Multiple choice

If a character code system uses combinations of 8 binary digits to represent a character, how many characters it can have?

  1. 8

  2. 26

  3. 36

  4. 64

  5. 256
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

With 8 binary digits, we can have 2*2*2*2*2*2*2*2 = 256 distinct combinations of 0s and 1s. Each combination can represent a character. Thus, the right answer is 256.

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