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Backup |
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Saving files to a removable disk or other independent storage device that can be used to restore data if the primary system becomes inaccessible |
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Data Theft |
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Confidential and private information stored on computers being stolen by thieves and hackers |
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Driver |
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A small program that instructs the operating system on how to operate specific hardware |
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Encryption |
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Secure process for keeping confidential information private |
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Humidity |
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Environmental condition that can affect the performance of computer systems |
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Ping |
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DOS command to test connectivity and isolate hardware problems and any mismatched configurations |
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Power Spikes |
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Short, fast transfers of electrical voltage, current, or energy |
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Surge Suppressor |
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Plug into electric outlets to protect computers against power spikes |
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Uninterruptible Power Supply (UPS) |
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Device that provides power to computers if the normal current is interrupted |
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Cable Management |
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Organizing and protecting computer system cables |
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Corona Wires |
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Laser printer wires used to generate a field of positive charges on the surface of the drum and the paper |
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Cookie |
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Small text file that a Web site uses to identify a specific computer |
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Defragmentation |
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A process that reduces the amount of fragmentation on a disk by physically organizing the contents of the disk so the pieces of each file are stored contiguously |
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Fragmentation |
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Occurs when a piece of data is broken up into many pieces that are not stored close together |
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Ergonomic Keyboard |
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Keyboard that allows for a more natural positioning of arms and hands |
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Maintenance |
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Performing tasks on a regular schedule to manage and prevent equipment problems |
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Recycle Bin |
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Holding area for files and folders before their final deletion from a storage device |
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Sectors |
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locations on a hard disk where data files are written |
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Seek Time |
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How long it takes the computer to scan for a file; affects speed of processing cycle and computer performance |
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Touchpad |
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A pointing device that can be used instead of a mouse; most often on notebook computers. |
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Wireless Keyboard |
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Keyboard that reduces the clutter of wires and cables, and improves mobility |
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