A decoder may be described as a

Select one:

a$.$ multiple$-$input single$-$output logic circuit which converts coded inputs into a coded output

where the input and output codes are different.

b$.$ multiple$-$input multiple$-$output logic circuit which converts coded inputs into coded

outputs where the input and output codes are different.

c$.$ single$-$input multiple$-$output logic circuit which converts the coded input into coded

outputs where the input and output codes are different.

d$.$ single$-$input single$-$output logic circuit which converts the coded input into a coded output

where the input and output codes are different.