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Home › Digital Electronics › A 3-to-8 decoder has an enable input and is enabled. For each valid 3-bit input, how many output lines are normally selected in a one-of-eight decoder?
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Digital ElectronicsEncoders & Decoders

A 3-to-8 decoder has an enable input and is enabled. For each valid 3-bit input, how many output lines are normally selected in a one-of-eight decoder?

  • A1
  • B2
  • C3
  • D8
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Correct Answer: A. 1
Explanation: A conventional 3-to-8 decoder activates one of eight outputs for each binary input combination.
Reference: Standard digital electronics: decoders
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