Question: A 4 - bit ripple carry adder ( Ripple _ Add ) contains four 1 - bit full adders ( FA ) . a .

A 4-bit ripple carry adder (Ripple_Add) contains four 1-bit full adders (FA).
a. Define the module FA. Do not define the internals or the terminal list.
b. Define the module Ripple_Add. Do not define the internals or the terminal list. Instantiate four full adders of the type FA in the module Ripple_Add and call them fa0, fa1, fa2, and fa3.
A 4-bit ripple carry adder (Ripple_Add) contains four 1-bit full adders

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