IBM Professional Series User Manual page 400

Glossary
The following is a list of terms
and acronyms used in this book
and an explanation of their
meaning. Glossaries with further
definitions can be found in the
Personal Computer Hardware
Reference Library publication
BASIC, and in the Virtual
Machine / System Product
Library publication Library
Guide and Master Index, order
number G T 19-6207.
ASCII. American National
Standard Code for Information
Interchange. A standard code
used for exchanging information
among data processing systems
and associated equipment. An
ASCII file is a text file where the
characters are represented in
ASCII codes.
backup. Pertaining to a system,
device, file, or facility that can be
used in case of a malfunction or
loss of data.
block. The unit of data
physically read/written by
VM/PC CMS when performing
I/O to a minidisk.
buffer. An area of storage that is
used to compensate for a
difference in rate of flow of data,
or time of occurrence of events,
when transferring data from one
device to another. Usually refers
to an area reserved for I/O
operations, into which data is
read or from which data is
written.
Configurator. A VM/PC
program that helps the user
specify and edit the parameters
and data that are stored on the
VM/PC Configuration file.
CMS. Conversational Monitor
System. The component of
VM/PC that provides the user
with an application interface
within the Local 3277 Session.
CMS functionally resembles the
similarly named component of
the IBM Virtual
Machine/System Product
(VM/SP).
CPo Control Program. The
component of VM/PC that
intercedes between CMS and the
hardware system. CP
functionally resembles the
similarly named component of
the IBM Virtual
Machine/System Product
(VM/SP).
cursor. A moveable marker that
indicates a position on the
display.
default. A value or option that is
assumed when none is specified.
Glossary X-l