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APPENDlXJ
GLOSSARY OF TERMS
000000000000000000
Address:
A location in memory, usually specified by a two-byte
number in
hexadecimal
or decimal format. (Maximum range is
O-fFFF
hexadecimal.)
Alphanumeric:
The
capital
letters
A-
Z and the
numbers
0-9,
and/or combinations 01leller5 and
numbers.
Specifically ex-
cludes
graphics
symbols
,
punctuation
marks
,
and other special
characters.
Array: A one- or two-dimensional set of elements that can be
referenced one at a time or
as
a complete
list
by using the array
variable name and one or
two
subscripts
.
T
hus
the
array
8
,
ele-
ment
number 10 would be referred to as
8(10).
Note
thaI sIring
arrays are
not
supported
by
BASIC,
but you can
pick up
each
element
within
a
string-
for example
,
A$( 10
,10).
All arrays
must
be
dimensioned before
use.
A matrix is a two-dimensional array.
ATASCII
:
The method
of coding
used
to store
text
data.
In ATAS-
Cit (which is a
modified
version of
ASCIt
,
Ihe American
Standard
Code for Information Interchange)
,
each character and graphics
symbol
,
as well as
most
of the control keys
,
has a
number
as-
signed 10
represent
it.
The
number is a one- or two-byte code
(decimal
0-
255)
.
See the
ATARI
BASIC Reference Manual
for
table.
AUTORUN .SYS
: Filename reserved by the Disk Operating Sys-
tem.
Baud Rate
: Signaling speed or speed of
informalion
inter-
change in
bits
per second
.
Binary:
Also
known as base
2.
A number base system
using
only
the
digits 0 and
1.
Binary Load
:
Loading
a
binary
machine-language Object file
into
the
computer
memory.
Binary Save
: Saving a
binary
machine-language object
file
onto
a
disk drive
or program
recorder.
Bit:
Abbreviation of
"
binary digit.
"
The
smallest
unit
of
informa-
tion
,
represented by the
value
0
or
1.
119
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