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AOS_Q2 - 1 A critical section is a program segment Ans...

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1) A critical section is a program segment Ans: where shared resources are accessed 2) A cycle in global wait-for graph with external node indicates Ans: There is a possibility of global deadlock 3) A cycle in global wait-for graph without external node indicates Ans: . A deadlock has occurred locally 4) A cycle in local wait-for graph indicates Ans: A deadlock has occurred locally 5) A program object that allows multiple program threads to share the same resource. Ans: Mutex 6) A real time operating system has Ans : Well defined fixed time constraints 7) In one of the deadlock prevention methods, impose a total ordering of all resource types, and require that each process requests resources in an increasing order of enumeration. This voilates the _______________ condition of deadlock Ans: Circular wait 8) it needs is called Ans: hold and wait 9) Locality of reference implies that the page reference being made by a process Ans: is likely to be the one of the pages used in the last few page references 10) More than one deadlock detector exists
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