| 1. | Dual mode of operating system has |
| a. | 1 mode |
| b. | 2 modes |
| c. | 3 modes |
| d. | 4 modes |
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Answer: (b).2 modes
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| 2. | Multi-processor system gives a |
| a. | small system |
| b. | tightly coupled system |
| c. | loosely coupled system |
| d. | both a and b |
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Answer: (b).tightly coupled system
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| 3. | Logical extension of multiprogramming operating system is |
| a. | time sharing |
| b. | multi-tasking |
| c. | single programing |
| d. | both a and b |
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Answer: (d).both a and b
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| 4. | Multiprocessor system have advantage of |
| a. | Increased Throughput |
| b. | Expensive hardware |
| c. | operating system |
| d. | both a and b |
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Answer: (a).Increased Throughput
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| 5. | Scheduling of threads are done by |
| a. | input |
| b. | output |
| c. | operating system |
| d. | memory |
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Answer: (c).operating system
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| 6. | Multiprogramming of the computer system increases |
| a. | memory |
| b. | storage |
| c. | CPU utilization |
| d. | cost |
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Answer: (c).CPU utilization
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| 7. | Another type of multiple-CPU system is the |
| a. | mini Computer |
| b. | Super Computer |
| c. | Clustered System |
| d. | both a and b |
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Answer: (c).Clustered System
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| 8. | Interrupt table of pointers having addresses for each interrupt is located at |
| a. | high memory |
| b. | low memory |
| c. | mid memory |
| d. | both a and b |
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Answer: (b).low memory
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| 9. | Example of open source operating system is |
| a. | UNIX |
| b. | Linux |
| c. | windows |
| d. | both a and b |
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Answer: (d).both a and b
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| 10. | Main memory of the computer system is also called |
| a. | non volatile |
| b. | volatile |
| c. | reserved |
| d. | large |
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Answer: (b).volatile
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