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A friend has promised to log in at a particular time. However, he needs to be contacted as soon as he logs in. The shell script checks after every minute whether he has logged in o
Q. Illustrate the Operating System Components? Modern operating systems share the goal of supporting system components. System components are: 1. Process Management 2.
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
Q. In following Section we mentioned that disabling interrupts frequently could affect the system's clock. Describe why it could and how such effects could be minimized.
Problem 1. What is kernel? What are the main components of a kernel? Defining Kernel Explaining Main components of Kernel 2. What is mutual exclusion? What are i
address binding at load time
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
Grouping Threads That Execute Similar Functions Thread Groups are generally used to group threads that execute similar functions of the application program. For instance, if
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
Explain what ISAM is. Indexed sequential access method. The file is stored in sorted order. ISAM has a master index file, indicating in what part of another index file the key
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