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| an application or app for, consists of programs designed to make users more productive and/or assist them with personal tasks.BROWSERS |
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| consists of the programs that control or maintain the operations of the computer and its devices.IE O/S |
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| collection of unprocessed items, which can include text,numbers, images, audio, and video |
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| conveys meaning to users.A computer processes data into information |
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| controls how you enter data and instructions and how information is displayed on the screen |
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| Computers contain many electric,electronic, and mechanical components known as hardware |
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| Two categories of software are system software and application software |
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| worldwide collection of computer networks that connects millions of businesses,government agencies, educational institutions, and individuals.provides society with access to global information and instant communications |
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| special-purpose computer that functions as a component in a larger product.i.e Consumer electronics,Home automation devices |
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| one of the more widely used Internet services.is a global library of information available to anyone connected to the Internet. People around the world access the web to accomplish a variety of online tasks |
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| Advanced Research Projects Agency.agency of the U.S. Department of Defense.goal was to build a network that (1) allowed scientists at different physical locations to share information and work together on military and scientific projects and (2) could function even if part of the network were disabled or destroyed by a disaster such as a nuclear attack |
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| The ARPA network,became ARPANET.original ARPANET consisted of four main computers |
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| The method that the Internet uses to store domain names and their corresponding IP addresses |
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| A built-in connection to other documents, graphics, audio files, videos,other webpages, or websites |
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A special formatting language that programmers
use to format documents for display on the web. 540, 541 set of rules that defines how webpages transfer on the Internet |
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| To rectify the problem, the IPv6 scheme lengthened the addresses, which increased the available number of IP addresses exponentially. |
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| National Science Foundation Network.to promote advanced research and education networking in the United States.Initially created to link researchers to the nation's NSF-funded supercomputing centers, through further public funding and private industry partnerships it developed into a major part of the Internet backbone. |
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| URL. A webpage has a unique address, called a web address or URL |
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| enables users to speak to other users via their Internet connection. |
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Software provided for use, modification, and redistribution and has no restrictions from the copyright holder regarding modification of
the software’s internal instructions and its redistribution |
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| Software that has been donated for public use and has no copyright restrictions |
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| Copyrighted software that is distributed at no cost for a trial period |
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| document management systems allow individuals and any organization to enjoy the benefits of document management systems. Users are granted access to certain parts of the repository, depending on their needs. |
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| Formatting task that adds emphasis to a font, such as bold, italic,underline, and color. 158 |
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A name assigned to a specific set of
characters. 158 |
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The size of the characters in a
particular font, measured in points. 158 |
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| Font size is gauged by a measurement system called points. A single point is about 1/72 of an inch in height |
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| contain a control unit and an arithmetic logic unit (ALU). These two components work together to perform processing operations. |
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| Serifs are semi-structural details or small decorative flourishes on the ends of some of the strokes that make up letters and symbols. An example would be the Times New Roman font. Sans serif does not have these details or flourishes. An example would be the Arial font |
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| number system that has just two unique digits, 0 and 1, called bits. 259 |
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| The smallest unit of data the computer can process. Short for binary digit |
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| Eight bits grouped together |
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| The electronic component of a computer that interprets and carries out the basic instructions that operate a computer. Short for central processing unit. 106 |
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| one gigabyte is 1000000000 bytes |
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| (ROM): Memory chips that store permanent data and instructions.265 |
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One billion ticks of the
system clock per second. 255 |
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Memory chips that can be read from and written
to by the processor and other devices.262 |
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| Memory that loses its contents when the computer’s power is turned off. 261 |
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| An identification code that consists of either a set of vertical lines and spaces of different widths or a two-dimensional pattern of dots, squares,and other images. 305 |
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| An applied science devoted to incorporating comfort, efficiency, and safety into the design of items in the workplace. 138 |
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| The number of horizontal and vertical pixels in a display device. 122,310 and print quality, 314 |
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| Radio frequency identification;technology that uses radio signals to communicate with a tag placed in or attached to an object, an animal, or a person. 306, 429 |
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| A touch-sensitive display device. 289, 294 |
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| A computer or mobile device’s capability of distinguishing spoken words. S |
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| Personalized Security to authenticate a user’s identity. |
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| The smallest element in an electronic image. Short for picture element. 122,310 |
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| A computer or mobile device’s capability of distinguishing spoken words. 300. |
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| Data that has been processed into a useful form. 4, 308 information as, 11 on output devices, 14 types of, 308–309 |
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A display that uses LED for the backlight. Also called an LED LCD display. 310.(liquid crystal display): Display technology that sandwiches a liquid compound between two sheets of material
that presents sharp, flicker-free images on a screen when illuminated.310 |
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| cathode-ray tube) monitors |
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| is the number of horizontal and vertical pixels in a display.Printer resolution is measured by the number of dots per inch (dpi) |
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nonimpact printer that forms characters and
graphics by spraying tiny drops of liquid ink onto a piece of paper |
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| impact matrix printing is a type of computer printing which uses a print head that moves back and forth, or in an up and down motion, on the page and prints by impact, striking an ink-soaked cloth ribbon against the paper, much like the print mechanism on a typewriter. |
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