| 81. | Response time in time sharing of operating system is usually |
| a. | 1sec |
| b. | 1sec |
| c. | less than 1sec |
| d. | more than 1sec |
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Answer: (c).less than 1sec
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| 82. | One that is not a part of a desktop computer is |
| a. | mouse |
| b. | monitor |
| c. | printer |
| d. | keyboard |
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|
Answer: (c).printer
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| 83. | A single threaded process of operating system programs has |
| a. | One program counter |
| b. | Two program counters |
| c. | Three program counters |
| d. | Four program counters |
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Answer: (a).One program counter
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| 84. | Process creation is handled by |
| a. | input |
| b. | output |
| c. | operating system |
| d. | memory |
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Answer: (c).operating system
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| 85. | In a time-sharing system the operating system must ensure reasonable response time which is accomplished through? |
| a. | Operating System |
| b. | I/O Devices |
| c. | Virtual memory |
| d. | Swapping |
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Answer: (d).Swapping
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| 86. | Division by zero error are caused by |
| a. | user defined code |
| b. | OS code |
| c. | process |
| d. | interrupt |
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Answer: (a).user defined code
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| 87. | UMA related to computers, is an abbreviation of |
| a. | uniform memory access |
| b. | non uniform memory access |
| c. | under memory access |
| d. | uniform module access |
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Answer: (a).uniform memory access
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| 88. | Jobs of the computer system for execution are loaded into |
| a. | device |
| b. | registers |
| c. | memory |
| d. | both a and b |
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Answer: (c).memory
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| 89. | For Orderly access to the shared memory a computer system uses |
| a. | memory controllers |
| b. | microcontrollers |
| c. | device controllers |
| d. | macro controllers |
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Answer: (a).memory controllers
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| 90. | Interrupt mechanism for every computer system is |
| a. | same |
| b. | different |
| c. | pre-defined |
| d. | both a and b |
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Answer: (d).both a and b
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