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USER-LEVEL THREADS (ULT)
In this level the kernel isn't aware of the existence of threads -- All thread management is complete by the application by using a thread library. Thread switching doesn't require kernel mode privileges no mode switch and scheduling is application specific.
As we already know, threadsmust ensure consistency; otherwise, race conditions (non-deterministic results) might happen. Now consider the "too much milk problem": two people share
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PART A Question 1 Using your own words, explain what a continuous random variable and a continuous probability density function are. Give examples. Question 2 Gi
What criteria are important in choosing a file organisation?
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Consider a demand-paging system with the following time-measured utilizations: CPU utilization: 10%, Paging disk: 98%, Other I/O devices: 5%. What does this imply? How to improv
Under what circumstances would a user be better off using a time-sharing system, rather than a personal computer or single-user workstation? When there are some other users, th
with the aid of diagrams describe the following OS structure monolithic,layered and client server.
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