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!

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What voltage does PC3-6400 use?

  1. 2.5V

  2. 1.8V

  3. 1.5V

  4. 3.3V

The correct answer is: 1.5V

PC3-6400 is a type of DDR3 memory and it uses 1.5V to operate. This type of memory module also has an operating frequency of 800MHz. Therefore, options A and B (2.5V and 1.8V) are incorrect as they are not the standard voltage for DDR3 memory. Option D (3.3V) is also incorrect as this is the standard voltage for DDR2 memory.

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