Physics · Digital Electronics

A combinational logic circuit has two inputs, A and B, and two outputs, Difference (D = A &oplus; B) and Borrow (B out = A̅ • B). This circuit is a:

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A combinational logic circuit has two inputs, A and B, and two outputs, Difference (D = A &oplus; B) and Borrow (B out = A̅ &bull; B). This circuit is a: