I/O ports transmit data via serial or parallel connections that can be manipulated from within the BIOS. External devices connect to a computer using Input/ Output ( I/O) ports. Internally they connect to the PCI slots, PCI express slots, IDE interface, SATA interface, or some other bus system.
Identify the appropriate connector or cable for various hardware components.Īll devices connect to the motherboard in some way.Identify connector types and associated cables.Identify the characteristics of connection interfaces.