The process confirms the integrity of the calculator’s operating system during startup. This ensures that the software responsible for the calculator’s core functionalities has not been corrupted or altered. For example, if the process detects an inconsistency, it may trigger an error message or prevent the calculator from fully booting, safeguarding against unpredictable behavior.
Successful completion provides assurance that the device is operating with its intended software, crucial for accurate calculations and reliable program execution. Its historical roots stem from the need to protect against unauthorized software modifications and potential vulnerabilities. Over time, this mechanism has become an integral part of device security in various embedded systems, including graphing calculators.