Question

What statement concerning privileged instructions is considered false? They may cause harm to the system They can only be executed in kernel mode They are used to manage interrupts

Answer 1

Answer:

"They cannot be attempted from user mode" is the right answer which is missing in the question.

Explanation:

Missing information: The question content is not proper. In this question, there is one line missing, which is the correct answer and that is "They cannot be attempted from user mode."

Answer Explanation:

Privileged instructions are the instruction which is used by a processor for the security purpose. It used when the superuser mode is on. It is used for the security of the system so that no other resource can access the private file of the system. That's why this type of instruction used when--

• The system is in kernel mode not in the user mode.
• It is used to manage the signals interrupts given by the input-output system.
• It is also used in kernel mode because it is so powerful instruction that can harm the system.