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Operating Systems Concepts - Section 5 Multiple Questions and Answers.
| 11. | Which of the following systems software does the job of merging the records from two files into one? | ||
| A. | Security software | ||
| B. | Utility program | ||
| C. | Networking software | ||
| D. | Documentation system | ||
| 12. | Fork is | ||
| A. | the dispatching of a task | ||
| B. | the creation of a new job | ||
| C. | the creation of a new process | ||
| D. | increasing the priority of a task | ||
| 13. | Thrashing | ||
| A. | is a natural consequence of virtual memory systems | ||
| B. | can always be avoided by swapping | ||
| C. | always occurs on large computers | ||
| D. | can be caused by poor paging algorithms | ||
| 14. | Supervisor state is | ||
| A. | never used | ||
| B. | entered by programs when they enter the processor | ||
| C. | required to perform any I/O | ||
| D. | only allowed to the operating system | ||
| 15. | Which of the following instruction steps, would be written within the diamond-shaped box, of a flowchart? | ||
| A. | S = B - C | ||
| B. | IS A<10 | ||
| C. | PRINT A | ||
| D. | DATA X,4Z | ||
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