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GENERAL PURPOSE INFORMATION SYSTEMS

These are enterprise-wide systems used by one or more functional

units. Such systems provide data sharing among various functional units

and provide a more up-to-date and accurate view of what is happening in

the organization. The five of general-purpose information systems are 1)

Office information system 2) Transaction processing system, 3)

Management information system 4) Decision support system 5) Expert

systems.

OFFICE INFORMATION SYSTEM (OIS)

It is an information system that is used by employees to perform

their tasks using computers and other electronic devices. These systems

help increasing employee productivity and boost communication among

employees.

Almost every organization has some form of OIS. Some typical

office automation system includes Document Management System,

Message handling System, Teleconferencing system, and Office support

system.

Typical application programs used in OIS are Word Processors,

Spreadsheets, Databases, Presentation, E-mail, Web browser, Web Page

Authoring, etc. OIS also includes communication technology such as

voice, mail, fax, video conferencing, and electronic data interchange.

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