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Which of the following digits are used in the binary number system?

easy Q13 of 15
Computer Aptitude - Computer Fundamentals
Which of the following digits are used in the binary number system?
A0 and 1
B0 to 7
C0 to 9
D0 to 15
Step-by-Step Solution
  1. Step 1: Identify binary digits

    Binary system is base-2.
  2. Step 2: Recall allowed digits

    Only two digits are used.
  3. Final Answer:

    0 and 1 → Option A
  4. Quick Check:

    Base-2 system uses only two symbols ✅
Quick Trick: Binary = Base 2 = digits 0 and 1.
Common Mistakes:
MISTAKES
  • Selecting decimal digits due to habit.
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