BIOS

It stands for the Basic Input Output System and the work of it is to check the status of your computer when you start your computer then it will check each component of your computer.

It checks the each hardware and the peripheral device whether they are working properly or not, if working properly then doesn't show any message in case any problem is there then it will show you big display message on the screen , as if you have noticed that sometimes when you start your computer error message or something else will by displayed to you.

Basic input output function

For example- when you start your computer then the error message like virtual memory too low is displayed on the screen then there is program running on your computer that will consume all of your catch or the secondary memory that will act as a virtual memory.

It is the default feature provided in the window which consist of POST that stands for power on self test, as the name suggest you it will test the peripherals and make you aware with the devices which are not cooperating with your system.

It is sometimes also used as a troubleshoot tools along with the diagnostics software to check the working of the computer.

If this is not working properly then it is difficult foe you to locate the fault because the technical person firstly makes a use of it to determine which kind of fault is there and after that uses the other diagnostic tools.

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Role of BIOS in Fault Detection

BIOS

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