Final answer:
Peripheral Component Interconnect (PCI) is a parallel expansion bus and slot type used to attach hardware devices to the motherboard.
Step-by-step explanation:
True
Peripheral Component Interconnect (PCI) is indeed an example of a parallel expansion bus used for attaching hardware devices to the motherboard.
It is represented by a corresponding slot type on the motherboard. PCI allows for high-speed communication between the components connected to it.