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<h1 class="h1">ASCII/IBM Extended Character Set</h1>
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<p> </p>
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<h2 class="h2">These Tables ...</h2>
<p class="normText">These
extended ASCII tables are a chart of all the original 7-bit, ASCII
codes in the original ASCII Standard Character Set plus the IBM
Extended Characters Set, each character value being stored in the
eighth bit. The tables display the decimal values, the hexadecimal
values and an accurate rendering of the actual characters. These
extended ASCII character sets originated in the early IBP PC DOS system
and because of this they can only be represented in bitmapped,
graphical format on a web page.</p>
<h2 class="h2">History Of ...</h2>
<p class="normText">Once
combined by IBM, the ASCII Standard Character Set and the IBM Extended
Character Set became the on-board 'ROM-BIOS' character set for all IBM
PC's and compatibles. It is in reality the DOS character set because
Microsoft Windows and Web browsers each use their own character sets.</p>
<p class="normText">Like
the dinosaur, the ASCII/IBM character set ruled the world of computing
for many years until progress rendered it inadequate for modern day
needs. In it's heyday we thought it was wonderful because it provided
basic ASCII characters plus all these wonderful extended characters for
making boxes and windows in DOS, something hitherto unheard of. I was
never too sure about some of the foreign characters, perhaps an early
attempt by IBM at internationalisation.</p>
<h2 class="h2">ASCII Meaning ...</h2>
<p class="normText">The
acronym ASCII stands for American Standard Code For Information
Interchange. If we remember that computers only understand numbers, the
ASCII code is the numerical representation of the alpha/numeric
characters understood by humans (e.g. '1,2,3' or 'A,B,C' or 'd,e,f',
etc.). ASCII codes in the range 0...31 represent special, non-printing
characters called Control Characters (e.g. 'c/r,l/f,f/f', etc.). ASCII
was originally used with teletype machines and so many of the Control
Character descriptions can be difficult to understand.</p>
<p class="normText">In
more practical terms you may be asked to save a file in ASCII format
and all this means that the file should be saved as a plain test file,
without any formatting or Markup instructions contained in the file.
Programs that are designed to handle plain text files are called text
editors and these include Notepad, EditPad, etc. and they should not be
confused with word processors like Microsoft Word.</p>
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