('''''A'''merican '''S'''tandard '''C'''ode for '''I'''nformation '''I'''nterchange''), generally Pronounced , is a Character Encoding based on the English Alphabet . ASCII codes represent Text in Computer s, Communications equipment, and other devices that work with text. Most modern character encodings have a historical basis in ASCII.
ASCII was first published as a standard in 1967 and was last updated in 1986. It currently defines codes for 33 non-printing, mostly obsolete Control Character s that affect how text is processed, plus the following 95 printable characters (starting with the space character):
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