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| GLOSSARY |
| object | file | Source file converted into machine language (binary code). |
| octal | Numbering system which uses base 8. | |
| offline | Devices not under the active control of a central processing unit. | |
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| For example, a computer makes output to a magnetic tape. The |
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| tape is then used by an offline printing system to produce |
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| printed data. Offline operations are much slower than online |
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| operations. See also online. |
| offset | To place pages currently being printed in slightly different | |
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| positions from previous pages. |
| online | Devices under the direct control of a central processing unit, for | |
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| example a printing system in interactive communication with a |
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| mainframe. See also offline. |
operating system | Basic host- or | ||
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| operations of a computer, such as job entry, input/output, and |
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| data management. The operating system is always running when |
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| the computer is active. Unlike other types of programs, it does |
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| not run to an end point and stop. The operating system of a |
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| Xerox LPS is referred to as the operating system software (OSS). |
operator | area | The | |
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| front of each component of an LPS for operator activities. |
operator | command | Statement to control a program, issued via a console device or | |
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| terminal, causing a control program to provide requested |
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| information, alter normal operations, initiate new operations, or |
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| terminate existing operations. |
orientation | 1. In reference to image area, orientation describes whether the | ||
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| printed lines are parallel to the long edge of the paper or the |
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| short edge of the paper. 2. Choice of printing portrait |
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| (vertically) or landscape (horizontally). |
| origin | In reference to image area, this is the upper left corner of a | |
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| sheet. |
overprinting | Printing more than one character at the same position. | ||
overprint | lines | Print lines whose carriage control specifies printing with no line | |
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| spacing after the last printed line. |
page | inversion | Allows control of image orientation. A page can be rotated | |
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page | orientation | Direction in which data is printed on a report. See also | |
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| landscape page orientation; portrait page orientation. |
XEROX 4635 LASER PRINTING SYSTEM PRODUCT REFERENCE |