The computer is an essential part of today’s human life.one of the questions will arise in our mind about how the computer will start before the Operating System will load. This all done by BIOS. So we want to know where the basic input/output system (bios) is stored on a motherboard in the computer system? We have explored the answer to this question and describe to you the fundamental importance of BIOS.
The basic input/output system (bios) is stored on a
The basic input/output system (bios) is stored on a non-volatile ROM chip on the motherboard.
Basic part of computer systems are RAM,CPU and motherboard.Here when you start the computer, then software name BIOS stored on a ROM on Motherboard loaded into RAM.CPU executes the BIOS program and performs the following operation.
- POST: Power on self-test will send signals to primary input-output devices. POST verifies that all basic I/O devices work correctly or not.
- Bootstrap Loader: Bootstrap loader will load the available operating systems boot.ini on RAM so the user can select the operating system from the list of operating systems.
- BIOS drivers: BIOS drivers are essential software to run hardware before the operating system loads.
- BIOS setup: Load basic BIOS setup of computer like date/time , computer password, etc.
can we update or upgrade bios?
Yes we can update the bios or upgrade the bios by changing the chip on motherboard.
In modern computer system the bios is stored on flash drive