chapter 11 terms records management

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electronic record
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data stored on electronic media that can be readily accessed or changed.
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image record
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a digital or photographic representation of a record on any medium such as microfilm or optical disk.
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magnetic media
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a variety of magnetically coated materials used for computers for data storage; e.g. hard disk, magnetic tape, redundant array of independent disks (RAID) videotape.
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optical media
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a high density information storage medium where digitally encoded information is both written and read by means of a laser.
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RAID (redundant array of independent disks)
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a computer storage system containing many hard disk drives that send data to a computer over parallel paths.
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optical character recognition (OCR)
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machine reading of printed or written characters through the use of light sensitive materials or devices.
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push technology
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technology that automatically delivers e-mail and other data to a device based on the user’s profile and request for specific data.
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data warehouse
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a collection of data designed to support management decision making.
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media compatibility
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how well the media and the equipment needed to access information stored on the media work together.
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media stability
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the time the media will maintain its original quality so that it can continue to be used.
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migration
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the process of moving data from one electronic system to another, usually in upgrading hardware and software, without having to undergo a major conversion or reinputting data.
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metadata
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data about data, such as that which describes how, when, and by whom a particular set of data was collected and formatted.
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firewall
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a combination hardware and software buffer that many organizations place between their internal network and the internet to proctect the internal network form outside intrusion.
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encryption
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the process of converting meaningful information into a numeric code that is only understood by t he intended recipient of the information.
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microform
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the collective term for all microimages such as microfilm, microfiche, aperture cards, or microfilm jackets.
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micrographics
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the technology by which recorded information can be reduced to a microform, stored, and retrieved for reference and use.
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reolution
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a measure of the sharpness or fine detail of an image.
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density
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the degree of optical opacity of material that determines the amount of light that will pass through it or reflect from it.
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reduction ratio
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the relationship between the dimensions of the original or master and the corresponding dimensions of the photographed image.
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magnification ratio
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the relationship between the size of an image and the original record when viewed on a microfilm reader screen.
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flash drive
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a read/write external storage device hat attaches to a computer via a USB port and consists of a small printed circuit board encased in a hard plastic covering.

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