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
computer to front-end processor communication
computer-to-computer commu¬nication
None of these

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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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