OFFICE AUTOMATION SYSTEM
OAS refers to the user mechanical, electrical, & electronic devices to enhance communication in the work place & increase the efficiency & productivity of knowledge workers or clerical
workers. OAS includes:
It is use of an electronic device that automatically performs many of the tasks necessary to create written document such as letters, memo, & report that are directed to the manager.
Electronic mail known as E-mail. It is the use of a network computer that allows users to send, store, and receive messages using the computers terminals & storage devices. It sends mail electronically from one computer to other.
Voice mail is just like electronic mail & performs storing, accessing, retrieving, and distributing
messages using the telephone.
Audio conferencing is the use of voice communication equipment to establish an audio link between geographically dispersed persons for conducting a conference. The conference call, which allows more than 2 people to participate in a telephone conversation, was the first form of audio conferencing & is still in use.
It is the use of television equipment to link geographically dispersed conference participants to engage in face to face communication. The equipment provides for audio as well as video linkage.
Computer conferencing is the use of a network computer to all members of a problem solving
team to exchange information concerning the problem that is being solved.
It is includes all three forms of electronically aided conferencing audio, video & computer.
Facsimile transmission popularly known as fax is the transfer of written or pictorial information
the use of special equipment that can read a document image at one end of a communication
channel & make a copy at the other end.
Desktop publishing is the use of a computer to prepare printed output, using software with
sophisticated publishing capability.
It is the use of the computer for displaying a stored narrative & graphic material on a CRT screen.
Imaging is the use of optical character recognises to convert paper or microfilm records to a digital format for storage in a secondary storage device for easy retrieval & processing.
Multimedia system are well integrated systems that store, retrieve, & process different types of data such as test, graphics, image, full motion video, audio, & animation.
It helps users to create, process, share, & display information in a broad variety of formats.
CHARACTERISTICS OF INFORMATION SYSTEM
Transaction Processing System (TPS)
Input: Transaction related data.
Processing: Use procedure & rules.
Output: Summaries of transaction.
Users: Lower-level managers.
Application: Sales transaction applications, Credit & payment, Insurance claims.
Management Information System (MIS)
Input: Output from TPS & other internal data.
Processing: Measures & monitors operational performance.
Output: Summary & exception reports.
Users: Middle level managers.
Application: Monthly production report.
Intelligent Support System (ISS)
Input: Internal & external data & models.
Processing: Interactive ad-hoc reporting.
Output: Alternatives & Analysis reports.
Users: Top managers.
Application: Investment portfolios.
Office Automation System (OAS)
Input: Data & information.
Processing: Formatting, Summarizing & Displaying.
Output: Document, Graphics, Multimedia.
Users: Knowledge & Clerical workers.
Application: Fax, Multimedia, Video conferencing.