What Does System Unit Mean?
A system unit is the part of a computer that houses the primary devices that perform operations and produce results for complex calculations. It includes the motherboard, CPU, RAM and other components, as well as the case in which these devices are housed. This unit performs the majority of the functions that a computer is required to do.
Techopedia Explains System Unit
The system unit holds the system devices that perform calculations as requested from the input device, which can range from a microprocessor to a capacitor or system clock.
