Question

Which of these number systems uses the most unique characters?

(1 point)
Responses

binary

binary

decimal

decimal

hexadecimal

hexadecimal

None—they all use the same number of characters.

Answer 1

The number system that uses the most unique characters 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 (representing values 10 to 15).

So, the correct answer is **hexadecimal**.