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What lead to the concept of paging? The main memory is separated into two parts that are one for the resident operating system, and one for the user processes. We may perhaps p
Q. Consider the subsequent page reference string: 1, 2, 3, 4, 2, 1, 5, 6, 2, 1, 2, 3, 7, 6, 3, 2, 1, 2, 3, 6. How many page faults would take place for the following replace
Write an application that does the following:(1) fill an array with 50 random integers; (2) loop through the array, displaying each value, and count the number of negative values;
Process termination A process terminates when it finishes implementing its final statement and asks the operating system to delete it by using the exit system call. At that tim
What is the difference between multiprocessing and multitasking? Multi programming means implementing more than one program but here whenever the processor is idle during execu
Q. What merit is there in having different time-quantum sizes on different levels of a multilevel queuing system? Answer: Processes that require more frequent servicing for ins
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
The question of fairness, regarding page eviction, is a hard one. How do we decide what is fair? Many operating systems use global LRU, where pages from all processes are managed t
Define a public key encryption system Allows just the correct receiver to decode the data
Explain the Resource Ownership by Platform Ownership of data items may further be complicated by concepts defined in certain operating systems. Each operating system defines "p
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