediately to the needs of the physical system is called a(n)

A. inline system
B. online system
C. offline system
D. realtime system
E. None of the above

22. Computer information systems are most successful in providing information for:

A. control decisions
B. planning decisions
C. strategic decisions
D. nonprogrammable decisions
E. None of the above

23. The online hotel reservation systems having database capabilities are a good example of

A. database management system (DBMS)
B. marketing information system
C. manual information system
D. managerial information system.
E. None of the above

24. A variable that has no physical meaning and is used to obtain an initial basic feasible solution to a linear programming problem is known as:

A. basis
B. algorithm
C. artificial variable
D. basic variable
E. None of the above

25. Computer-based traffic control systems are implemented at the _____ level of government.

A. Local
B. Top
C. bottom
D. Top-to-bottom
E. None of the above