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Q. Explain about System Deadlock?
A deadlock denotes to the condition when simultaneous processes are holding resources and putting off each other from finishing their execution.
The consequent situations can avoid deadlock from happening:
1) Mutual exclusion: All processes are given exclusive control of resources allotted to it.
2) Non-preemption: A process isn't permitted to free its resources until task is completed.
3) Wait for: A process may hold resources at the same time as waiting for extra resources.
4) Circular wait: Many processes wait for resources from other processes in a circularly dependent circumstance.
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addition c program for token separation
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Telephone Traffic is measured in (A) Seconds. (B) Hours. (C) Erlang (D) Pulses per minute. Ans: Telephone Traffic is measured in Erlang.
What is a Map? A Map is an Array, which having the addresses of the free space in the swap device that are allocatable resources, and the number of the resource units available
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