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1. What must a kernel provide for an effective user-level thread implementation?
2. With respect to the quantum q in a scheduling algorithm, explain and discuss the impact of the following on the operating system:
a) q is fixed and identical for all users.
b) q is fixed and unique to each user.
c) q is variable and identical for all users.
d) q is variable and unique to a each user.
3. Arrange the above schemes in question 2 from lowest to highest run-time overhead. Explain your answer.
4. Arrange the above schemes in question 2 from least to most responsive to variations in individual processes and system load. Explain you answer.
List two types of system directories A) Device directory:- Describing physical properties of files. B) File directory :- Giving logical properties of the files.
Write a short note on disk scheduling One of the responsibities of operating system O/S is to use the hardware efficiently. Whenever a process requires I/O to or from the
Write pseudo code to implement the pthread_create wrapper of the Tern memoizer. Note you need to describe your data structure for maintaining deterministic thread IDs. In addition,
What is a Process Control Block? Every process in the operating system is represented by a process control block as well called a task control block. It contains several pieces
unequal size partition
Write a short note about the different STATES of a process. As a process implement it changes state. The state of a process is described in part by the current activity of that
Explain Deadlock Every process in a set of processes is waiting for an event which only a process in the set can cause.
why we say " OS is a resource allocator" and “OS is a control program"?
Here are the conditions necessary for a deadlock to occur; note that all of them are necessary, and none is suf?cient: 1. ?nite resources: the resources are held in a mutually-e
What OS''s are available in market as open source?
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