Records MGT
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Created by:
audraaubert on October 27, 2011
Description:
Chapter 11
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21 terms
Terms | Definitions |
|---|---|
 Electronic record | data stored on electronic media that can be readily accessed or changed |
| Image record | a digital or photographic representation of a record on any medium such as microfilm or optical disk |
| Magnetic media | 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. |
| Optical media | a highdensity information storage medium where digitally encoded information is both written and read by means of a laser |
| RAID redundant array of independent disks | a computer storage system containing many hard disks drives that send data to a computer over parallel paths |
| flash drive | a read/write external storage device that attaches to a computer via a USB port and consists of a small printed circuit board encased in a hard plastic covering |
| optical character recognition | machine reading of printed or written characters through the use of light-sensitive materials or devices |
| push technology | technology that automatically delivers e-mail and other data to a device based on the user's profile and request for specific data |
| data warehouse | a collection of data designed to support management decision-making |
| media compatibility | how well the media and the equipment needed to access information stored on the media work together |
| media stability | the time the media will maintain its original quality so that it can continue to be used |
| migration | 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 |
| metadata | data about data, such as that which decribes how, when, and by whom a particular set of data was collected and formatted |
| firewall | a combination hardware and software buffer that many organizations place between their internal network and the Internet to protect the internal network from outside intrusion |
| encryption | the process of converting meaningful information into a numeric code that is only understood by the intended recipient of the information |
| microform | the collective term for all microimages such as microfilm, microfiche, aperture cards, or microfilm jackets |
| micrographics | the technology by which recorded information can be reduced to a microform, stored, and retrieved for reference and use |
| resolution | a measure of the sharpness or fine detail of an image |
| density | the degree of optical opacity of material that determines the amount of light that will pass through it or reflect from it |
| reduction ratio | the relationship between the dimensions of the original or master and the corresponding dimensions of the photographed image |
| magnification ratio | the relationship between the size of an image and the original record when viewed on a microfilm reader screen |
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