Question: Hello there! Can someone here help me out with these problems? a. Why do some systems store the operating system in firmware, while others store

Hello there! Can someone here help me out with these problems?

a. Why do some systems store the operating system in firmware, while others store it on disk?

b. What is the main advantage of layered approach to system design? What are the disadvantages of layered approach?

c. What are the two models of inter-process communication? What are the strengths and weaknesses of the two approaches?

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