IBM 6360

sector. That portion of a track that
can be accessed by a magnetic head
during a read/write operation.
segment. To move text horizontally
through the display.
SERDES. Serializer/deserializer. A
circuit that converts parallel data to
serial data and serial data to paral-
lel data.
signal ground. The ground reference
point of the power supply.
soft error. An error that can be
recovered from by an automatic re-try
of the failing operation.
software. ...,: (ISO) Computer programs,
procedures, rules, and possibly asso-
ciated documentation concerned with
the operation of a data processing
system.
statu s lines. The lines on the dis -
play that contain information about
the current task or function.
system. The
System.
IBM Displaywriter
system exerciser. A system func-
tional check which runs the system
devices concurrently.
T
task. (ISO) A basic unit of work to
be accomplished.
threshold. A predetermined limit.
trace. In diagnostics, the tracking
of MDI steps on the display.
* type font. Type of a given size and
style.
typing and menu area. The area of
the display screen that displays the
menus or text being created or
revised.
v
verify. ,,: To determine whether a
transcription of data or other opera-
tion has been accomplished accurately.
video reversed character. A charac-
ter formed by turning off the dots
that make up the character and turning
on all the background dots in the
character box.
w
work station. A display station and a
single or dual diskette unit.
Glossary X-5