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Transaction Processing Systems. A transaction is a record of an event that signifies a business exchange A transaction processing system is a basic business system that support the functions of Recording Monitoring Evaluating the basic activities of the business.
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Transaction Processing Systems • A transaction is a record of an event that signifies a business exchange • A transaction processing system is a basic business system that support the functions of • Recording • Monitoring • Evaluating • the basic activities of the business
Examples of basic manufacturing/production systems are: • materials purchasing • receiving • shipping • process control • numerical control • equipment • quality control • labor costing • robotic systems
Examples of basic sales/marketing systems are: • sales • telemarketing • order processing • point-of-sales systems • credit authorization
Examples of basic finance/accounting systems are: • accounts receivable • accounts payable • general ledger • payroll • cash management • loan processing • check processing • securities trading
Examples of basic human resource systems are: • personnel record keeping • applicants tracking • positions listing • training and skills • benefits
Questions to ask • Where does the system obtain its data? • What does the system do with the data? • What problems does the system solve? • What differences does the system make?
Office Automation Systems • Data work: use, manipulate, or disseminate information • Knowledge work: create new information using judgment & creativity • Discipline/Principle/Profession/Certification • Office work: coordinate & integrate workers from different functional areas
An office automation system is any application of information technology that increases the productivity of office workers • document management • word processing • desktop publishing • electronic communications • electronic scheduling • data management • project management
3 roles of a manager • Interpersonal • figurehead, leader, liaison • Informational • monitor, spokesperson, disseminator • Decisional • entrepreneur, mediator, resource allocator, negotiator
Management Support Systems • MIS: summarize & report on the basic operations of a company • DSS: provide data & models interactively to support semi-structured problem solving • EIS: provide data from both internal & external sources to support unstructured problem solving
Artificial Intelligence: the study of how to make computers to do things that require some level of intelligence: • Learn/understand from experience • Acquire & retain knowledge • Respond quickly & successfully to new situations • Solve problems
Expert Systems • Solve problems that require expertise • Use facts and reasoning (rules of thumb) • Explain what it knows and its reasoning process 3 components: • Knowledge base • Inference engine • User interface