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Operating Systems Review
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Operating Systems Review
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25 Questions

1. Process is ........................
2. Which one of the following is not the function of Operating System?
3. In the bakery algorithm to solve the critical section problem :
4. The interval from the time of submission of a process to the time of completion is termed as
5. The TestAndSet instruction is executed :
6. The ready queue is nothing but a list of ……….. implemented as a linked list
7. The processes that are residing in main memory and are ready and waiting to execute are kept on a list called
8. By using the specific system call, we can
9. Which is non pre-emptive
10. In which type of allocation method each file occupy a set of contiguous block on the disk?
11. . To avoid deadlock
12. Swap space exists in
13. The process related to process control, file management, device management, information about system and communication that is requested by any higher level language can be performed by __________.
14. Run time mapping from virtual to physical address is done by
15. ............... refers to the ability of multiple process (or threads) to share code, resources or data in such a way that only one process has access to shared object at a time.
16. A critical region
17. ................... is a facility that allows programmers to address memory from a logical point of view, without regard to the main memory, physically available.
18. Memory management technique in which system stores and retrieves data from secondary storage for use in main memory is called
19. If no cycle exists in the resource allocation graph :
20. A state is safe, if :
21. Virtual memory allows :
22. A situation where the total size of hole is divided into a set of smaller holes is large enough to hold another process for execution but the process cannot be loaded, as the hole is not contiguous. This is known as -------------.
23. ______ is a high level abstraction over Semaphore.
24. Optimal page – replacement algorithm is :
25. Which of the following is not the state of a process ?

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