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What is the minimum processor requirement for Windows Vista?

  1. 800MHz

  2. 1GHz

  3. 1.2GHz

  4. 512MHz

The correct answer is: 800MHz

Windows Vista has a minimum requirement of a processor with 800MHz speed. B, C, and D are incorrect because they all have higher processor speeds than the minimum requirement. An adequate processor speed is important for the smooth functioning of the operating system and running various programs. Therefore, a processor with a speed lower than 800MHz may not be able to handle the demands of Windows Vista effectively.