A power-on self-test (POST) is a process performed by firmware or software routines immediately after a computer or other digital electronic device is powered on. POST processes may set the initial state of the device and detect if any hardware components are non-functional.
A power-on self-test (POST) is a process performed by firmware or software routines immediately after a computer or other digital electronic device is powered on. POST processes may set the initial state of the device and detect if any hardware components are non-functional.
Source: Wikipedia "Power-on self-test" · CC BY-SA 4.0
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