In this session of Basic Information and Logical Values, we will be discussing about BIOS and UEFI.So far, we used to work with traditional BIOS which was present in the old systems. But now, the new systems are being introduced with UEFI features. A lot of people are already working with the UEFI systems, though most are unaware of the features and benefits of their UEFI systems. In this session, we will learn about BIOS and UEFI features, the benefit of the UEFI system and the reason behind BIOS being replaced by UEFI.