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Kiosk
an interactive computer terminal available for public use
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Laser Printer
uses a laser to form dot-matrix patterns
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Ink- Jet Printer
charged droplets of ink
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CRT Monitor
cathode-ray tube: works by moving an electron beam back and forth across the back of the screen.
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Data
individual facts, statistics, or items of information
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Information
knowledge communicated
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Hardware
the mechanical, magnetic, electronic, and electrical devices comprising a computer system, as the CPU, disk drives, keyboard, or screen.
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Green Computing
environmentally sustainable computing
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Network
a system containing any combination of computers
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Software
the programs used to direct the operation of a computer
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Programmer
a person who writes computer programs
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Server
a computer that makes services available to workstations on a network
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Embedded Computer
system that is part of a larger system and performs only peripheral functions
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Main Frame
a large computer, often the hub of a system serving many users
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LCD Monitor
monitor that uses LCD technologies
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Plasma Monitor
(PDP) type of flat panel display. uses plasma cells
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Pixel
basic unit of video screen image
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Resolution
clarity of an image
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Optical Mouse
mouse used on reflective pad
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Biometrics
ID of somebody to electronic system i.e. eye scanner, finger scanner
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Binary system
sequences of the digits 0 and 1
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Machine cycle
fetch, decode, execute, and store
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CPU
central processing unit
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Motherboard
main circuit board of computer
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System Unit
main unit of a personal computer
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ALU
arithmetic logic unit
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System Clock
synchronizes the tasks in a computer
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ASCII
computer data exchange standard
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Volatile Memory
memory that requires power
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Nonvolatile Memory
memory that can retain the stored information without powered
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RAM
(Random Access Memory) store information that is currently in use
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Access Time
the time a computer takes to locate and retrieve data
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Backup
copying files so that they will be preserved in case of equipment failure
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Capacity
the maximum amount that can be held
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Cloud Storage
online storage
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Disk Controller
circuit which allows the CPU to communicate with disk drives
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Optical Disk
computer disk read by laser
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RAID
(redundant array of independent disks) is a way of storing the same data in different places
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Ripping
copying audio or video content to a hard disk
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Tape Drive
data storage device that reads and writes data on a magnetic tape
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Hard Disk
disk inside a computer that holds a large quantity of data and programs
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Modem
device connecting computers via phone line
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T1 Line
specific type of telephone line that can carry more data than normal lines
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Cable
group of wires for transmitting electrical signals that are bound together
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DSL
high-speed telephone line
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Netiquette
"Internet etiquette”
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Internet
network that links computer networks by satellite and telephone
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WWW
World Wide Web- online
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ISP
Internet Service Provider
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IP Address
informal term used by cable and DSL Internet access subscribers
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Browser
software used to search for information on the internet
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Website Broadband
telecommunications signal of greater bandwidth
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Internet Backbone
principal data routes between large networks and core routers in the Internet
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FTP
transfer files to and from another over a network such as the Internet
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