I-Data 5250 ALLY manual Glossary, Por

GLOSSARY	Page G-7
Output	Data transferred from a computer’s
	internal storage to an output device.
Output device	A unit that takes data output from a
	computer and presents it in the form
	desired by the user.
Overstrike	A DisplayWrite/400 function in which
	two characters may be printed in the
	same presentation position.
P
Page control	The method by which page boundaries
	(margins) are determined. Page control
	may be done either by the host
	application or by the 5250 ALLY.
Parallel interface	8 bits of a byte are transmitted
	simultaneously through 8 parallel wires.
PFS	Programmable function string.
Plotter	An output unit that graphs data by
	automatically controlled pens.
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 ALLY to activate printer features.