Management Information Systems
The amount of a certain product sold to a certain customer in a past period can be obtained from the

inventory file
customer file
sales history file
None of these
All of these

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

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

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