IC package converters and adapters are electronic interconnect devices that are used to interface different types of integrated circuit (IC) sockets

RF adapters are used to connect different waveguides and/or coaxial types.

PCMCIA serial adapter cards provide one or more serial ports for a host computer.

Serial communication adapters provide one or more serial ports to a host computer.

AC-DC adapters accept AC input voltage directly from a wall outlet, and output DC voltage

SCSI adapters and SCSI controllers (SCSI cards) are computer interface cards that are installed in an expansion slot.

Bus adapters connect peripherals to computers that do not provide native support for a peripheral's interface.