Computers are a big part of our daily lives. From school to offices to-home, we are all using computers. You probably have a desktop or laptop computer in your house. You also probably have a cellphone in your house. Believe it or not it's a computer. However, you don’t have a super computer and definitely not a quantum computer. In this presentation I'll explain how Classical computers, Super computers and Quantum computers work and compare them to one another. Bibliography [1] “Computer Basics: What Is a Computer?” GCFGlobal.org, edu.gcfglobal.org/en/computerbasics/what-is-a-computer/1/. [2] “Computers for /The Basics.” Computers for Beginners/The Basics - Wikibooks, Open Books for an Open World, en.wikibooks.org/wiki/Computers_for_Beginners/The_Basics [3] Fisher, Chris, and Eric Abenojar. “IBM: What Is Quantum Computing?” IBM Quantum, 2 Apr. 2009, www.ibm.com/quantum-computing/learn/what-is-quantum-computing/. [4] Gunter, Elsa L. "Computer." World Book Student, World Book, 2020, worldbookonline.com/student-new/#/article/home/ar127860/Cpu [5] Chubb, Jennifer C. "Quantum computing." World Book Student, World Book, 2020, worldbookonline.com/student-new/#/article/home/ar757070/quantum%20computers [6] Australian Research Council Gate based Quantum Computers. University of Bristol (Quantum in the Cloud Documentation} Center for Quantum Computing and Communication Technology University of New South Wales (http://www.cqc2t.org/) [7] University of Science and Technology (China) China hits milestone in developing quantum computer [8] Author’s in-person interviews with three IBM researchers at IBM Watson Quantum computers research center, Yorktwon Heights, NY, USA