Question: Problem 4: Why do practically all contemporary computer systems have the two modes discussed in the textbook and lecture/slide deck, namely, the user / application

Problem 4: Why do practically all contemporary computer systems have the two modes discussed in the textbook and lecture/slide deck, namely, the user / application and the kernel / system modes? Explain in 2-3 to-the point sentences. Then list 3 examples of specific operations that should only be allowed in the kernel mode.

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