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Parallel— a communicationsinterfacethat sends or receives 8 bits of
informationplus controlsignalsat a time.
Parity— a bit in a serialinformationthat allowsa computerandprinterto
automaticallycheckfor errors in transmission.
Pitch— thewidthof a typefacemeasuredin charactersper inch.
Point— theheightof a type fon~measumdin points,or 1/72of an inch.
Portrait— printing onpaper across itsnarmwerdimension, suchasa letter
on paper that is 8.5 in. wide and 11 in. high; portraitpicturesare
usuallytallerthan they are wide.
Proportionaltype— a typefacein whichsomeletterstakeup more room
on apnntedline thanothers,suchasWtakingmomspacethanl. The
spacingof thelettersis alsointendedto enhancetheestheticquality
of the printedpage.
RAM — RandomAccessMemory,or memorythat can be used to store
informationtemporarily,such as text or printing configurations.
RAM-storedinformationis erasedwhen the power is turned off.
ROM — ReadOnly Memory, o r memory in which informationcan be
storedpermanently,whetherthe poweris on or off.
RS-232—awiringconfiguration for sendingandreceivingserialtransmis-
sions, includingdata and acknowledgments b etween sendingand
receivingequipment("handshaking").
Serial— a communications interfacethat sendsor nxeives 1 bit of infor-
mationat a time at a specifiedbaud rate.
StopBit— 1or
2
bitsusedby thecomputerforthe timingof a transmission
of information.
Strokeweight—the intensity of a printedcharacter,suchas light,medium,
or bold.Normalprintingis mediumweight.
SymbolSet — the enthe list of ASCIIletters,numbers,and symbolsused
with a particularlanguage,such as Englishor Spanish.
VMI(VerticalMotionIndex)— refers tolinespacing, t hesmallestincre-
mentthatcanbe madein thevertical o ry axis.
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