Radio Shack TRS-80 Trsdos & Disk Basic Reference Manual page 169

Appendices
decimal
Capable of assuming one of
ten
states,
e.g.,
the decimal
digits
0,1, ...
,9.
Decimal
(base 10)
numbering
is
the everyday system,
using sequences of decimal
digits.
Decimal numbers
are
stored
in
binary code
in
the Computer.
default
An
action or value which
is
supplied
by
the
Computer when you
do
not
specify an action or value to
be
used.
delimiter
A
character
which marks
the beginning or end
of
a
data item, and
is
not
a
part of the
data.
For
example,
the double-quote symbol
is
a string
delimiter to
BASIC.
destination
The
device or address which
receives the data during
a data transfer
operation.
For
example, during
a
BACKUP
operation, the destination
disk
is
the
one onto which
the source-disk
is
being
copied.
device
A
physical part of the computer
system used
for data
I/O,
e.g.,
keyboard,
display,
line printer, cassette, disk
drive, voice
synthesizer.
directory
A
listing
of the
files
which
are contained
on
a disk.
disk drive or
Mini Disk
drive
The
physical device
which
writes data
onto
diskettes
and
retrieves
it.
diskette or disk
A
magnetic recording
medium
for
mass
data
storage.
drive specification or
drivespec
An
optional
field in a
TRSDOS
file
specification
and
in
some
TRSDOS
commands,
consisting
of
a
colon followed
by one
of
the
digits
through
3.
The
drivespec
is
used
to specify
which
drive
is
to
be used
for
a
disk read or
write.
When
the drivespec
is
omitted from
a
command
involving
a
read
operation,
TRSDOS
will search,
through
all
the
disks for
the
desired
file,
starting
with
drive
0.
When
the drivespec
is
omitted from
a
command
involving
a
write
operation,
TRSDOS
will generally search
through
all
non
write-protected
drives for the
desired
file.
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