GLOSSAR
Y
OF
TERMS
VECTOR 4 USER'S
MANUAL
GLOSSARY OF
TERMS
Where
an
item
in
a
definition
appears in BOLD FACE,
it
is defined under
its
own
entry
in this GIC6sary.
AMBIGUOUS
FILENAME. -
Used
to
refer
to
a
group
of
files
at
one
time.
By
using a
WILDCARD
character,
either
*
or
?,
you
can
access
more
than
one
file
at
a
time
in
various
commands within CP/M.
For
example,
the
command
DIR *.MEM
will
display
a
directory
of
all
files
ending
with
the
.MEM
extension.
The
*
.MEM
is
the
ambiguous filename.
See
also
UNAMBIGUOUS
FILENAME.
ASCII -
American
Standard
Convention
for
Information Interchange:
the
code
used
to
store
letters,
numbers and
control
characters
as
BYTES.
There
are
256
ASCII
characters
available
to
the
Vector 4,
the
number and combination
mC6t
common
in
the
microcomputer industry.
BOOTING - A
term
used
to
describe
the
process
of
loading
the
operating
system
from
the
disk into
the
internal
memory
of
the
computer
after
the
power
has
been
turned
on
the
system.
The
booting command, given by
the
operator,
is
"F" when booting from a floppy disk and
"W"
from
the
hard disk.
BDOS -
Basic
Disk
Operating
System.
The
portion
of
the
Vector
4 CP/M
Operating System responsible
for
locating
and
recording
data
stored
on
the
disk drives.
BIOS -
Basic
Input-output
System. The portion
of
Vector 4 CP/M responsible
for
controlling input and output; makes
sure
that
the
correct
circuits
are
open
for
transmission
at
the
right
time.
BIT - A "binary digit", or
the
smallest
single
piece
of
information
capable
of being
stored
in
the
computer's memory. Usually
represented
as
a 1 or a
0,
a
bit
is
actually
the
relative
presence
or
absence
of
electrical
current
in a
particular
pC6ition in some memory device.
BYTE -
For
the
Vector
4
CP/M
operating
system, a coded
character
made
up
of
eight
bits.
For
example,
the
character
[CTRL
C]
is
viewed
by
the
computer
as
the
byte 00000011.
CCP
-
Console
Command
Processor.
The
portion
of
Vector
4 CP/M responsible
for
interpreting
input
from
the
keyboard
and
sending
commands
to
the
remainder
of
the
operating
system.
The RESIDENT
COMMANDS
are
part
of
the
CCP.
COMMAND
- An
instruction
given
to
the
computer by
the
operator.
COMMAND
KEYS - A
series
of
buttons
or keys on
the
keyboard
that
are
used
to
send commands
to
the
computer.
For
example, [ESC],
[DEL]
and
[CTRL]
are
all
command keys.
Rev. A - 9-1-82
7100-0001
X D-1
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