Management Information Systems
The number of management layers in a firm is determined by

the degree of unity in the command
the number of managers in the firm
the span of control
the scalar principle
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?

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

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