Write a VHDL testbench to test all combinations of inputs to the full adder Exercise 3.5. Verify the correctness of your full adder and of the testbench using a VHDL simulator.

Data From Exercise 3.5:

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A full adder has the following truth table for its sum (S) and carry (Co) outputs, in terms of its inputs, A, B and carry in (Ci): Ci Co 1. 0. 0. Derive expressions for S and Co using only AND and OR operators. Hence write a VHDL description of a full adder as a netlist of AND and OR gates and inverters. Do not include any gate delays in your models. A full adder has the following truth table for its sum (S) and carry (Co) outputs, in terms of its inputs, A, B and carry in (Ci): Ci Co 1. 0. 0. Derive expressions for S and Co using only AND and OR operators. Hence write a VHDL description of a full adder as a netlist of AND and OR gates and inverters. Do not include any gate delays in your models.

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Logical Expression for SUM A B CIN A B CIN A B CIN A B CIN CIN A B A ... View the full answer