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Which number system uses digits from 0 to 9?

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Computer Aptitude - Computer Fundamentals
Which number system uses digits from 0 to 9?
ABinary
BOctal
CDecimal
DHexadecimal
Step-by-Step Solution
  1. Step 1: Recall human-used number system

    Everyday counting uses ten digits.
  2. Step 2: Match with system name

    Digits 0 to 9 define the decimal system.
  3. Final Answer:

    Decimal → Option C
  4. Quick Check:

    Base-10 system → decimal confirmed ✅
Quick Trick: Digits 0–9 = Decimal.
Common Mistakes:
MISTAKES
  • Confusing octal with decimal.
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