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BIOS POST (Power-on self test) is a series of system checks which the BIOS program runs when power is supplied to a computer. The purpose of the POST is to see that all the circuits are connected and to make sure the RAM chip, the drives and all the connected hardware are available.
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BIOS and the Power-on Self TestBIOS and the Power-on Self TestA computer can’t do much without instructions
The first thing the CPU does when you switch it onis to search for the operating system
This program immediately runs a series of systemchecks called the Power-On Self Test…
When you switch the power on and boot up your computer the CPU checks the ROM chip where the
basic input/output system (BIOS) program is stored.
BIOS
POST (Power-on self test) is a series of system checks which the BIOS program runs when power is supplied to a computer. The purpose of the POST is to see that all the circuits are connected and to make sure the RAM chip, the drives and all the connected hardware are available.
