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Write a note on multithreading.
Multithreading is the capability of an operating system to execute different parts of a program called as threads, at the same time. The programmer should carefully design the program in such a way that all the threads can run at the same time without interfacing with each other.
Q. Advantages and disadvantages of multiprogramming? Advantages 1. High CPU utilization. 2. It appears that many programs are allotted CPU almost concurrently. D
1. On every access, mark the page with a timestamp. Whenever we need to evict a page, we search through memory for the oldest page, the least-recently used page. But we need memory
Q. Under what conditions do page faults occur? Explain the actions taken by the operating system when a page fault occurs. Answer: A page fault take places when an access to
Enhanced Second chance algorithm In this a modify bit is as well used. Now if the ordered pair of reference and modify is (0,0) neither recently used nor modified - the best
Deadlock Prevention Prevention is the name given to method that guarantee that deadlocks can never happen for the reason that the way the system is structured. Since 4 conditio
Scalability : Scalability is the competence of the system to adapt to increased service load. A scalable system will respond more gracefully to increased load than a non-sc
Process States A total of nine states are acknowledged by the UNIX system. They are like as follow: User running Executing
linked allocation using i node
What are the various scheduling criteria for CPU scheduling? The various scheduling criteria are CPU utilization
operating systems and its types together with its design issues and their examples.
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