TECH in Action – Flashcards
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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 date with the hope of finding a pattern.
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Bluetooth technology
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a type of wireless communication
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computer forensics
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specialty law enforcement that analyzes computer systems with specific techniques to gather potential legal evidence.
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Radio frequency identification tags
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tags containing minuscule microchips that transmit information via radio waves and can be used to track the number and location of the objects into which the tags have been inserted
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patient simulator
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life-sized, computer-controlled mannequins that can speak, breath, and blink.
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public domain
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property rights that belong to the community at large, are unprotected by copyright or patent, and are subject to use by anyone
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Nanoscience
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study of molecules and structures that range in size from 1 to 100 nanometers.
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Nanotechnology
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science of using nanostructures to build devices on an extremely small scale.
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Affective computing
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computin that relates to emotion or deliberately tries to influence emotion.
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hardware
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the mechanical, magnetic, electronic, and electrical components making up a computer system
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data
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representation of a fact, figure, or 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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processing
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calculating or organizing data into information
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binary language
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the language computers use to process data into information, consisting of only the values 0 and 1.
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byte
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a sequence of 8 bits (enough to represent one character of alphanumeric data) processed as a single unit of information
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kilobyte
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1,000 Bytes
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megabyte
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1 million bytes
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gigabyte
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one billion bytes
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terabyte
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1 trillion bytes
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application software
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set of programs you use on a comuter to help you carry out tasks such as writing a research paper.
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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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programs that control the way in which your computer system functions
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peripheral device
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component such as a monitor or keyboard that is connected to the computer.
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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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specially designed cimputer that can perform complex calculations extreemly rapidly.
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embedded computer
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specially designed computer chip that resides in another device.
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optical mouse
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uses internal sensors or lasers to detect the mouse's movement
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trackball mouse
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rollerball on top or on the side of the mouse allowing the mouse to remain stationary.
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output device
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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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pixel
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a single point in a graphic image on a digital display; the smallest unit a monitor can display
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nonimpact printer
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sprays ink or uses laser beams to transfer marks onto the paper.
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plotter
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oversize pictures that require the drawing of precise and continuous lines such as maps and detailed images.
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motherboard
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main circuit board that contains the central electronic componentsof the computer, including the computer's processor, memory and many circuit boards.
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system unit
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metal or plastic case that also houses the power source and all the storage devices
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expansion cards
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circuit boards that provide additional functionality
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sound card
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provides a connection for the speakers and microphone
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modem card
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provides the computer with a connection to the internet via a traditional phone line
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RAM
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the most common computer memory which can be used by programs to perform necessary tasks while the computer is on