Lecture Exam Monday, Nov. 1 st 5:30 - 7:00 n bring a blue bubble sheet n lab sections 10, 11, 12 take test in Classroom Building 302 n lab sections 13, 14, 15 take test in Classroom Building 304 n lab sections 16, 17, 19 take test in Classroom Building 201 n lab sections 20, 21 take test in n Classroom Building 211

Business Systems

Categories n Transaction Processing Systems n Information Systems n Office Systems n Design and Manufacturing Systems n Artificial Intelligence

Transaction Processing Systems n handles an organization’s business transactions n provides a current record of the company’s activities n processed information is stored in a database

Typical Transactional Processing Operations n payroll systems n order entry n inventory control n accounts receivable n accounts payable n general ledger

Information Systems n developed to help managers make decisions by providing them with information n information needs vary depending upon the management level

Managers and Information Needs n Top level management –strategic planning –unstructured decisions n Middle level management –tactical planning –semi-structured decisions n Lower level management –operational planning –structured decisions

Information Reporting Systems n support structured decision making primarily at the lower and middle management levels n information is usually in the form of computer generated, preformatted reports n information for the reports comes from the database generated by the transactional processing system

Types of Reports n Scheduled Reports –categorize and summarize information –automatically produced on a regular basis –widely distributed throughout the organization

Types of Reports (cont.) n Exception Reports –inform management of unusual happenings –automatically produced if something atypical occurs –useful for early detection of problems

Types of Reports (cont.) n Demand Reports –specialized reports that a manager requests on a particular subject –produced upon request –fill irregular needs for information

Decision Support Systems n provide middle and upper level managers with tools for organization and analysis of information n useful for users who want to create their own decision models and output formats n oriented toward present and future events

Decision Support Systems (cont.) n provide access to both internal and external information sources n contains productivity software such as spreadsheets and database management systems n often includes software used for forecasting, optimization, and simulation

Executive Information Systems n customized decision support systems used by top level managers n highly personalized n designed for ease of use –GUI –mouse selection or touch screen –voice recognition devices

Group Decision Support System n sometimes called workgroup computing n several people routinely interact through a computer network to solve common problems

Office Systems n use computer technology to increase productivity throughout the entire organization (office automation) n includes a wide variety of technologies

Office Systems (cont.) n document processing n electronic mail n desk accessories n decision support tools n teleconferencing n telecommuting

Design and Manufacturing Systems n Computer-Aided Design (CAD) n Computer-Aided Manufacturing (CAM) –robotics n Computer-Integrated Manufacturing (CIM) –enables CAD, CAM, and other business activities to be tied together by computers

Artificial Intelligence n Expert Systems n Natural Languages n Vision Systems n Robotics