"Quantum computing" refers to a new paradigm of computational power characterized by the principles of quantum mechanics. Unlike traditional computers, which use bits as the smallest unit of data represented as either 0 or 1, quantum computers use qubits that can exist in multiple states simultaneously due to superposition. This capability allows quantum computers to process vast amounts of data and perform complex calculations much faster than classical computers. It holds promise for solving problems in fields such as cryptography, optimization, and material science that are currently intractable for traditional computing technologies.