COMPTIA A+ Practice Exam

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What does the P4 connector supply?

  1. +5VDC to the RAM

  2. +12VDC to the CPU

  3. +3.3VDC to the GPU

  4. +7VDC to the HDD

The correct answer is: +12VDC to the CPU

The P4 connector supplies +12VDC to the CPU. The other options are incorrect because the RAM typically receives +3.3VDC and +5VDC from other connectors such as the ATX and SATA connectors, respectively. The GPU also typically receives +3.3VDC and +5VDC from other connectors. The HDD typically receives +12VDC and +5VDC from other connectors such as the SATA and Molex connectors, respectively. Therefore, the P4 connector is specifically designed to provide power to the CPU, making option B the correct answer.

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