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Computer Science Medium CSS Uploaded: 13 Aug 2026

Which number system is used internally by computers?

  • A Decimal
  • B Octal
  • C Hexadecimal
  • D Binary
Correct Answer: Option D — Binary
Explanation:
Computers internally use the binary number system, representing all data and instructions using only two digits, 0 and 1, corresponding to e...
Submitted by: PaperMCQs
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