Electronics and Communication Engineering - Exam Questions Papers - Discussion

As the K-map reveals W, X, Y, Z are the input lines to the device and D₀ to D₉ are the output lines which get activated depending upon the input combinations.

As seen from k-map for W, X, Y, Z from 0000 to 1001 we have D₀ to D₉ outputs activated respectively.

This operation is performed by BCD to Decimal decoder.

Also it is called as 1 off 10 decoder, as only 1 of 10 output line is high.