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Unformatted text preview: Information System-collects, stores, and processes data to provide useful, accurate, and timely information, typically within the context of an organization Organization-a group of people working together to accomplish a goal Business-an organization that seeks profit by providing goods and services Nonprofit organization-an organization formed to accomplish political, social, or charitable goals Mission-the goal or plan of an organization Mission statement-describes an organization’s goals and how they will be accomplished Organizational chart-depicts the hierarchy of employees in an organization Workers-people who directly carry out the organization’s mission Managers-determine organization goals and plan how to achieve those goals Strategic planning-plan of an organization’s long-range goals Tactical planning-incremental goals that can be achieved in a year or less-planned by mid-level managers Operational planning-day to day operations run by low-level managers Structured Problem—an everyday, routine problem-procedure for obtaining the best solution is known Semi Structured problem-less routine than structured problem-procedure for reaching solution is known but involves a degree of subjective judgment to reach Unstructured problem-requires human intuition as the basis for finding a solution Enterprise computer system-integrates several information systems that support a variety of business activities Transaction-an exchange between two parties that is recorded and stored in a computer system Transaction Processing System (TPS)-provides a way to collect, process, store, display, modify, or cancel transactions Batch Processing-collects and holds a group of transactions until the end of a day when the entire batch is processed-used in early TPS Online Processing-a real-time method in which each transaction is processed as it is entered OLTP System-online transaction processing system-uses a commit or rollback strategy to ensure that each transaction is processed correctly Commit-permanently update database records only if every step of the transaction can be successfully processed Rollback-returns the records to their original state if one step fails Detail reports-provides a basic record of complete transactions Management information system-a type of IS that uses the data collected by a transaction processing system and manipulates the data to create reports that managers can use to make routine business decisions in response to structured problems Schedule reports-follow a fixed format and are produced according to a preset timetable Summary report-combines, groups, or total data Exception report-contains information that is outside normal ranges Ad hoc report-customized report generated to supply specific information not available in...
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- Spring '08
- Project Management, Systems Development Life Cycle