Page G-7GLOSSARY
PPage control The method by which page boundaries
(margins) are determined. Page control
may be done either by the host
application or by the 5250 OPTIMA.
Parallel interface 8 bits of a byte are transmitted
simultaneously through 8 parallel wires.
PFS Programmable function string.
POR Power on reset.
Power on reset The method by which a peripheral
device announces to the host that it is
ready.
Presentation line The number of the line that is the
current presentation position.
Presentation position The line and column number of the
current position on the page.
Presentation surface Represents a single page of printed
output.
Print screen A PC keyboard command that will print
the text currently displayed on the
screen.
Printer An output device that produces hard
copy output.
Programmable function string An instruction string used by the 5250
OPTIMA to activate printer features.
Protocol A set of rules governing the format of
data and the control of information
interchange between two
communicating devices.
Protocol converter A device that takes input in one data
communications format and outputs the
data in another communications format.
PSF Print Services Facility.
RRAM Random access memory. Used for
temporary storage of information.