# Digital electronics Morris Mano

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Please provide, how to make the truth table of such type of questions

edited

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BCD code is from 0-9, so in the code conversion table, numbers from 0-9 are represented. Rest are don't care conditions

Now that there 4 inputs and 16 outputs, hence we represent it using a 4 χ 16 decoder . The minterms corresponding to D1,D2,D3,D4 are ORed to obtain the circuit

## Related questions

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The adder-subtractor circuit of figure has the following values for mode input M and data inputs A and B. In each case, determine the values of the outputs: $S _ 4 S _3 S _2 S _1$ and $C _5$. M A B 0 0111 0110 0 1000 1001 1 0101 1000 1 0000 1010
The adder-subtractor of the figure is used to subtract the following unsigned 4-bit number: 0110 – 1001(6 – 9) What are the binary values in the nine inputs of the circuit $?$ what are the binary values of the five outputs of the circuit$?$ Explain How the output is related to the operation of 6 – 9.