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A device which converts BCD to seven segment is called ______
1. Encoder
2. Decoder
3. Multiplexer
4. Demultiplexer

1 Answer

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Correct Answer - Option 2 : Decoder

Concept:

A decoder is a multiple input and multiple output logic circuit which coverts coded inputs into coded outputs. There is one to one mapping from input code to output code words. A decoder which has n bit binary input code and a one activated output out of 2n output code is called binary decoder.

Explanation:

A device which converts BCD to seven segment display is called decoder. Seven segment displays are used to give a visual indication of output states of digital ICs. These outputs are in BCD form and not suitable for directly driving seven segment displays. For this reason, decoder are used. 

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