Sensor measuring temperature.

Sensor detecting movement or position of a hinge.

Register used to communicate with hardware I/O.

Specialized hardware speeding specific computations.

Material protecting components from excessive heat.

Physical hardware used for human-machine interaction.

Cache implemented using physical memory circuitry.

Thermally conductive pad transferring heat between surfaces.

Hardware connecting a host computer to a peripheral bus.

Dedicated hardware for encoding and decoding data.