Appendix C
reset | To turn off, deactivate, disable, or return to a |
| previously determined state. |
resolution | A measure expressing the number of units in a given |
| range used to create an image. In printing, this is |
| expressed as the number of dots per inch (dpi) |
| horizontally and vertically. |
ROM | |
| routines permanently stored in the printer. ROM is |
| not lost when power is turned off and cannot be |
| written |
| fonts are fonts permanently stored in a printer and |
| available at any time. See also RAM. |
roman | A type style in which the characters are upright. This |
| is sentence is printed in a roman type style. |
RTS | Request To Send. Control signal from the printer. |
| S |
SA | Set Attribute |
SAA | Systems Application Architecture |
sans serif | A typeface or font in which the characters do not |
| have serifs. This font is sans serif. |
SCS | System Network Architecture (SNA) Character |
| String. Usually commands to set printer format, etc. |
serial communications | The sequential transmission of data, in which each |
| element is transferred in succession. |
serial matrix | A type of printing technology used in some impact |
| printers. Data are sent to the printer through either a |
| serial or a parallel interface, but the print head must |
| receive the data serially in order to form each |
| character. The moving print head uses pins to form |
| whole characters one at a time and one after the |
| other. The pins print dots according to programmed |
| matrix patterns. A line matrix printer also forms |
| characters with dots in matrix patterns, but it feeds |
| print data in parallel to many hammers mounted on a |
| rapidly oscillating shuttle. The hammers fire |
| simultaneously to print entire lines at a time. |
serif | A short line stemming from and at an angle to the |
| upper or lower end of the stroke of a letter or number |
| character. |
| A serif |
set | To turn on, activate, invoke, or enable. |
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