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Digital Electronics MCQs

Practice questions are arranged in pages of up to 100 MCQs.

Question 1
Digital ElectronicsLogic Gates

Which logic gate gives a HIGH output only when all its inputs are HIGH?

  • AOR gate
  • BNAND gate
  • CAND gate
  • DXOR gate
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Correct Answer: C. AND gate
Explanation: An AND gate produces logic HIGH only when all of its inputs are HIGH.
Reference: Standard digital electronics principle
Question 2
Digital ElectronicsNumber Systems

What is the binary equivalent of decimal number 10?

  • A1001
  • B1010
  • C1100
  • D1110
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Correct Answer: B. 1010
Explanation: Decimal 10 equals 8 + 2, which is 1010 in binary.
Reference: Binary number system fundamentals