Quantum computing is a type of computing that utilizes quantum-mechanical phenomena, such as superposition and entanglement, to perform operations on data. A quantum computing machine is a physical device that implements a quantum computer, allowing users to harness the power of quantum computing to solve complex computational problems. These machines are built from components that enable qubits to perform calculations, store information, and communicate with each other. By exploiting the unique properties of quantum mechanics, quantum computers can process huge amounts of data in a fraction of the time it would take a traditional computer.