Hardware Initialization — CompTIA A+ Core 1 (220-1101) Practice Questions

Hardware initialization is the process by which the BIOS or UEFI discovers, configures, and prepares all connected hardware components so the operating system can use them. This includes assigning IRQs and I/O addresses to devices, initializing the memory controller, and detecting storage drives. On the 220-1101 exam, understanding hardware initialization helps technicians troubleshoot scenarios where newly installed components are not recognized, or where the system fails to boot due to a misconfigured or faulty device.

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What does BIOS stand for?
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