Agilent Technologies 5250 user manual GLOSSARYPage G-7, Por, Psf, Ram

GLOSSARYPage G-7

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 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.

R

RAM	Random access memory. Used for
	temporary storage of information.