The addition and subtraction operations can be combined into one  circuit with ____________a.one common binary adder by including an exclusive-OR  gate with each full adderb.one common binary adder by including 2 exclusive-OR  gate with each full adderc.three common binary adder by including an exclusive-OR  gate with each full adderd.two common binary adder by including 2 exclusive-OR  gate with each full adder

A full adder can be realised usinga.two half adders, two OR gatesb.none of thesec.two half adders, one OR gated.one half adder, two OR gates

Which of the following digital logic circuits can be used to add more than 1 – bit simultaneously?a.Full – adderb.Serial adderc.Half – adderd.Ripple – carry adder

In full adders the sum circuit is implemented using ________

Which of the following digital logic circuits can be used to multiple simultaneously?*Full adderRipple carry adderHalf adderSerial adder

Which gate must be interposed between the cascaded stages of a parallel binary adder/ half adder comprising full adders for transmission purpose of carry to the next stage