Management Information Systems
The word 'linear' in linear programming is used to describe:

relationship among two or more variable which are directly proportional
relationship among two or more variables in a straight line
relationship among two or more variables is linear
None of these
All of these

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

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

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