microprocessor unit

noun
UK /ˌmaɪkrəʊˈprəʊsesə ˈjuːnɪt/
US /ˌmaɪkroʊˈprɑːsesər ˈjuːnɪt/

The tiny brain inside a computer that does the thinking and math.

The microprocessor unit in my laptop helps it run games and videos.


OTHER MEANINGS

2. A single integrated circuit that contains the main processing parts of a computer.

Engineers tested the new microprocessor unit before putting it in the phone.

3. The part of a device that carries out instructions and controls other parts.

The toy robot's microprocessor unit tells its motors when to move.

4. A small chip used in many machines to handle calculations and logic.

The washing machine uses a microprocessor unit to pick the right wash cycle.