Käynnistymisvaiheet
Käynnistymisvaiheet refers to the sequence of events that occur when a computer or electronic device is turned on. This process is essential for the device to become operational and load its operating system. The initial stage involves the power-on self-test (POST), a diagnostic check performed by the system's firmware to verify that essential hardware components are functioning correctly. This includes checking the CPU, RAM, and other critical hardware.
Following a successful POST, the system's firmware, often called the BIOS or UEFI, searches for a bootable
The operating system kernel then takes over control of the system. It initializes various hardware drivers,