| 1. | What is operating system? |
| a. | collection of programs that manages hardware resources |
| b. | system service provider to the application programs |
| c. | link to interface the hardware and application programs |
| d. | all of the mentioned |
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Answer: (d).all of the mentioned
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| 2. | To access the services of operating system, the interface is provided by the |
| a. | system calls |
| b. | API |
| c. | library |
| d. | assembly instructions |
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Answer: (a).system calls
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| 3. | Which one of the following is not true regarding operating system? |
| a. | kernel is the program that constitutes the central core of the operating system |
| b. | kernel is the first part of operating system to load into memory during booting |
| c. | kernel is made of various modules which can not be loaded in running operating system |
| d. | kernel remains in the memory during the entire computer session |
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Answer: (c).kernel is made of various modules which can not be loaded in running operating system
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| 4. | Which one of the following error will be handle by the operating system? |
| a. | power failure |
| b. | lack of paper in printer |
| c. | connection failure in the network |
| d. | all of the mentioned |
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Answer: (d).all of the mentioned
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| 5. | By operating system, the resource management can be done via |
| a. | time division multiplexing |
| b. | space division multiplexing |
| c. | both (a) and (b) |
| d. | none of the mentioned |
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Answer: (c).both (a) and (b)
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| 6. | If a process fails, most operating system write the error information to a |
| a. | log file |
| b. | another running process |
| c. | new file |
| d. | none of the mentioned |
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Answer: (a).log file
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| 7. | Which facility dynamically adds probes to a running system, both in user processes and in the kernel? |
| a. | DTrace |
| b. | DLocate |
| c. | DMap |
| d. | DAdd |
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Answer: (a).DTrace
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| 8. | Which one of the following is not a real time operating system? |
| a. | VxWorks |
| b. | Windows CE |
| c. | RTLinux |
| d. | Palm OS |
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Answer: (d).Palm OS
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| 9. | The OS X has |
| a. | monolithic kernel |
| b. | hybrid kernel |
| c. | microkernel |
| d. | monolithic kernel with modules |
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Answer: (b).hybrid kernel
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| 10. | Multi processor system that computer system have are also called |
| a. | parallel systems |
| b. | tightly coupled system |
| c. | loosely coupled system |
| d. | both a and b |
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Answer: (d).both a and b
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