Higher-current equipment inlet.

Coil transferring power through magnetic induction.

Fan bringing air into a case.

Integrated heat spreader on a processor.

Device measuring temperature using infrared radiation.

Die containing input/output circuitry.

Substrate connecting multiple semiconductor dies.

Memory storing vertex indices.

Cache storing processor instructions.

Cache containing copies of data from lower levels.

TLB for instruction addresses.

I/O Memory Management Unit.

Hardware connecting input/output buses.

Hardware managing input/output devices.

Hardware providing additional input/output pins.

Physical interface for data input or output.

Processor dedicated to input/output operations.

Register used to communicate with hardware I/O.

Two-wire serial bus for interconnecting integrated circuits.

Hardware controlling I2C communication.

EEPROM accessed through an I2C interface.

Sensor communicating using I2C.

Hardware controlling legacy IDE storage devices.

Legacy interface for hard drives and optical drives.

Hardware implementing FireWire communication.

Sensor converting light into electrical image data.

Hardware processing raw image-sensor data.

Integrated circuit used for image capture or processing.

Circuit matching electrical impedances for signal transfer.

Component storing energy in a magnetic field.

Multiple inductors arranged in one component.

LED emitting infrared light.

Sensor detecting infrared radiation.

Hardware transmitting and receiving infrared signals.

Circuit temporarily holding incoming signals or data.

Hardware used to enter data into a computer.

Circuit filtering unwanted input signals.