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5250 REMOTE EMULATOR CARD
nonshifted: Allows keys to be entered as characters or functions similar to when a
shift key is not held down on a PC or typewriter.
NRZ (Non-return to Zero): A binary encoding technique in which a change in state
represents a binary one, and no change in state represents a binary zero.
NRZI (Non-return to Zero Inverted): A binary encoding technique in which a
change in state represents a binary zero and no change in state represents a binary
one.
parity: Error-detection system for a serial device. A method of error detection in
which a redundant bit is added to each character in order to make the sum of the
bits in the character either even or odd.
PC Support: An IBM host/PC communications program that provides the
emulator card with access to virtual-disk, virtual-printer, and shared-folder
functions.
pitch: The number of characters per horizontal inch, or the positioning intervals of
characters in a line of text.
pixel: The smallest displayable unit on a video screen, out of which the displayed
image is constructed.
portrait: A printing orientation in which the text prints across the width of a page.
PPDS (Personal Printer Data Stream): A printer-programming language for some
IBM laser printers.
prompt: A display symbol, word, or phrase that requests the user to enter data from
the keyboard.
RAM (Random Access Memory): A storage device in which data is entered and
retrieved in a non-sequential manner.
record/playback: Keyboard macro used to save keystrokes and then play them
back.
resident: Program is in the memory.
root directory: Directory that contains a list of files stored on that disk.
Round-Robin: A hotkey sequence used to take the user sequentially through the
highest host session, then to the Printer Control Screen, and then to DOS.