Question $9$

$($a$).$ An operating system performs many functions in a computer system. Explain why an operating system is regarded as a resource manager, and give two examples of Operating Systems you are familiar with.

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$($b$)$ Despite the theoretical advances and practical work in the development of operating systems, interrupts and traps are encountered on daily basis when using computer systems. Distinguish between interrupt and trap; and give appropriate examples to illustrate your answer.

$($c$).$

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