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CIS 5-8: Computer Science Flashcards

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Backup
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A duplicate copy of data or other computer content for use in the event that the original version is destroyed
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Android
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A Linux-based operating system designed for mobile phones and developed by a group of companies that includes Google
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Virtual memory
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A memory-management technique that uses hard drive space as additional RAM
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Device driver
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A program that enables an operating system to communicate with a specific hard-ware device
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Utility program
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A type of software that performs a specific task, usually related to managing or maintaining the computer system
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Multitasking
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The capability of an operating system to run more than one program at one time
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Kernel
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The essential portion, or core, of an operating system
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Operating system
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The main component of system software that enables the computer to manage its activities and the resources under its control, run application programs, and interface with the user
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Windows
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The primary personal computer operating system developed by Microsoft Corporation
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Spooling
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The process of placing items in a buffer so the appropriate device (such as a printer) can retrieve them when needed
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T
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Windows 7 is an example of an operating system
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F
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Most operating systems today use a command line interface
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T
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Mobile devices, such as portable digital media players and mobile phones, typically require an operating system
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F
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Windows Explorer is an operating system designed for mobile phones
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F
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Windows Mobile is a versatile operating system designed to be used on a variety of computer types, such as mainframes, servers, personal computers, and mobile phones
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Multitasking
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___ refers to the ability of an operating system to have more than one program open at one time
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Linux
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___ is an operating system that is available for free over the Internet
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file compression
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To decrease the size of a file, a(n) ___ utility program can be used
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back up
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To guard against losing your data if a computer problem occurs, you should ___ your data files on a regular basis
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Windows 7
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Home office computer
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UNIX
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Mainframe computer
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Palm webOS
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Mobile phone
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Windows Embedded
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Car
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File compression program
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Zipped file
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Spooling
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Printer
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Virtual memory
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Swap file
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File management program
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Folder
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Database
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A collection of related data that is stored in a manner enabling information to be retrieved as needed
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Record
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A collection of related files in a database. Also called a row
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Workbook
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A collection of worksheets saved in a single spreadsheet file
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Software license
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An agreement, either included in a software package or displayed on the screen during installation, that specifies the conditions under which a buyer of the program can use it
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Formula
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An entry in a worksheet cell that performs computers on worksheet data can displays the results
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Field
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A single category of data to be stored in a database, such as a person’s name or telephone number. Also called a column
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Label
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A text-based entry in a worksheet cell that identifies data on the worksheet
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Shareware
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Copyrighted software that is distributed on the honor system; consumers should either pay for it or uninstall it after the trial period
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Public domain software
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Software that is not copyrighted and may be used without restriction
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Cell
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The location at the intersection of a row and column on a worksheet into which data can be typed
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T
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Microsoft Office is one example of a software suite
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T
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Changing the font size in a document is an example of a formatting operation
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F
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In a word processing document, the Enter key is always pressed at the end of each screen line to move down to the next line
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F
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The formula = A2+B2 located in cell C2 would multiply the two cells to the left of cell C2
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T
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Software can be installed on both personal computers and servers
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open source
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With a(n) ___ program, the source code for the program is made available to the public and so can be modified by others
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insertion point or cursor
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The blinking vertical line displayed on the screen that indicates the current location in a document, such as where the next change will be made to the document in a word processing program, is called the ___
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function
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A named formula (such as @SUM) in a spreadsheet program is called a(n) ___
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table
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In a relational database, the database object that contains the actual data is the ___
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Media player
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Listening to a music CD
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Personal publishing software
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Creating a child’s birthday invitation
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DVD authoring software
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Creating a home movie DVD
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A function
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=SUM(A1:A2)
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An absolute cell address
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$D$4
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An relative cell address
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B6
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Computer network
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A collection of computers and other hardware devices that are connected together to share hardware, software, and data, as well as to communicate electronically with one another
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Antenna
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A device used for receiving or sending radio signals; often used to increase the range of a network
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Switch
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A device used to connect multiple devices on a single network; forwards packets to only the intended recipient
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Bluetooth
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A networking standard for very short-range wireless connections; the devices are automatically connected once they get within the allowable range
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Mesh network
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A network in which there are multiple connections between the devices on the network so that messages can take any of several possible paths
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WiMAX
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An emerging wireless networking standard that if faster and has a greater range than Wi-Fi
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TCP/IP
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A networking protocol that uses packet switching to facilitate the transmission of messages; the protocol used with the Internet.
