4-bit adder subtractor circuit. A 4-bit Full Adder is designed to generate a 4-bit Sum and is designed by combining four 2-bit Full Adders and as a result shows the Four bits output along with the ...

4-Bit Carry Lookahead Adder (CLA) Overview The 4-bit Carry Lookahead Adder (CLA) is a high-speed digital circuit designed to perform fast binary addition. Unlike ripple-carry adders, the CLA ...

In this paper, we have proposed a design technique for the reversible circuit of binary coded decimal (BCD) adder. The proposed circuit has the ability to add t Design of a reversible binary coded ...

As potential candidate for next-generation nanoelectronic circuits, Quantum-dot cellular automata (QCA) has attracted tremendous interests among researchers. QCA circuits represent logic levels based ...