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Introduction to Operating Systems
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Introduction to Operating Systems
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25 Questions

1. _________ allocates the largest hole (free fragmant) available in the memory.
2. The kernel keeps track of the state of each task by using a data structure called __
3. Information about a process is maintained in a _________.
4. Which is the first program run on a computer when the computer boots up?
5. Which of the following memory allocation scheme suffers from External fragmentation?
6. Which technique was introduced because a single job could not keep both the CPU and the I/O devices busy?
7. The primary purpose of an operating system is:
8. In the multiprogramming system, a set of processes is deadlock if each process in the set is waiting for an event to occur that can be initialized only by another process in the set. Which of the following is not one of the four conditions that are necessary for deadlock to occur?
9. Special software to create a job queue is called a
10. An optimal scheduling algorithm in terms of minimizing the average waiting time of a given set of processes is ________.
11. The primary job of the operating system of a computer is to ________.
12. ___________ begins at the root and follows a path down to the specified file
13. The term ' Operating System ' means ________.
14. Number of CPU registers in a system depends on ____________.
15. Block or Buffer caches are used
16. ______ is used in operating system to separate mechanism from policy
17. A processor
18. Which directory implementation is used in most Operating System?
19. The term “operating system” means
20. A major problem with priority scheduling is _________.
21. In virtual memory systems, Dynamic address translation
22. Multiprogramming systems:
23. When a computer is first turned on or restarted, a special type of absolute loader is executed, called a
24. Inter process communication can be done through __________.
25. The problem of thrashing is effected scientifically by ________.

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