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132 Cards in this Set
- Front
- Back
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Computer literacy
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current knowledge and understanding of computesr and their uses
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computer
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electronic device operating under the control of instructios astored in its own memory
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data
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collection of unprocessed items
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information
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conveys meaning and is useful to people
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information processing cycle
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input- process- output- storage- communication
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input device
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hardware used to enter data and instructions
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output device
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hardware that conveys information to one or more people
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system unit
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case that contains the electronic components of the computer that are used to process data
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procesor CPU computer procesing unit
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electronic component that interprets and carries ou thte basic instructions that operate the computer
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memory
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consists of elecronic components that store instructions waiting to be executed and datate need by those instructions
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storage media
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physical material on which data , instructions, and infromataion are stored
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USB flash drive
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protable storage device- can hold ave- 2 billion characters
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hard disk
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greater storage capacity than a USB flash drive
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communication device
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hardware component that enables a computer to send and recieve data instructions and information
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network
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collection of computers and devices connectd together - often wirelessly
used to share resources data, information, and software programs |
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server
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controls access of resources on a network
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graphical user interface
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allows you to interact with the software using text, graphics, and visual images-
ex; icons controls how you enter data and instructions and how the screen displays information |
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operating system
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set of programs that coordiante all activities among computer hardware devices
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utility programs
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allows user to preform maintenece type tasks usually related to managing a computer its devices or its programs
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application software
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programs to make usres more productive
word processor , spread sheet, presenation , database |
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how to run a program
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Install- Run- Use
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Programmer
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someone who develops software
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computer categories
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personal or desk top
mobile device or mobile computer game consols servers mainframes supercomputer embedded computer |
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personal compuer/ desktop
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desined so all of the components fit entirely on and/or under a desk or table
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Mobile computer
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notebook or laptop
tablet pc |
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laptop
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small enough to fit on your lap usually more expensive than a desktop
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tablet pc
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resember a leter sized slate and allows you to write on the screenusing a digital pen
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mobiel device
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small enough to fit in a pocket
handheld computer, smart phone |
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handheld computer
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small enough for your hand used by mobile employees, meter maids and delivery ppl
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smart phone
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small phone that has internet
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personal digital assistant
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provides personal organizer functions , calender, appointment books, address books, calc, and notepad
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game consols
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mobile computer device designed for single or multi players
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server types
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serve, mainframe, and super computer
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server
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controls access to network resources, proveds centralized storage
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mainfram
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very powerful,expensive component that supports thousands of connected users
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supercomputer
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fastest, most powerful, and most epensive computer, used for applications requring complex mathmatical calculations
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embedded computer
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a special purpose computer that fnctions as a component ina larger product
ex: car |
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infor system elements
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hardware, software, data, people, procedures
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software- homeser
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personal finance management, web access, entertainment and commniation
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Software small office
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specialty software, productivity software, web usage, email
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mobile user software and hardware
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hardware- notebook computer, tablet pc, and smart phones
software- word processing, spreadsheets, preentaions and graphics |
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power users
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they need speed and large amounts of storage
scientists, engineers and architects |
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large businesses
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payroll, inventory, ecommerce and desktop publishing
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internet history
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goal: to allow scientists at different locations to share info
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internet control
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its public, cooperative and independent network
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world wide web consortium W3C
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oversees research and sets standards and guidelines
mission: contribute to the growth of the web nearly 400 organizations are part of the w3c |
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how to connect
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low speed: dial up
highspeed: dsl , cable, or wi fi |
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ways to access internet
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isp: regional or national
OSP: aol or msn wireless internet service provider |
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domain name
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text version of internet protocal address (IP)
number that unqiqely identifies each computer or device connectd to the internet ex: IP adress 216.239.39.99 domain name: www.google.com |
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world wide web WWW
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collections of electronic documents , each electroci document is called a web page can contain text, graphics audio, video and built in connections
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web site
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collection of related webpages
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web browser
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program that allows you to view web pages
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homepage
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the first page that website dispolys often provides connection to the other web pages
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how do internet enabled mobile devices access the internet
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use a micro browser that diplays web pages, that contain mostly text
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dowloading
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process of a computer recieving information, depending on the connection speed, downloads vary in the aount of time take
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URL
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unique address for a web page , web server delivers the web page toour computer
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hyperlink
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build in connection to another related web page location, item foudn elsewhere on the same web page, different webpage but the same site, or web page at a different site
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how to recognize a link
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the arrow turns in to a hand, the link can be text or image, text links are usally underlined in a different color
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search engine
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program used to find websites and web pages by entering words or phrases called search text
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subject directory
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search tool with organized set of categories and sub categoies, lets you fined information by clicking links rather than entering key words
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hit
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any website that is listed as the result of a search
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12 basic types of internets sites
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portal, news, info, business/marketing, educational, entertainment, advocacy , blog, siki, social network, content agregator, person
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portal
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a website that offers a variety of services from one convienent location , usually for free
