Multiple choice

Binary system is the numbering system that uses only ___ digit(s).

  1. 1

  2. 2

  3. 3

  4. 4
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The binary number system uses exactly 2 digits: 0 and 1. This is fundamental to digital computing because electronic circuits can easily represent two states (on/off or true/false). The prefix 'bi' means two, as in bicycle (two wheels) or bilingual (two languages). Option B is correct.

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