järjestelmäkunta

Järjestelmäkunta is a Finnish term that translates roughly to "system unit" or "main unit" in English. It refers to the central component of a computer that houses the core processing and storage hardware. Typically, the järjestelmäkunta is the desktop tower or the all-in-one unit that contains the motherboard, CPU, RAM, storage drives (HDD or SSD), power supply, and often optical drives.

The term emphasizes the system's role as the primary hub for all computational operations. While peripherals like monitors, keyboards, and mice are essential for interaction, they are considered external to the järjestelmäkunta itself. This distinction is important in understanding computer hardware architecture and how components work together. The järjestelmäkunta performs the actual processing of data and runs the operating system and all installed applications. Its internal components determine the computer's overall performance and capabilities. In portable devices like laptops, the concept of a separate järjestelmäkunta is integrated into a single chassis, but the core functions remain the same.