MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -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.

Detailed explanation-2: -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.

Detailed explanation-3: -BIOS, in full Basic Input/Output System, computer program that is typically stored in EPROM and used by the CPU to perform start-up procedures when the computer is turned on. Its two major procedures are determining what peripheral devices (keyboard, mouse, disk drives, printers, video cards, etc.)

Detailed explanation-4: -BIOS is alternately called ROM BIOS, PC BIOS, and System BIOS. BIOS is the first software that runs when you power on your system, performing an initial pack of diagnostic tests (POST, or Power On Self-Test) to see if there are any issues with the hardware. POST is the first step in your hardware’s boot sequence.

Detailed explanation-5: -BIOS, or Basic Input/Output System, is software stored on a small memory chip, also known as firmware. BIOS is found on the motherboard, and it is the very first software to run after a computer starts.