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— printingonpaperacrossitsnarmwerdimension,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 — ReadOnlyMemory,or memory in which informationcan be storedpermanently,whetherthe poweris on or off.

RS-232— awiringconfigurationfor sendingandreceivingserialtransmis- sions, includingdata and acknowledgmentsbetween sendingand receivingequipment(“handshaking”).

Serial— a communicationsinterfacethat sendsor nxeives 1 bit of infor- mationat a time at a specifiedbaud rate.

StopBit— 1or2 bitsusedby thecomputerforthe timingof a transmission of information.

Strokeweight—the intensityof 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)— referstolinespacing,thesmallestincre- mentthatcanbe madein theverticalory axis.

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