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29 Cards in this Set
- Front
- Back
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Information technology (IT) |
Combination of hardware software and services that people use to manage communicate and share information |
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System analysis and design |
Step by step process of developing IT solutions |
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Systems analysis |
Members of IT who plans, develops, and maintains information systems |
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System |
Set of related components that produces specific results |
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Mission critical system |
One that is vital to a company's operations |
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Data |
Raw material of information fed to a system |
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Information |
Data that has been transformed into output that is valuable to users |
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Hardware |
Physical layer |
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Horizontal system |
System such as inventory or payroll application that can adapt for use in many different companies |
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Vertical system |
Designed to meet unique needs of a company |
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Legacy system |
A system that is dated but can work with current systems |
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Processes |
Describes the tasks and business functions that users managers and it staff perform to create results |
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Electronic data interchange |
Dated computer to computer data transfer |
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Business profile |
An overview of a company mission,functions, organization, products, services, customers, suppliers, competitors, constraints, and future direction |
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Business process |
Specific set of transactions events and results that can be described and documented |
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Business process model (bpm) |
Graphic of business processes |
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Enterprise resource planning (ERP) |
Cost effective support for users and managers throughout the company |
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Transaction processing (TP) |
Process data generated by day to day business operations |
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Business support systems |
Provide job related information support to all users |
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Management information systems |
Systems used by management |
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Knowledge base |
Large database users use to find information by entering keywords |
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Inference rules |
Logical rules that identify data patterns and relationships. |
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Modeling |
Graphical representation of a concept or process that systems developers can analyze test and modify |
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Business model |
Information a system must provide. |
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Prototype |
Early working version of an information system |
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System design phase |
Physical model that will satisfy all documented requirements for a system |
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System implementation |
System is done being designed and is now tried and evaluated |
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System support and security |
IT staff maintains enhances and protects a system |
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Scalable design |
Can expand to meet new business requirements and volumes |
