FC0-U71 Tech Concepts and Terminology Practice Question
A technician is troubleshooting a computer that fails to boot. Which of the following types of firmware is responsible for initializing hardware and loading the operating system?
⚠ Common exam trap
The trap is confusing the bootloader with firmware — candidates who read 'loading the operating system' often pick 'boot loader,' but the question asks which firmware initializes hardware and initiates the OS load, which is BIOS/UEFI.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
BIOS/UEFI
BIOS (legacy) and UEFI (modern) are the firmware embedded on the motherboard that runs the Power-On Self-Test, initializes hardware components, and hands control to the bootloader to load the OS. This is the first code executed after power-on, making it the correct answer for 'responsible for initializing hardware and loading the operating system.'
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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Operating system kernel
Why it's wrong here
The kernel is the core of the operating system, loaded by the bootloader after firmware initialisation completes, so it cannot initialise the hardware that must already be running to load it. It is tempting because it manages hardware once running, making it correct when asked what controls devices after boot.
- ✓
BIOS/UEFI
Why this is correct
BIOS or UEFI firmware performs power-on self-test, initialises hardware components, and locates the bootloader to hand control to the operating system. This is the firmware layer responsible for both hardware initialisation and OS loading during the boot sequence.
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Boot loader
Why it's wrong here
A boot loader runs after firmware has already initialised the hardware, so it only locates and starts the kernel rather than performing that initialisation itself. It is tempting because it does load the operating system, making it the correct answer when the question asks what hands control from firmware to the OS.
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Device driver
Why it's wrong here
A device driver is software loaded by the running kernel to control a specific peripheral, so it cannot execute before any OS exists. It is tempting because drivers do initialise hardware, but only after boot, whereas firmware such as UEFI or BIOS performs power-on self-test and hands control to the bootloader.
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official CompTIA exam blueprint
This FC0-U71 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the FC0-U71 exam.