A. Answer the following questions: Describe the two general roles of an operating system and elaborate why...

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Programming

A. Answer the following questions: Describe the two generalroles of an operating system
and elaborate why these roles are important.
B. What is a process? What are attributes of a process?
C. Describe the three state process model, describe whattransitions are valid between the
three states, and describe an event that might cause such atransition.
D. What is the function of the ready queue?
E.. What is the producer consumer problem? Give an example ofits occurrence in operating
systems.

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A An operating system is an intermediate layer between hardware and application software 1 The major role of an operating system is to ensure correct operation of the computer system Dual mode of operationUser mode and Kernel mode privileged instructions such as IO instructions and halt instructions which can be executed only in kernel mode memory protectionand timer interrupt are basic building blocks used by operating system to See Answer

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