Management Information Systems
The common practice is to maintain

two generations of data files
batch processing
three generations of data files
None of these
one generation of data files

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Management Information Systems
The Management Information System (MIS) provides timely and effective information to support decision making and other necessary management functions. Can you point out the sub-system which does not being to the MIS?

Operational Tectical System
Decision Support System (DSS)
Automated Office System
None of these
Data Communication System

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