Management Information Systems
A variable that has no physical meaning and is used to obtain an initial basic feasible solution to a linear programming problem is known as:

algorithm
basic variable
artificial variable
None of these
basis

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Management Information Systems
Which of the following is true of parallel transmission?

All of these
It involves the simultaneous transmission of eight bits.
Most microcomputers commu¬nicate with other computers in this mode.
It is slower than serial trans¬mission.
The speed is quoted in bits per second.

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