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Which of these number systems uses the most unique characters?

binary
decimal
hexadecimal
none they all use the same number of characters

1 answer

The number system that uses the most unique characters among the options given is hexadecimal.

  • Binary uses 2 unique characters: 0 and 1.
  • Decimal uses 10 unique characters: 0 through 9.
  • Hexadecimal uses 16 unique characters: 0 through 9 and A through F (where A represents 10, B represents 11, C represents 12, D represents 13, E represents 14, and F represents 15).

So, the correct answer is hexadecimal.