A version control system (VCS) is a software tool that helps developers manage changes to source code over time. VCSs allow developers to track changes, collaborate with others, and revert to previous versions of code. Examples of VCSs include Git and Subversion. Go to our website Quantum computing is a computing paradigm that uses quantum bits (qubits) to perform calculations. Quantum computing has the potential to solve complex problems that are currently impossible for classical computers, such as factoring large numbers and simulating complex systems. Popular quantum computing platforms include IBM Q, Microsoft Quantum Development Kit, and Rigetti Forest.