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Operating Systems Concepts - Section 7 Multiple Questions and Answers.
| 28. | What is the name of the system which deals with the running of the actual computer and not with the programming problems? | ||
| A. | Operating system | ||
| B. | Systems program | ||
| C. | Object program | ||
| D. | Source program | ||
| 29. | What is the initial value of the semaphore to allow only one of the many processes to enter their critical section? | ||
| A. | 8 | ||
| B. | 1 | ||
| C. | 16 | ||
| D. | 0 | ||
| 30. | Four necessary conditions for deadlock to exist are: mutual exclusion, no-preemption, circular wait and | ||
| A. | hold and wait | ||
| B. | deadlock avoidance | ||
| C. | race around condition | ||
| D. | buffer overflow | ||
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