A quantum processor is a type of computing device that uses the principles of quantum mechanics to perform calculations. Unlike traditional processors, which use bits as the smallest unit of data (0s and 1s), quantum processors use quantum bits, or qubits. Qubits can exist in multiple states simultaneously, allowing quantum processors to process complex problems much faster than classical computers. These processors are designed to tackle specific tasks, such as cryptography and optimization problems, that are challenging for classical computers. Companies like IBM and Google are actively developing quantum processors, aiming to unlock new capabilities in computing and revolutionize various fields, including materials science and artificial intelligence.