CompTIA A+ Hardware Fundamentals

By Jordan Blake · Updated Jun 4, 2026

Questions23
Passing Score75%
Format70% Multiple Choice
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Question catalog for this preview

Catalog listing of the 5 preview questions for this quiz.

Question 1

The [[blank1]] connector is the main 24-pin power connector on ATX motherboards, providing multiple voltage rails (+3.3V, +5V, +12V) to the motherboard.

Question 2

A technician measures the 12V rail on an ATX power supply under load and gets a reading of 11.3V. According to ATX specifications, what does this indicate?

Answer choices

  • A. Normal operation — 12V rails can fluctuate between 11V and 13V

  • B. The PSU is out of specification — ATX requires ±5% tolerance (11.4V–12.6V)

  • C. The PSU is marginally acceptable — ATX allows ±10% tolerance

  • D. The reading is normal only if the system is stable under load

Question 3

Place the following steps in the correct order for replacing a laptop's SSD:

1. Power on the laptop and verify the new SSD is recognized in BIOS

2. Ground yourself with an ESD wrist strap

3. Remove the bottom panel screws and access the SSD slot

4. Power off the laptop and disconnect the battery

5. Install the operating system or restore from backup

6. Carefully remove the old M.2 SSD at a 30-degree angle

7. Insert the new M.2 SSD at a 30-degree angle and secure with the retention screw

Answer choices

  • A. Power on the laptop and verify the new SSD is recognized in BIOS

  • B. Ground yourself with an ESD wrist strap

  • C. Remove the bottom panel screws and access the SSD slot

  • D. Power off the laptop and disconnect the battery

  • E. Install the operating system or restore from backup

  • F. Carefully remove the old M.2 SSD at a 30-degree angle

  • G. Insert the new M.2 SSD at a 30-degree angle and secure with the retention screw

Question 4

Which tool should a technician use to safely discharge static electricity before handling sensitive computer components?

Answer choices

  • A. Anti-static spray applied to components

  • B. ESD wrist strap connected to a grounded surface

  • C. Rubber gloves to insulate hands from components

  • D. Compressed air to blow away static charge

Question 5

Which form factor is most commonly used in modern desktop motherboards and offers the widest expansion slot availability?

Answer choices

  • A. Mini-ITX

  • B. Micro-ATX

  • C. ATX

  • D. E-ATX