All terms in this list:

bit: The smallest unit of data that a binary computer can recognize.

byte: eight bits grouped together.

file: A named collection of bytes that represent virtually any type of data.

system unit: The main case of a computer.

circuit board: A thin board containing computer chips and other electronic components.

computer chip: A very small piece of silicon or other semiconducting material that contains integrated circuits and transistors.

motherboard: The main circuit board inside the system unit.

port: A connector on the exterior of the system unit case that is used to connect an external hardware device.