By Mansi Yadav

Verified by Ajay Kumar

Which number system uses digits 0-9 and letters A-F?

  1. Binary

  2. Octel

  3. Decimal

  4. Hexadecimal

Answer: D

Solution

Solution: The hexadecimal number system uses sixteen symbols: digits 0-9 and letters A-F. Therefore, the correct answer is Hexadecimal. Trick: Remember that binary uses 0-1, octal uses 0-7, decimal uses 0-9, and hexadecimal uses 0-9 and A-F.

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