full_adder FA1(sum[0],c1,a[0],b[0],c); full_adder FA2(sum[1],c2,a[1],b[1],c1); full_adder FA3(sum[2],c3,a[2],b[2],c2); full_adder FA4(sum[3],carry,a[3],b[3],c3); ...
This project implements a 4-bit Ripple Carry Adder (RCA) using Verilog HDL. It extends the Full Adder design by cascading four 1-bit full adders, forming a 4-bit arithmetic circuit capable of ...
This paper presents a novel low-delay 4-bit Parallel Prefix Adder (PPA) implemented as a multilayer circuit using Quantum Dot Cellular Automata (QCA) technology. PPAs are among the most suitable ...
Diving into the heart of digital logic, the 4-bit adder stands as a fundamental building block in computer architecture, demonstrating how binary arithmetic operations are executed within electronic ...