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news
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contains newsowrth material, curent events, entertainment or sports
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information
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contains factual information, usually by a government or an organization
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business/marketing
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uslaly contains content to promot produts or services, and allows u to purchase them online
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education
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offers venues for formal and informal teaching and learning
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entertainment website
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offers interactive and engaging enviroment for music sports video or anythign entertaining
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advocacy website
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contains information relating to a cause / opinion or idea
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blog
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short for webblog, usesa regularly updae journal format to reflect the intersts opiinions and personaliy of the author
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wiki
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collbrative website tha tallows users to create add or modify or delete the website
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online social network
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encourages members to share their interestes ideas , stories and photos
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content aggregator
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business that gathers and organizes web content, and then distributes or feeds the content to subscribers, for free or for a feww
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personal ws
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website maintained by a private individual or family
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Guidelines for evaluating the value of a website
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affiliation, audience, authority, content, currency, design, objectivety
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multimedia
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applications combining text with other media elements
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graphic formats
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bmp, gif, jpeg, png, tiff
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thumbnail
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small version ofa larger graphic
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animation
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apperance of motion created by displaying a seris of still images
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audio
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music speech or any other sound
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streaming
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process of transfering audio in a continuous and even flow
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video
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consists of full motion images most with sound that are played back at various speds
MPEG |
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virtual reality
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use of computers to simulate real or imagined environment
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plug inss
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programs that extend the capability of a browser, you can download them sometimes for free
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web publishing
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development and maintenance of web pages
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e commerce
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short for electronic commerce business transaction that occurs over the internet
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email
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short for electronic mail
the transmision of messages and files via a computer network |
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email address
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consits of a user name and domain that identifies the user
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mailing list
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group of email names and addresses given a single ame
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im
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a real time internet communication service that notifies you when ppl are online
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chate
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real time comunication
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voice over ip
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voip, enables user to speak to each other over their internet
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FTP
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file tranfer protocal, internet standards that allow you to upload and download files with other computers over the internet
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newsgroup
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online area to discus a particular subject
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message board
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type of discussion, many websites use this
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netiquette
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acceptaable behavior on the net
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application software
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programs designed to make users more prodcutive or assist them with personal tasks
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how is softwar distrubuted
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packaged, custom, web based, open source, shareware, freeware, public domain
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packaged
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mass produced
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custom software
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preforms functions specific to a busines or industry
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web based software
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hosted by a website
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open source software
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provided for us, modification and redstribution
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shareware
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copyrighted software that is distributed free for that period
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freeware
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coprighted software provided at no cost
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public domain
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free ware with no copy rights restrictions
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system soft ware
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serves as the interface etween the user and the application software and the computer hardware
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starting an aplication
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Click start, point at prgrams, click the name
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window
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a rectangular area of the screen that displays data and information
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diaglogue box
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a window that provides information presents available options or requests a response
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business software
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application software that assists ppl in becoming more effective and efficient
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word processing softwar
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allows users to creat and manipulate tet and graphics
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font
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a nme assigned to a specfi design of characters
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spreadsheet softwar
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organizes data in rows and columns
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charting
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allows you to display spread sheets
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data base softwar
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allow you to create , access and manage data
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extract info from a database
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run queries to retrieve data
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presentation graphic software
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used to creat visual aids for presentation sometimes called slide show
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not taking softwar
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enables users to enter type tedxt handwritten comments or drawings or sketchs anywhere ont he page
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personal infor manager
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includs calender address book, note pad,k and sychronization wi desktop computers
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Software service
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a collection of individual programs sold as a single package
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project management software
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allowns you to plan schedule, track and analyze the events the events, resumes and cost of a project
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accounting software
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helps companies record or report their financial transactions
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enterprising computer software
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large organizations requires special computer solutions
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computer aided design CAD
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sophisticated applicatiosn software that allows you to create engineering, architectual and scientific design
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desk top publishin software
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enables you to design and provide a sophisticated documatns that contian text graphics and many colors
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point image editing software
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used to creat and modify graphical images
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professional photo editing sw
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allows users to customise digital photos
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video and audio software
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video editing allwos you to modify videos
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multimedia software
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allows you to comine text graphics and audio in an interactive application
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web page software
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helsp use of all skill levels to create a web page
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stand alone utility
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antivirus personal firewall media player
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web application
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software that obtains info from the web
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