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Department of Computer Science

Questionnaire Set #4

21. In the context of fundamental of Operating System, what is buffering?
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22. What is meant by the term deadlock in a concurrency control?
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23. What is meant by the term file protection in a file system?
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24. What is meant by the term kernel in a basic architecture?
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25. Within the context of process and thread management, explain the term context switching.
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26. Within the context of protection and security, explain the term protection.
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27 Within the context of security, explain the term authentication.
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28. Within the context of protection, explain the term access matrix.
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29. Within the context of basic architecture, explain the term shell.
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30. Within the context of deadlock, explain the term recovery.
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31. Differentiate between clock hardware and clock software.
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32. Differentiate between assembler and compiler.
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33. Differentiate between swapping and paging.
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34. What is the difference between multiprogramming and multitasking?
If NO, please state reason(s)
35. What is the difference between spooling and buffering?
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36. What is the difference between file support and file protection?
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37. How does multiprogramming differ from multitasking?
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38. How does segmentation differ from swapping?
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39. How does allocation algorithm differ from page replacement algorithm?
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40. Describe the differences between demand paging and overlay.
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