Half Subtractor in VHDL: The circuit diagram for Half Subtractor and the expression for Difference and Borrow is given below for your reference. Difference<= A xor B; ...

To design a half adder and half subtractor circuit and verify its truth table in Quartus using Verilog programming.

For different input combinations generate the timing diagram. Program: /* Program to design a half adder and full adder circuit and verify its truth table in quartus using Verilog programming.

Logic encryption for combinational circuits are proposed in this paper. Logic encryption is achieved by using key gate transistors in the circuit schematic of subtractors and adders. In this work, two ...