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Transcript of Transaction Processing Systems A transaction is a record of an event that signifies a 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
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Fig. 13.1 Transaction Processing Systems
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Examples of basic manufacturing/production systems are:
materials purchasing
receiving
shipping
process control
numerical control
equipment
quality control
labor costing
robotic systems
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Examples of basic sales/marketing systems are: sales
telemarketing
order processing
point-of-sales systems
credit authorization
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Figure 13.4 Amazon.com Order Processing System
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Examples of basic finance/accounting systems are: accounts receivable
accounts payable
general ledger
payroll
cash management
loan processing
check processing
securities trading
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Examples of basic human resource systems are: personnel record keeping
applicants tracking
positions listing
training and skills
benefits
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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?
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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
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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
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Figure 16.2 Four Functions of Management
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Figure 16.4 Manager’s Time
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3 roles of a manager
1. Interpersonal– figurehead, leader, liaison
2. Informational– monitor, spokesperson, disseminator
3. Decisional– entrepreneur, mediator, resource allocator,
negotiator
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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
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Figure 16.5 An MIS
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Figure 16.7 An DSS
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Figure 16.9 An ESS
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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
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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