For a 4 bit parallel adder with inputs A & B, if you want to perform subtraction [A- B], which one of the following is the most suitable way? Inverting the output Grounding the B inputs Inverting the carry out None of the given options Connecting XNOR gate to B inputs

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Sir, please solve this problems asap.No need any kind of large explanation.Only providing the correct answer will be enough.Thanks.
For a 4 bit parallel adder with inputs A &
B, if you want to perform subtraction [A-
B], which one of the following is the most
suitable way?
Inverting the output
Grounding the B inputs
Inverting the carry out
None of the given options
Connecting XNOR gate to B inputs
Transcribed Image Text:For a 4 bit parallel adder with inputs A & B, if you want to perform subtraction [A- B], which one of the following is the most suitable way? Inverting the output Grounding the B inputs Inverting the carry out None of the given options Connecting XNOR gate to B inputs
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