Glossary Of Terms - Raytheon DIDS-400 Series Technical Manual

DIDS-402-2AM13
1-3.-1 Glossary of Terms
Throughout this manual, mnemonic words or symbols are used instead of
cUTI1bt?rsome words or phrases, so that sentences can be shortened and long,
repetitious phrases eliminated. Table 1-4 is an alphabetical listing of these
mnemonic abbreviations and their definitions. Where applicable, the common
name of the word is used for ease in reading the text and logic diagrams.
Mnemonic Word
or Symbol
BA
baud
BB
BB1
BB2
BB3
BEL
BS
CA
CAN
Table 1-4. Glossary of Terms
Meaning
Busy Bit One
Busy Bit Two
Busy Bit Three
Bell
Back Space
Cancel
1-14
Definition
Transmitted data line which
couples serial bit data from
the display terminal to con-
nected CPU I/O device or
modern
Bits / sec
Received data line which
couples serial bit data from
the CPU I/O device to the
Display Terminal
A flip-flop that reflects the
status (full, not full) of
buffer register Dl
A flip-flop that reflects the
status (full, not full) of
buffer register D2
A flip-flop that reflects the
status (full, not full) of
buffer register D3.
An ASCII control code which
cause s an audible alarm to
be sounded
An ASCII control code which
steps the cursor one position
to the left.
Reque st-to-Send line
An ASCII control code which
erases all characters from
the cursor position to the
end of the display terminal
screen