Question: 2. In 1 paragraph for each (a). How does a user application access system code within the Operating System? (list the steps, describe how CPU

2. In 1 paragraph for each

(a). How does a user application access system code within the Operating System? (list the steps, describe how CPU knows what code is running) (b). How are parameters passed to and results returned from a System Call? (describe possible mechanisms) (c). What are the steps taken to start up a computer?

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