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14 cards from this deck
System converting text to binary code for computer processing
Complete list of characters a computer can understand & display
American Standard Code for Information Interchange
7 bits
27=1282^7 = 12827=128 characters
8 bits (1 byte)
Support characters from all world languages, not just English
16 bits or 32 bits
216=65,5362^{16} = 65,536216=65,536 characters
232=4,294,967,2962^{32} = 4,294,967,296232=4,294,967,296 characters
First 128 Unicode characters are identical to ASCII
Unicode: 2-4 bytes per char; ASCII: 1 byte per char
More bits per character = larger character set
52 letters, 10 digits, 33 punctuation, 32 control characters
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