Given A=a 1 , a 2 , a 3 ,a 4 B=b 1 , b 2 , b 3 , b 4 1) Design an adder using on

Question

Given A=a1, a2, a3,a4 B=b1, b2, b3, b4 1) Design an adder using only multiplexers with one addressbit. 2) Design an adder using only multiplexers with two addressbits. Can someone please draw this Thanks Given A=a1, a2, a3,a4 B=b1, b2, b3, b4 1) Design an adder using only multiplexers with one addressbit. 2) Design an adder using only multiplexers with two addressbits. Can someone please draw this Thanks 1) Design an adder using only multiplexers with one addressbit. 2) Design an adder using only multiplexers with two addressbits. Can someone please draw this Thanks

Explanation / Answer

A one-bit adder has 2 input bits and one result bit. The twoinput bits represent one of four possible conditions.
A 4:1 multiplexer has four inputs and one output and TWO selectbits. The two select bits select one of four possible constants(either 0 or 1) which can be routed to the output.

The meaning of "4-2", as used for this description, can be morethan the meanings of "4-2" used in the related art, as the relatedart may use "4-2" to identify an adder which receives four one-bitdata operands, or three-one bit data operands and a one-bitcarry-in, and outputs a one-bit sum and only a single carrybit.

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