Processor, processor unit or processing unit may refer to:
Computing
Integrated circuits
- Central processing unit, the hardware within a computer that executes a program
- if designed conforming to the Von Neumann architecture, it contains at least an arithmetic logic unit (ALU) and processor registers
- Microprocessor, common term for any integrated circuit (IC) that is designed to execute instructions
- Application-specific integrated circuit (ASIC), a microprocessor designed for a particular use case, rather than intended for general-purpose use
- Application-specific instruction-set processor (ASIP), a component used in system-on-a-chip design
- Graphics processing unit (GPU), a processor designed for doing dedicated graphics rendering computations
- Physics processing unit (PPU), a dedicated microprocessor designed to handle the calculations of physics
- Digital signal processor (DSP), a specialized microprocessor designed specifically for digital signal processing
- Image processor, a specialized DSP used for image processing in digital cameras, mobile phones or other devices
- Coprocessor
- Network processor, a microprocessor specifically targeted at the networking application domain
- Audio processor, a microprocessor used in studios and radio stations
- Multi-core processor, single component with two or more independent CPUs (called "cores") on the same chip carrier or on the same die
Machines
- Front end processor, a helper processor for communication between a host computer and other devices
Software
- Data processing system, a system that translates or converts between different data formats
- Word processor, a computer application used for the production of printable material
Other
- Food processor, an appliance used to facilitate repetitive tasks in the preparation of food