Sep 7, 2025 · When you make changes to your BIOS configuration, the settings are not stored on the BIOS chip itself. Instead, they are stored on a special memory chip, which is called "the CMOS."

What are the CMOS and BIOS? CMOS stands for Complementary Metal-Oxide-Semiconductor, but you can instantly forget that since it’s not important. What matters is that in PCs, it refers to a tiny chunk …

Apr 14, 2023 · CMOS is a form of technology used in the design of a computer's memory chip that saves crucial configuration data, whereas BIOS is the code that runs on a computer's motherboard …

May 15, 2021 · A BIOS chip in a motherboard contains the program (firmware commonly called BIOS) to boot the computer. A CMOS chip stores the settings like date & time, fan speed, booting sequence.

Apr 1, 2025 · CMOS technically stands for Complementary Metal-Oxide Semiconductor. It is a physical portion of the motherboard. CMOS is a memory chip that holds configuration settings and is …

Mar 13, 2022 · Confused about CMOS vs BIOS? Learn how they work, differ, and power your PC together in this beginner-friendly breakdown.

While BIOS is responsible for the overall system initialization, CMOS stores the BIOS configuration settings, such as date, time, and hardware parameters. In summary, BIOS is the software that …

Aug 2, 2023 · The BIOS provides the first program that runs on computer startup, while the CMOS stores and maintains the BIOS configuration settings, which are important for various hardware setups.

Sep 13, 2018 · The main difference between BIOS and CMOS is that the BIOS is a firmware that performs hardware initialization when booting up the computer and provides runtime services for OS …

Jul 23, 2025 · No, BIOS (Basic Input/Output System) and CMOS (Complementary Metal-Oxide-Semiconductor) are not the same thing, though they are closely related and often confused.