4e: Measure the size of a representation as the number of symbols that it contains.

Binary Data
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basethe number of different symbols available to use in each place in a sequence
base 10a representation that has 10 different symbols (e.g. writing numbers in decimal with the numbers 0 - 9)
base 16a representation that has 16 different symbols (e.g. describing colours in hexadecimal with 0-9 and A-F)
base 2a representation that has two different symbols (e.g. binary with 0 and 1)
base 26a representation that has 26 different symbols (e.g. writing messages using the letters A-Z)
base 64a representation that has 64 different symbols (e.g. describing the contents of files using A-Z, a-z, 0-9 and some additional punctuation symbols)
message lengththe number of symbols needed in a sequence to represent a message
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