Digital computers express variables as numbers, usually in the binary system. They are used ... The core, computing part of a computer is its central processing unit (CPU), or processor.

One of the core components of a quantum computer is the quantum processing unit (QPU) or quantum processor. Instead of binary bits used in classical computing, quantum computers use quantum bits ...

It is akin to a conventional computer's central processing unit (CPU), which performs calculations using the information held in binary bits ... the first operating system for quantum computers ...