What is BIOS Full Form, Meaning, And Definition

On this page, We are going to learn about the full form of BIOS and the meaning of BIOS in computer, As well as the meaning, definition, abbreviation, and acronym for BIOS in different categories. So you should read this post till the end.

The Full Form of BIOS: Basic Input Output System

BIOS stands for Basic Input Output System. The Basic Input Output System (BIOS) is firmware that is embedded in a small memory chip on the computer’s motherboard.

It is responsible for booting up the computer and testing the hardware components to make sure they are functioning properly. The BIOS also allows you to change some settings on your computer, such as the boot order of your drives.

The BIOS also provides a basic interface for users to interact with the computer. When you first turn on a computer, the BIOS will run a series of tests called the Power On Self Test (POST). Once the POST is complete, the BIOS will then load the operating system.

Where are Bios installed on the computer?

The BIOS is stored in the EEPROM (Electrically Erasable and Programmable Read-Only Memory) chip on the motherboard. it’s a type of non-volatile ROM chip, which means, you can update or rewrite the BIOS. All the settings of the bios program are stored in the CMOS chip.

What is The main function of BIOS?

The BIOS running in memory includes all the various drivers that provide an interface to the hardware on the OS. The BIOS is preloaded into the CPU ROM chip.

what is the meaning and full form of bios
what is the meaning and full form of bios
  • POST: Power on self-test checks whether the computer’s processor, memory, chipset, video, adapter, disk controller, disk drive, keyboard, and other components are working properly.
  • SETUP: Enables you to configure motherboard and chipset settings System configuration and setup programs are usually menu-based programs that are activated by pressing a special key during POST.
  • BIOS: is a collection of drivers that act as a basic interface between the OS and your hardware when the system boots.
  • BOOTSTRAP LOADER: Reads the hard disk drive’s boot sector to load the OS. It is a program that is stored in the computer’s ROM or EPROM which is automatically executed by the processor when the computer is turned on.

How does BIOS work?

When you turn on your computer, Bios checks that all hard disks, RAM, processors, keyboards, mice, printers, scanners, etc, are working properly or not.

When the Bios check that all the components of the computer are working correctly or properly, then the Bios turn on the computer or laptop Bios.

How to access BIOS?

When your PC is turned on, press F2, F12, Delete, or Esc immediately. Depending on the manufacturer, every PC has a different BIOS key. The first thing you need for your Computer or laptop model because each computer PC has its own keys to open the BIOS setting, such as:-

CompanyBios setting key
HPESC or F10
DellF2 or F12
AcerF2 or DEL
ASUSF2 for all PCs
F2 or DEL for Motherboards
Lenovo (ThinkPads)Enter + F1
SonyF1, F2, or F3
MSIDEL for Motherboard and PC
Lenovo (Desktop)F1
LenovoF2 or Fn + F2
How to access BIOS setting key

It is also identified in the computer which is an Input device like RAM, Processor, Graphic Card, SMPS, etc., or which is an Output device like Keyboard, Mouse, Printer, Scanner, etc.


How do I access Bios setting?

there are many types of combination key that is used to access the bios setting for example – DelF2F10, or Ctrl + Alt + Esc

What is the main function of BIOS

BIOS is responsible for booting your computer’s operating system. Bios also check other settings, such as-

i. Check CMOS setup for custom settings.
ii. Loading interrupts handlers and device drivers.
iii. Performing power-on self-test (POST).
iv. Display system settings.
vi. Deciding which devices can boot.

How to check the BIOS system version?

The System Information Panel can be used to check your BIOS version. In the System Information window, you can also find the BIOS version number. If you are using Windows 7, 8, or 10, hit Windows+R, type “msinfo32”, and then click OK. The System Summary will display the BIOS version number.

How to Update BIOS in computer

Bois update improves Errors and Bugs in your computer so, from time to time it should be updated. You can download BIOS updates from motherboard manufacturers’ websites.

How to Reset BIOS

If you’re having trouble booting your computer or laptop, you can reset your default BIOS setting with the help of easy steps.
1. Press and hold the power button for 10 seconds, or until your system shuts down completely.
2. Restart your computer.
3. Press your computer’s BIOS key.
4. Select the “Restore Defaults” option.
5. Finally press F10 Press the Enter key to save all changes and exit the BIOS screen.

Why does BIOS is used for?

Bios is used for Loading operating systems and it also checks that all computer components are working properly or not.

Is BIOS hardware or software?

The computer’s BIOS connects the major hardware components to the operating system via special software. Most often, it is stored on the flash memory chip on the motherboard, but it can also be stored on another type of ROM chip.