Agilent Technologies 5250 user manual GLOSSARYPage G-3, Dpa, Dsc, Ebcdic

GLOSSARYPage G-3

D

Data stream	Information transmitted between the
	host system and the 5250 OPTIMA.
DB-25	A plug with 25 male or female pins.
Decimal	A base 10 numbering system.
Default	Formatting configurations that are
	present and are used automatically
	when no other information is available.
Delimit	To mark the beginning and end of a
	character string.
Diagnostic	A routine designed to verify the
	operation of a system and to find a
	malfunction in a device.
DisplayWrite/400	An IBM word processing application
	that supports bolding, underlining and
	overstriking.
DPA	Display printer adapter.
DSC	Data stream compatible. A pre-SNA
	protocol.

E

EBCDIC	Extended Binary Coded Decimal
	Interchange Code. An eight bit
	character code.
Emulation	A hardware or software product
	imitating the function of another
	hardware or software product.
Esc	Escape control character. A non-graphic
	(unimaged) code that signals the
	transmission of control information to
	the 5250 OPTIMA.
Extended ASCII	Some printer manufacturers have
	implemented their own version of 8 bit
	transmission. Extended ASCII allows
	128 additional characters to be
	displayed by the printer.