COMPTIA A+ Practice Exam

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Ace your COMPTIA A+ certification with our practice exam. Engage with a variety of questions including multiple choice and performance-based, complete with hints and detailed explanations. Prepare effectively and boost your confidence for the big day!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.

What voltage and pin configuration does PC3-12800 use?

1.2V 288 pin DIMM
1.5V 240 pin DIMM
1.35V 214 pin DIMM
1.5V 288 pin DIMM

The correct answer is: 1.5V 240 pin DIMM

PC3-12800 uses a voltage of 1.5V and a pin configuration of 240 pins. Option A is incorrect because it corresponds to the voltage and pin configuration used by DDR4 RAM. Option C is incorrect because it corresponds to the voltage and pin configuration used by DDR3L RAM. Option D is incorrect because although it has the correct pin configuration, the voltage is incorrect. It's important to check the specifications of your computer's motherboard to ensure compatibility when upgrading or purchasing RAM.