| 71. | Which of the following is correct regarding operating system? |
| a. | It manages the computer hardware. |
| b. | It executes user programs. |
| c. | Provide system services to the application. |
| d. | All of the above. |
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Answer: (d).All of the above.
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| 72. | The main function of the command interpreter is |
| a. | To handle the compiler. |
| b. | To handle the parser. |
| c. | To get and execute the next user-specified command. |
| d. | None of the above. |
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Answer: (c).To get and execute the next user-specified command.
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| 73. | The procedure of starting a computer by loading the kernel is known as |
| a. | Starting of kernel |
| b. | Booting the system. |
| c. | Loading the API. |
| d. | None of the above. |
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Answer: (b).Booting the system.
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| 74. | Shell is the exclusive feature of which software? |
| a. | UNIX |
| b. | DOS |
| c. | System software |
| d. | Application software |
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Answer: (a).UNIX
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| 75. | The address generated by the CPU is referred to as: |
| a. | physical address |
| b. | logical address |
| c. | physical as well as logical address. |
| d. | None of the above |
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Answer: (b).logical address
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| 76. | Which of the following scheduling algorithm is non-preemptive? |
| a. | Multilevel feedback queue. |
| b. | Round Robin |
| c. | FIFO |
| d. | None of the above. |
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Answer: (c).FIFO
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| 77. | What will a simple two pass assembler do in the first pass? |
| a. | It will allocate space for the literals. |
| b. | It will generate the code for all the load and store register instruction. |
| c. | It will build the symbol table for the symbols and their values. |
| d. | It will compute the total length of the program. |
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Answer: (a).It will allocate space for the literals.
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| 78. | Your system response time is very poor. What may be the reason? |
| a. | Process is busy |
| b. | I/O rates may be high |
| c. | High paging rates |
| d. | All of the above |
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Answer: (d).All of the above
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| 79. | The volatile storage is/are |
| a. | Main memory |
| b. | Cache |
| c. | Register |
| d. | All of the above. |
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Answer: (d).All of the above.
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| 80. | Which of the following loader is executed when a system is first turned on or restarted |
| a. | Boot loader |
| b. | Compile and Go loader |
| c. | Bootstrap loader |
| d. | Relating loader |
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Answer: (c).Bootstrap loader
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