Operating System INTERVIEW QUESTION & ANSWERS
| 5. |
What is Microkernels? |
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- Microkernels is a small operating system core that provides the foundation for modular extensions.
- The main function of microkernel is to provide a communication facility between the client program and the various services that are also running in user space.
.- The Microkernel also provides more security and reliability. So most of the services are running as user rather than Kernel processes.
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The Microkernel approach was popularized by its use in the mach operating system.
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Microkernel in Windows NT provides portability and modularity.
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| 6. |
What are the benefits of microkernel? |
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- Microkernel allows the addition of new services.
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Microkernel design imposes a uniform interface on requests made by a process.
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Modular design helps to enhance reliability.
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It is flexible because existing features can be subtracted to produce a smaller and more efficient architecture.
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| 7. |
Define distributed system? |
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A distributed operating system is one that looks to its users like an ordinary operating system but runs on multiple, independent CPU. |
| 8. |
What are the major goals of an operating system? |
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- Any operating system should meet the following major goals.
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Optimize the Use of Computer Resources as to maximize its throughput.
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Create a User Friendly Computing Environment for accessing the Computer Resources.
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