COMPTIA A+ Practice Exam 2026 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 525

What voltage does DDR2 RAM operate at?

2.5V

1.8V

DDR2 RAM operates at a voltage of 1.8V, making option B the correct answer. This technology replaced DDR1 RAM, which operated at 2.5V (option A). Option C is incorrect because it refers to the voltage used by earlier generation RAM. Option D is also incorrect because it is the operating voltage for DDR3 RAM. It is important to know the correct operating voltage for your RAM in order to ensure proper functioning and avoid any potential damage.

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3.3V

1.5V

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