TM 11-5815-602-10
EE161-DM-OPI-010/E154UGC74
TO 31W4-2UGC74-1
GLOSSARY-Continued
To space a typewritten line so that it is exactly the intended
Justify . . . . . . . . . . . . . . . .
length.
Line Pointer . . . . . . . . . . . .
Position within the message file always points to the first character
of the current line.
Mnemonic (Ni-mon'-ik) . .
To remember, helping, or meant to help the memory.
A mode of recording in which each state of the medium cor-
Non-Return Zero (NRZ) . . .
responds to one binary state. In this mode, the state of the recor-
ding medium changes when the information changes from 1 to 0 or
from 0 to 1.
NOTE
"NRZ modified" is also often called "NRZ".
A binary digit attached to an array of bits to make the sum of all the
Parity Bit . . . . . . . . . . . . . .
bits either always odd or always even.
Addition of non-information bits to data, making the number of ones
Parity Check . . . . . . . . . . .
in a grouping of bits either always even or always odd. This permits
detection of bit groupings which contain single errors. It may be ap-
plied to characters, blocks, or any convenient bit grouping.
Renvelope . . . . . . . . . . . . .
Allows the operator to set the envelope which is put around a
message for reception by the system. This sequence never appears
in the message storage and is used for communications purposes
only.
Allows the operator to set the envelope which is put around a
Tenvelope . . . . . . . . . . . . .
message for transmission by the system. This sequence never ap-
pears in the message storage and is used for communications pur-
poses only.
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