Hello

please tell me how to make 16 x 1 multiplexer by using full adder in such a way that function for multiplexer depends on first bit of full adder i.e x out of x, y, z. and similarly make it for y and z bits of full adder for 16 x 1 multiplexer.Actually here i have to find out such implementation that first multiplexer depend only on x then only on y and then only on z.means by using x, y, z of FA independently i have to implement multiplexer.

x y z s c
0 0 0 0 0
0 0 1 1 0
. . . . .
. . . . .
1 1 1 1 1

please reply soon.

 

This sounds like an assignment. The odd thing is that it is usually set up as making a full adder with a multiplexer.

Try making up a truth table.

 

I 'm afraid I don't quite understand what you try to do.

What I get is that you want to build a 16-to-1 Multiplexer, which has 4 control inputs, with an adder.
Do you know how many bits the adder should have? Can you give us an example of how this contraption would work?