Question
Download Solution PDFIn a 3-to-8 decoder, how many outputs are active for any given input?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct option is 4
- For any given 3-bit input, the decoder activates exactly one output line corresponding to that input's binary value.
- All other outputs remain inactive (typically logic 0).
Concept:
- A decoder is a combinational logic constructed with logic gates.
- It is the reverse of the encoder.
- A decoder circuit is used to transform a set of digital input signals into an equivalent decimal code of its output. For ‘n’ inputs a decoder gives ‘2n’ outputs.
- Block diagram of the Decoder is shown below:
Last updated on Jun 16, 2025
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