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Use the multiplexer to choose the correct output based on the inputs (use the truth table).
24-to1mux circuit
The adder is a poisonous snake. Using binary numbers, the adder produced a mathematical outcome.
@ Networking side the adder is using mostly. @ DSP oriented system, the adder is used more. @ CPU side.
ans: 2048 bcz, N=256therefore, adders= N*log2N=2048
using 8:1 mux....
more logic gates are used instead
Personally describing VHDL code for multiplexer can be quite difficult without prior knowledge. It takes many VHDLs to be a multiplexer.
12 NOR gates are required to implement full adder
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many inputs one outputs
The full adder takes care of everything, A, B, CarryIN, Sum, and CarryOut. I don't see why you would need a half adder after using a full adder, unless you were trying to process look-ahead carry, but that requires more than just a half adder.