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Operating Systems Concepts - Section 8 Multiple Questions and Answers.
| 11. | What is the name of the operating system which was originally designed by scientists and engineers for use by scientists and engineers? | ||
| A. | XENIX | ||
| B. | UNIX | ||
| C. | OS/2 | ||
| D. | MS DOS | ||
| 12. | The most common security failure is | ||
| A. | carelessness by users | ||
| B. | depending on passwords | ||
| C. | too much emphasis on preventing physical access | ||
| D. | insufficient technology used to prevent breaches | ||
| 13. | Block or buffer caches are used | ||
| A. | to improve disk performance | ||
| B. | to handle interrupts | ||
| C. | to increase the capacity of main memory | ||
| D. | to speed up main memory read operation | ||
| 14. | The practice of "bundling" refers to | ||
| A. | selling computers alone | ||
| B. | selling peripheral devices with computer | ||
| C. | selling software to run on computers | ||
| D. | giving away software with a computer purchase | ||
| 15. | Special software to create a job queue is called a | ||
| A. | Drive | ||
| B. | Spooler | ||
| C. | Interpreter | ||
| D. | Linkage editor | ||
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