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

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

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Management Information Systems
Which of the following is not a primary reason for the popularity of decision support systems?

advent of data-base management systems
increased number of programmers
management trained in analytic techniques
declining cost of computer hardware
increased number of software packages

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

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

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