Black Box Remote Emulator Card, 5250 manual 147

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.

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