Combinational Logic Circuits

Q1: Which type of decoder will select one of sixteen outputs, depending on the 4-bit binary input value?

A hexadecimal

B dual octal outputs

C binary-to-hexadecimal

D hexadecimal-to-binary

ANS:A - hexadecimal

It is given as 16 outputs and 4 input i.e. 4*16 decoder. As binary is 0 and 1. So obviously it's hexadecimal decoder.



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