Management Information Systems
Which of the following is not tree about expert systems?

Export systems are expensive to design.
Maintenance support may be difficult to obtain for an expert system.
export systems are usually designed to run on small general-purpose computers
Expert systems are collections of human knowledge
None of these

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Management Information Systems
Which of the following is not a basic configuration used in a data communication network?

communication through a data switch
computer/peripheral-device configuration
None of these
computer-to-computer commu¬nication
computer to front-end processor communication

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Management Information Systems
Which of the following is(are) true concerning information-system careers?

the number of information-system specialists recruited is expected to be greater than any other profession in the 1990s.
None of these
both (a) and (b)
the primary reason for this increase is the declining cost of hardware
an information-system career is one of the few area that is recession-proof

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