TestOut LabSim A+ Certification Practice Exam

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During a CPU upgrade, which of the following should be checked for compatibility?

Power supply wattage
Operating system version
Motherboard documentation
Graphics card model

The correct answer is: Motherboard documentation

When upgrading a CPU, it is crucial to check the motherboard documentation for compatibility. The motherboard is the central component that dictates what type of CPU can be installed. This documentation typically includes information about the CPU socket type, supported CPU generations, and maximum specifications like clock speed and thermal design power (TDP). Without this compatibility, the new CPU may not physically fit into the socket or may not function correctly, even if it fits. While the power supply wattage is important for overall system stability and to ensure it can adequately support all components, the direct compatibility for a CPU upgrade primarily stems from the motherboard. The operating system version and graphics card model play lesser roles in the immediate compatibility of the CPU itself, as these components do not directly influence the CPU's operational compatibility with the motherboard.