Office Information Systems (OIS)
An OIS is an information system that uses software, hardware and networks to improve work flow and allow communications among employees. 1. Software systems used: word processing, spreadsheets, databases, e-mail, Web browsers, Web page authoring and personal information management. 2. Technology systems used: voice mail, fax, videoconferencing and electronic data interchange. 3. Hardware systems used: computers, Internet access, video cameras, speakers, microphones, scanners and fax machines.
Transaction Processing Systems (TPS)
A TPS is an information system that records and analyses data created during a business’s day to day transactions. A transaction in a business are things such as orders, reservations, payments and deposits.
Staff typically use transactional processes by:
1. Recording a business activity such as a customer’s order
2. Confirming an action for example sending a customer a receipt 3. Maintaining data by adding, changing or removing any of the business’s data
Decision Support Systems
A DSS helps to make decisions by reviewing and analyzing data that can help to make statistical projections and data models. This system helps to support manager’s judgments when making a decision which should help to improve the quality of the decision.
Some decision support systems include: query language, statistical analysis capabilities, spreadsheets, and graphics that help you extract data and evaluate the results. Some DSS’s also include capabilities that allow you to create a model of the factors affecting a decision. A model for determining the best product price would include factors for the expected sales volume at each price level.
Expert Systems
An expert system gathers and records the knowledge of human experts and then impersonates human reasoning and