The BIOS provides drivers for basic hardware like keyboard and monitor, mouse, etc. … The operating system provides hardware for printer, modem, etc. Drivers for some hardware may not be available in the operating system hence these have to be explicitly installed by the user.
What is the difference between BIOS and OS?
BIOS (basic input/output system) is the program a computer’s microprocessor uses to start the computer system after it is powered on. It also manages data flow between the computer’s operating system (OS) and attached devices, such as the hard disk, video adapter, keyboard, mouse and printer.
What is the relationship between the BIOS and the operating system?
BIOS (basic input and output operation) checks everything before loading the operating system, it checks the drivers, memory, the hardwares connected, and also checks whether the operating system is present or not. Bios is used to configure operating system without starting it.
Is BIOS an operating system?
No, bios is not a part of OS. BIOS(Basic Input Output System) is a firmware that is used to perform hardware initialization during the booting process (power-on startup).
What is the relationship between CMOS battery and BIOS?
The BIOS is the program that starts a computer up, and the CMOS is where the BIOS stores the date, time, and system configuration details it needs to start the computer. The BIOS is a small program that controls the computer from the time it powers on until the time the operating system takes over.
Should be press to exit in BIOS?
Press the F10 key to exit the BIOS setup utility.
What is the most important role of BIOS?
BIOS uses Flash memory, a type of ROM. The BIOS software has a number of different roles, but its most important role is to load the operating system. When you turn on your computer and the microprocessor tries to execute its first instruction, it has to get that instruction from somewhere.
Is CMOS a RAM or ROM?
The BIOS is a ROM chip on the motherboard which contains code that tells the CPU how to interact and control the other components in the computer. The CMOS is also a chip on the motherboard but is a RAM chip with volatile memory which stores information about the computer components and their settings.