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Computer Science Medium PPSC Uploaded: 23 Aug 2026

Which number system uses only 0 and 1?

  • A Hexadecimal
  • B Octal
  • C Decimal
  • D Binary
Correct Answer: Option D — Binary
Explanation:
The binary number system uses only two digits, 0 and 1, and forms the fundamental basis of all digital computing and data representation in computers.
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MCQ Details
SubjectComputer Science
DifficultyMedium
Exam Typesppsc
CorrectOption D
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