In computing, BIOS (/ ˈbaɪɒs, - oʊs /, BY-oss, -⁠ohss; Basic Input/Output System, also known as the System BIOS, ROM BIOS, BIOS ROM or PC BIOS) is a type of firmware used to provide runtime …

After start-up, the BIOS program manages data flow between the OS and the peripherals, so neither the OS nor the application programs need to know the details of the peripherals (such as hardware …

Jul 9, 2021 · BIOS, which stands for Basic Input Output System, is software stored on a small memory chip on the motherboard. It's BIOS that's responsible for the POST and therefore makes it the very …

Sep 7, 2025 · Short for Basic Input/Output System, the BIOS (pronounced bye-oss) is a ROM (Read-Only Memory) chip found on motherboards that lets you access and set up your computer system at …

Jul 12, 2025 · BIOS stands for Basic Input/Output System. BIOS is the first program to run when the computer starts. It is a ROM chip (EEPROM chip) found on motherboards and is used for hardware …

Sep 17, 2025 · Let’s begin by answering the question, “What is a BIOS in a computer?” What is BIOS? BIOS, pronounced "BYE-oss," stands for Basic Input Output System and is software stored on a …

Aug 17, 2025 · BIOS in computer is the program that runs when you switch on your computer. It checks the basic hardware like the keyboard, mouse, display, and hard drive.

Jul 14, 2025 · One of the most critical yet often misunderstood parts of a computer system is the BIOS, or Basic Input/Output System. This firmware acts as the bridge between your hardware and …

Apr 11, 2023 · A computer's BIOS is a firmware program that controls a computer's boot sequence. It is stored on a ROM chip on the computer's motherboard and provides a user interface for several …

Nov 5, 2025 · BIOS (Basic Input/Output System) is firmware on a computer’s motherboard that initialises hardware, runs diagnostics (POST), and loads the operating system. It manages basic hardware like …