Which security feature in modern CPUs protects memory areas that contain part of the operating system from malware attacks?

Which security feature in modern CPUs protects memory areas that contain part of the operating system from malware attacks?

  • encryption
  • TPM
  • execute disable bit
  • LoJack
    Explanation:

    The execute disable option can be turned on, if the feature is supported by the OS, to prevent malicious code from being executed inside a specific memory area that contains operating system files.