Bios provides the programming that enables the CPU to communicate with other hardware. Referenced from pg 209 in the Mike Meyers compTIA A+ guide to managing and troubleshooting PC's. Bazinga!
why it is necessary to have Bios in a PC
bios is PC not windows, bios can be loaded when you first start the pc, it normally has a hotkey like f8 f10 or f11
BIOS is checked during POST procedure which a PC passes each time when powered on. If POST fails, a PC user will be presented with series of beeps, sequences of which indicates a problem detected with BIOS itself or with a PC hardware.
BIOS
the ROM BIOS chip
You can find your PC specs by going into BIOS. Most of the computers open BIOS when 'del' key is pressed on booting the system. BIOS contains all the hardware specs of the system.
The IBM BIOS is the BIOS (Basic Input Output System), or firmware, of the original IBM PC. Most "PC" systems created to this very day maintain almost complete backwards-compatibility with the BIOS, in order to run older programs and legacy operating systems.
Clearing the BIOS password The BIOS password protects the BIOS from undesired changes. If password checking is enabled, and you need to disable it, use the following steps: # Turn off the PC and unplug the power cord. # Remove the JPWD1 jumper cap. # To enter BIOS setup, start the PC and press the F1 key as the PC boots. # Clear or reset the BIOS password. # Save the BIOS settings and turn off the PC. # Replace the JPWD1 jumper cap www.fomek.com
yes the bios does contain the startup information if it didnt it wouldn't run as soon as you press your button to turn the PC on ADG - 2K9
A software included in Windows or BIOS which assure the correct functionality of a PC.
In PCs the most common are AWARD, AMI and Phoenix. Some PC manufacturers use their own BIOS.
Flashing the BIOS basically means updating the firmware in your BIOS chip. You should always have a backup, and do this with extreme caution, as improperly flashing your BIOS could render your PC useless.