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HB 337: EXAM 1
Technology
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Automation of a traditional process (Hotel Reservation processing)
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Restaurant POS processing
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-manual entry
-POS workstation
-self service (kiosk, mobile)
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Revenue management
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airline dynamic pricing (more expensive with Mac)
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Auto posting of charges
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posts charges to account, automatically integrated app
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Hotel technology
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POS, inroom entertainment,inventory control, reservations
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Restaurant technology
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menu management, wireless terminals, financial reports, check tracking
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Hardware
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input/output units (printer and touch screen), CPU, External Storage
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Central Processing Unit
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may be separate or integrated, "brain" of system
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Read Only Memory (ROM)
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can't change, contains startup info
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Random Access Memory (RAM)
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Can read and write from, temporary
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Computer Operation
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Register, arithmetic logic, control unit, data storage
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Ports
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physical device connection (USB, wireless, serial, parallel, ECP or extended capabilities port, IrDA or infrared device accessibility
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PnP
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plug and play auto config.
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Software
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detailed instructions that control operation of comuper
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OS or operating systems
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software that manages and controls activities of computer
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Application software
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generic or industry (POS or Property Management)
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Integrated software
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communicates and updates automatically
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Non-integrated software
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can cause problems
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MultiprocessorInterfacing (5 C's)
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Confidence (test separately), Contracts, Communications, Comparisons (identify installed users), Contingencies (downtime strategies)
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Maintenance and support expenses not to exceed ___ market value
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1%
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System
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how computers do things
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EDP
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Electronic Data Processing (Input ->process -> output, input and process linked by memory)
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EDP Advantages
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speed, reliability, accuracy, retention, control
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Digital vs analog signals
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analog is up and down, gets interference/ digital modeled by digits, saves money
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Flat files
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waste of time and energy to retrieve data
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relational database
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no redundant data, multiple related tables
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hierarchical database
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parent/child relationship with data, starts on top and moves downward
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network database
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circular less ordered relationships, more complex
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relational database
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organize data in tables, flexible
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object oriented database
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new form, multimedia and graphic based, sorted better
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Database Management Systems
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software providing users with ability to access and manipulate data
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Primary key
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unique identifier
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foreign key
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connector |
Structured Query Language (SQL)
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query format giving instructions for building and modifying database structure or data stored in tables
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data warehouse
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massive collection of enterprise data (menu)
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data mart
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limited to single division or functional area (beverages on menu)
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data cube
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data segmentation for intense application analysis (toppings on menu)
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Data mining
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finding relationship in data (profiling, clustering, targeting)
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Social media
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web based services allowing a public or semi public profile
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Dominos Pizza and social media
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posted an offending video, turned blind eye and went viral, negative, employees got fired
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Why things catch on? (STEPPS)
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Social Currency
Trigger
Emotion
Public
Practical Value
Stories
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Trigger
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environmentalremider, top of your mind
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User generated content
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different needs, selective info processing, peripheral cues
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Network
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collection of computers and hardware interconnected by communication channels allowing sharing of resources
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Local Area Network (LAN)
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in one building within 600 ft typically
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Metropolitan Area Network
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within 30 miles (don't use in HB typically)
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Wide Area Network (WAN)
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(internet is wide area but wide area not necessarily internet)
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Wireless Network or wifi
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simple, cheap, convenient but security issues
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Server
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a lot of memory, faster CPU, gives data, more expensive than laptop (rent in HB now)
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Client/server architecture
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larger than peer, clients connected to server
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Peer to peer architecture
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limited workstations with slow speeds
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Workstation
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personal computer (node like PC, server, printer...)
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Node
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everything in a network
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client
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everything that gets info in a network
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Cable types
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twisted-pair, coaxial, fiber optic (fastest most expensive)
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Bandwidth (measured in BPS)
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bigger bandwidth is faster, bits per second
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Network topology
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bus, ring, star
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Bus topology
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less cable, quick setup, cheap BUT troubleshooting hard, less performance and limited stations
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Ring topology
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more expensive than bus, troubleshooting hard, no endpoint the signal keeps going
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Star topology
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most expensive, easy troubleshooting, switch/hub in middle
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Network Interface Card
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NIC needed for nodes to join network
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Encryption
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only messenger and receiver know code for message
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Biometrics |
very expensive, HB doesn't use a lot, iris or fingerprint
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Firewalls |
common in HB
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