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Also called random access memory, or RAM, consists of electronic components that temporarily store instructions waiting to be executed by the process, data needs by those instructions, and the results of processes data (information). |
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Equals approximately one million bytes. |
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One memory location or one character. |
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One memory location or one character. |
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Prints by striking an inked ribbon against the paper. One type of impact printer is the dot-matrix printer. |
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Print by means other than striking a ribbon against the paper. Examples include an ink jet or laser. |
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Forms a character or graphic by using a nozzle that sprays tiny drops of ink onto the page. |
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High-speed, high-quality nonimpact printer that employs copier-machine technology. It converts data from the computer into a beam of light that is focused on a photoconductor drum, forming the images to be printed. |
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Numbers of pages per minute. |
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An output device that visually conveys text, graphics, and video information. |
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A display device that is packaged as a separate unit. |
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An LCD monitor that uses a liquid display crystal, similar to a digital watch, to produce images on the screen. |
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The surface of the screen is composed of pixels. |
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Individual picture element. |
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Used to store instructions, data, and information when they are not being used in memory. |
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Uses magnetic particles to store items such as data, instructions, and information on a disk's surface. |
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The process of dividing the disk into tracks and sectors so the computer can locate the data, instructions, and information on the disk. |
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A narrow recording band that forms a full circle on the surface on the disks. |
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A storage device that contains one or more inflexible, circular platters that magnetically store data, instructions, and information. |
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When a read/write head touches a platter, usually resulting in loss of data or sometimes the entire drive. |
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Also called diskettes, an inexpensive portable storage medium. The most widely used floppy disk is 3.5 inches wide and typically can store up to 1.33 megabytes of data, or 1,474,560 characters. |
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A duplicate of a file, program, or disk that you can use in case the original is lost, damaged, or destroyed. |
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A device that can read from and write on a floppy disk. |
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The time required to access and retrieve data. |
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