Quantum computing is a type of computing that uses quantum-mechanical phenomena, such as superposition and entanglement, to perform operations on data. Quantum computers are different from traditional computers, which use bits to represent and process information. Instead, quantum computers use quantum bits, or qubits, which can represent multiple states simultaneously. This allows them to perform certain calculations much faster than traditional computers.

Quantum computing has the potential to revolutionize many fields, including machine learning, cryptography, and materials science. Because of this, there is a lot of interest in developing and understanding quantum computers, and in finding new ways to apply them to real-world problems.