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45 Cards in this Set
- Front
- Back
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Byte
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Charcter
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Record
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Collection of Related Data fields
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Social Security number
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Best primary Key
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Data Cleanup
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develop data that is accurate and complete
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Relational Model
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Most popular database model
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Data Warehouse contains
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3-10 years of current and historical data
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Network Interface Card
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required to connect a personal computer on a LAN
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File Server
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keeps everything on one host comp using an architecture
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Electronic Software Distribution
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Send software upgrades to users over the network
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Internet originated from
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U.S. Department of Defense
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Largest # of internet Users
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US
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Cover Page =
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Home page
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Ebay
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C2C e-commerce site
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Electronic Distribution
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eliminates inventory probs
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Successful e-commerce model
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Content, Commerce, Community
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Web Log File
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records info regarding customer visits to a web site
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Biometric Device
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encodes physical attributes and associates them w/ bological attributes
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Safe Harbor principles
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address data privacy issues
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Batch Processing
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processes lots of transactions at once
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TPS one objective
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error-free data input and processing
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Routing System
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determines routes for shipping
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ERP
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real-time monitoring business functions
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SDLC
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Planning, Analysis, Design, Implementation, Maitenence
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First Step in Prob Solving
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Intelligence
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Drill-Down
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Report w/ weekly overtime figures
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Exception Report
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everytime inventory levels drop
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DSS
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Handle large amounts of data from different sources
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What-If-Analysis
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Making Hypothetical changes to problem data
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Model Base
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Part of DSS- shows variety of models and assists them in decision making
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ESS
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tailored to individual exeutive's preferences
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Layers of Executive Decision Making
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Board of Directors (top), President, Functional Area VPs, Functional Area Managers
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Intelligent Behavior
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Ability to learn from experiences
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Vision Systems
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work w/ robots to give machines sight
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Learning System
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allows comp to change how it reacts based on Feedback
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Knowledge Base
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Stores Relevent info., etc. used by expert system
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Fuzzy Logic
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Allows shades of gray rather than yes/no answers
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Knowledge User
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uses expert system
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CAVE
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illusion of immersion by projecting stereo images
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Systems analyst
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Only person who sees entire system
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System Development Life Cycle
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Strategic Plan, Information Systems Planning, System Development Initiatives, Systems Maintenance and Review
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Prototyping
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Iteration Charts
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Project Milestone
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Critical Date for Completion of a part of project
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Gantt Chart
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Shows project activities w/ graphical representations of time
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Direct Observation
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Watching a system over a period of time
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Data- Flow Diagram
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related objects, associations, activities
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