Interview Questions
Operating System
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How many jobs can be run concurrently on MVT? |
| Ans:
15 Jobs. |
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What is process spawning? |
| Ans:
When the OS at the explicit request of another process creates a process, this action is called process spawning. |
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What is a drawback of MVT? |
| Ans:
It does not have the features like 1. Ability to support multiple processors. 2. Virtual storage. 3. Source level debugging. |
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Is Windows NT a full blown object oriented operating system? Give reasons. |
| Ans:
No Windows NT is not so, because its not implemented in object oriented language and the data structures reside within one executive component and are not represented as objects and it does not support object oriented capabilities. |
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What are the key object oriented concepts used by Windows NT? |
| Ans:
1. Encapsulation. 2. Object class and instance. |
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What is SMP? |
| Ans:
To achieve maximum efficiency and reliability a mode of operation known as symmetric multiprocessing is used. In essence, with SMP any process or threads can be assigned to any processor. |
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What are the four layers that Windows NT have in order to achieve independence? |
| Ans:
1. Hardware abstraction layer. 2. Kernel. 3. Subsystems. 4. System Services. |
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What has triggered the need for multitasking in PCs? |
| Ans:
1. Increased speed and memory capacity of microprocessors together with the support fir virtual memory. 2. Growth of client server computing. |
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What is page cannibalizing? |
| Ans:
Page swapping or page replacements are called page cannibalizing. |
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Paging a memory management function, while multiprogramming a processor management function, are the two interdependent? |
| Ans:
Yes. |