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What does BIOS load in order to start an operating system?1 pointThe user interfaceUEFIThe bootloaderAn anti-virus application

Question

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Solution

The BIOS loads the bootloader in order to start an operating system.

Here are the steps:

  1. When you turn on your computer, the BIOS (Basic Input Output System) or UEFI (Unified Extensible Firmware Interface), which is a type of firmware, performs some initial checks and setups, like checking the hardware and the memory. This is known as the POST (Power-On Self-Test).

  2. After the POST, the BIOS/UEFI looks for a bootloader on the storage devices in the order that has been configured (like your hard drive, a CD/DVD, or USB drive).

  3. The bootloader, which is a small program stored in a special section of the hard drive (called the boot sector), is then loaded into memory. The bootloader's job is to start the operating system.

  4. The bootloader loads the operating system into memory and hands over control of the computer to it.

So, the BIOS doesn't load the user interface, UEFI, or an anti-virus application to start an operating system. It loads the bootloader.

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