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Posted By: vijay Member Level: Gold Posted Date: 07 Dec 2007
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2005 Andhra University operating systems Question paper
All Questions carry equal marks
First question is compulsory
Answer any 4 from the remaining
1a. When is a system in safe state?
1b. What is cycle stealing?
1c. What is meant by arm-stickiness?
1d. What are the stipulations of C2 level security?
1e. What is busy waiting?
1f. What are short-, long- and medium-term scheduling?
1g. What are turnaround time and response time?
2. Explain Belady's Anomaly.
3. What is a binary semaphore? What is its use?
4. What is thrashing?
5. List the Coffman's conditions that lead to a deadlock.
6. Explain the popular multiprocessor thread-scheduling strategies.
7. When does the condition 'rendezvous' arise?
8.Explain the concept of Reentrancy.
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