Half-adders have a major limitation in that they cannot ..............Question 5Answer1.accept a carry bit from a previous stage2.Accept a carry bit from the following stages3.Accept a carry bit from a next stage4.Accept a carry bit from a present stage

Half adders have no scope of adding the carry bit resulting from the addition of previous bits.

A half adder adds two bits to produce a sum of

A full adder can be realised usinga.two half adders, two OR gatesb.two half adders, one OR gatec.one half adder, two OR gatesd.none of these

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

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