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Global positioning system (GPS)
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A system that uses satellites and a receiver to determine the exact geographic location of the receiver
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Digital transmission
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A type of data transmission where the data is represented by 0s and 1s.
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Ethernet (802.3)
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A widely used wired LAN networking standard
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F
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GPS systems are used only by the government
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T
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Wit serial transmissions, each bit of data is sent individually
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F
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The Internet is an example of a LAN
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T
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The type of cable used inside most homes for telephone service is twisted-pair wire
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F
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A router is a type of modem
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bus
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With a(n) ___network topology, all devices are connected in a line to a central cable
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dual-mode
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A(n) ___ phone can be used with more than one communications network, such as with both a cellular and Wi-Fi network
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personal area network or PAN
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A small network designed to connect the personal devices for an individual is called a(n) ___
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virtual private network or VPN
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A(n) ___ is a network that transfers private information securely over the Internet or other public network.
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Telemedicine
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To diagnose a patient from a distance
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Telecommuting
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To work for a company in New York when you live in California
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Multimedia networking
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To watch a TV show in the living room that is recorded on your computer
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Cellular phone
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To receive telephone calls while you are out shopping
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GPS
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To determine your physical location while hiking in the mountain
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Switch
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A device used to connect network devices via cabling
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Modem
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A device that enables a computer to communicate over telephone lines
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Wireless access point
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A device used to connect wireless devices to a wired network
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Repeater
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A device used to amplify signals on a network
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Wi-Fi
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To connect a portable computer to a wireless hotspot
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Bluetooth
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To connect a wireless keyboard to a computer
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Ethernet
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To create a wired home or business network
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Ultra Wideband (UWB)
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To wirelessly connect home entertainment devices
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Distance learning
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A learning environment in which the student is physically located away from the instructor and other students; commonly, instruction and communications take place via the Web
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Direct connection
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A type of Internet connection in which the computer or other device is connected to the Internet continually
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Cookie
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A small file stored on a user’s hard drive by a Web server; commonly used to identify personal preferences and setting for that user
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Search engine
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A software program used by a search site to retrieve matching Web pages from a search database
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Dial-up connection
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A type of Internet connection in which the computer or other device must dial up and connect to a service provider’s computer via telephone lines before being connected to the Internet
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Podcast
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A recorded audio or video file that can be played or downloaded via the Web
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Keyword
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A word typed in a search box on a search site to locate information on the Internet
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World Wide Web (WWW)
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The collection of Web pages available through the Internet
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Internet
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The largest and most well-known computer network, linking millions of computers all over the world
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Video-on-demand (VOD)
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The process of downloading movies and television shows, on demand, via the Web
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F
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When the Internet was first developed, it was called Mosaic.
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F
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On the Internet, an access provider and a content provider are essentially the same thing
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T
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With a direct connection, you need only open your browser to start your Internet session
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T
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A Wi-Fi hotspot is used to provide Internet access to individuals via a wireless connection
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F
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A Webinar is a Web site designed to allow individuals to easily create and publish blogs
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Digital Subscriber Line or DSL
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___ is a type of always-on broadband Internet service that transmits data over standard telephone lines but does not tie your phone line
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keyword; directory
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With a(n) ___ search, keywords are typed into the search box; with a(n) ___
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social networking site
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A(n) ___ is a Web site designed to enable a community of individuals to communicate and exchange information
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online auction
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With a(n) ___, people bid on products over the Internet, and the highest bidder purchases the item.
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E-mail
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To communicate with a friend in a different state
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Online auction
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To pay only as much as you specify for an item purchased through the Internet
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Online banking
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To pay a bill without writing a check
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Internet searching
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To find Web pages containing information about growing your own Bonsai trees
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Cable
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A common type of home broadband connection; does not use standard phone lines.
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BoF
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Provides access to the Internet via a very fast fiber-optic network.
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Conventional dial-up
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Accesses the Internet via standard phone lines and ties up your phone; the maximum speed is 56 Kbps.