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The main goal of this work is to develop and implement a 4-bit binary adder based on Quantum-Dot Cellular Automata (QCA). An integral part of digital computer systems, the adder is necessary to execute arithmetic operations on binary values. In this project, several adder circuit components—such as inverters, half adders, full adders, and a 4-bit binary adder made up of several full adders—are created utilising QCA technology. Several methods, including cascading several adder modules and using logic gates and transmission gates, are used in the implementation. The significance of this study is in designing high-performance and compact adder circuits by utilising the special qualities of QCA, such as ultra-fast computation, energy efficiency, and scalability. The goal of the research is to show the benefits and viability of using QCA-based computing for arithmetic operations, clearing the path for the creation of strong and effective computer systems. Key findings from earlier studies in QCA-based computing are compiled through an extensive literature review, offering a strong basis for the endeavour. The literature review includes contemporary developments in adder design and optimisation utilising QCA in addition to classic publications on QCA technology. The project involves using QCA-based simulation tools to create and simulate several adder components. Through simulation tests, the adder circuits' functionality and performance are assessed, offering important insights into how well they work. Additionally, a thorough examination of the suggested adder designs is provided, emphasising their benefits and their uses in digital computing systems.
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*Corresponding Author: cManoj kumar, manojis4u@gmail.com
Disclaimer: All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article or claim that may be made by its manufacturer is not guaranteed or endorsed by the publisher.
Conflict of interest: The author declares that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
Publisher’s note: All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article, or claim that may be made by its manufacturer, is not guaranteed or endorsed by the publisher.
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