Concepts Exam 1
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social networking
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the gathering together of groups of people using online tools to connect and exchange ideas
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crisis mapping tool
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collects information from emails, text messages, blog posts, and twitter tweets and maps them instantly, making the information instantly public
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digital divide
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the difference in ease of access to technology
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autonomy
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freedom to work without constant direction and control
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mastery
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feelings of confidence and excitement from seeing your own skills progress
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purpose
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simply understanding that you are working for something larger than yourself
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quick response codes
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any piece of print in the real world host a live link to online information and video content
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crowdsourcing
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checking in with the voice of the crowd
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collaborative consumption
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joining together as a group to use a specific product more efficiently
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computer literate
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being familiar enough with computers that you understand their capabilities and limitations and you know how to use them efficiently
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information technology
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field of study focused on managing and processing information and the automatic retrieval of information.
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data mining
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process of searching huge amounts of data with the hope of finding a pattern
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computer forensics
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analyzes computer systems with specific techniques to gather potential legal evidence
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augmented reality
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combination of our normal sense of the objects around with an overlay of information displayed
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affective computing
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computing that relates to emotion or deliberately tries to influence emotions
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data
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representation of fact, figure or an idea
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information
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data that has been organized or presented in a meaningful fashion
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binary language
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language that computers understand; consists of two digits: 0 and 1
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byte
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8 binary digits combine
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kilobyte
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1000 bytes
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megabyte
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1 million bytes
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gigabyte
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1 billion bytes
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terabyte
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1 trillion bytes
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hardware
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any part of the computer you can physically touch
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application software
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set of programs you use on a computer to help you carry out tasks
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system software
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set of programs that enables your computer's hardware devices and application software to work together
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operating system
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program that controls the way in which your computer system functions
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notebook computer
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portable computer that has a keyboard, monitor, and other devices integrated into one compact case
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netbook computer
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small, light-weight notebook computer that is generally between 7-10 inches and has a long battery
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tablet pc
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similar to a notebook computer but the monitor swivels and folds flat
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tablet computer
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mobile computer integrated into a flat multitouch-sensitive screen
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desktop computer
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intended for use at a single location and therefore is stationary
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peripheral device
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component, such as a keyboard, that is connected to the computer
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all-in-one computer
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eliminates the need for a separate tower because these computers house the computer's processor and memory in the monitor unit
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mainframe
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large, expensive computer that supports hundreds of users simultaneously
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supercomputer
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specifically designed computer that can perform complex calculations extremely rapidly
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embedded computer
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specifically designed computer chip that resides in another device
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input device
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enables you to enter data and instructions into the computer
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QWERTY Keyboard
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standard English language keyboard layout
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Bluetooth
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wireless transmission standard that facilitates the connection of electronic computing devices to peripheral devices
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output devices
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enables you to send processed data out of your computer in the form of text, pictures, sounds or video
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monitor
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display screen/ displays text, graphics and videos as soft copies
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liquid crystal display
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light and energy efficient monitor
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light emitting diode
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more efficient and better quality monitor
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legacy technology
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computing devices or peripherals that use techniques, parts and methods from an earlier time that are no longer popular
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organic light emitting diode displays
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organic compounds that produce light when exposed to an electric current
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aspect ratio
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the width-to-height proportion of a monitor
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nonimpact printer
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sprays ink or uses a laser beam to transfer marks onto the paper
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impact printer
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tiny hammer-like keys that strike the paper through an inked ribbon, making marks on the computer
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inkjet printer
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is the standard type of printer found in most homes
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laser printer
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uses laser beams and static electricity to deliver toner onto the correct areas of the page
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plotter
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produces oversized pictures that require lines, such as maps, detailed images and architectural plans
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thermal printer
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melts wax-based inks onto ordinary printing paper or by burning dots onto specially coated paper
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motherboard
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main circuit board that contains the central electronic components of the computer
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system unit
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the metal or plastic case that also houses the power source and all the storage devices
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modem card
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provides the computer with connection to the internet via a traditional phone line
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network interface card
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enables your computer to connect with other computers or to a cable modem to facilitate a high speed internet connection
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random access memory
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the place in the computer where the programs and data the computer is currently using and stored
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volatile exam
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temporary storage location (RAM)
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read-only memory
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holds all instructions the computer needs to start up when it is powered on
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central processing unit
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brains of the computer because it controls all the functions performed by the computers other components and processes all the commands issued to it by software instructions
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gigahertz
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billions of machine cycles per second
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internal hard drive
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holds all permanently stored programs and data
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external hard drive
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small enough to fit into your pocket and have storage capacities of 1 to 2 TG
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hard disk drive
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computers primary device for permanent storage of software and documents
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solid state drive
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more feasible and useful for desktop and laptop storage
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optical drive
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reads and copies CDs and DVDs
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connectivity port
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gives you access to networks and the internet or enable your computer to work as a fax machine
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warm boot
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restarting the computer while it is powered on
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ergonomics
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an applied science concerned with designing and arranging things people use so that people and things interact more efficiently and safely
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domain name
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http//www.nytimes.com/
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HTTP
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the protocol that allows files to be transferred from a web server so that you can see the website on your computer by using the browser
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File Transfer protocol
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used to upload and download files from your computer to a web server
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host
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the location that maintains the computers that store the websites files
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top-level domain
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the suffix in the domain name after the dot
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path
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the information after the slash indicates a particular file
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subject directory
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structured outline of websites organized by topics and subtopics
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metasearch engines
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search other search engines rather than an individual web site
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spider
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constantly collects data on the web
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Boolean operators
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words such as and, not and or that describe the relationship keywords in a search
