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A system has 12 identical resources and Y processes competing for them. Each process can request at most 3 resources. Which one of the following values of Y could lead to a deadlock?
- a)5
- b)6
- c)7
- d)Both 6 and 7
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
A system has 12 identical resources and Y processes competing for them...
Understanding Deadlock in Resource Allocation
Deadlock occurs in a system when processes are unable to proceed because each is waiting for resources held by another. In this scenario, we analyze the potential for deadlock with 12 identical resources and Y processes, where each process can request a maximum of 3 resources.
Maximum Resources Requested
- Each process can request up to 3 resources.
- Therefore, for Y processes, the maximum resources that could be requested is 3Y.
Condition for Deadlock
- A deadlock can occur when the total number of resources is less than the total number of resources that could potentially be held by the processes.
- For deadlock to happen, the formula is: Total resources < (maximum="" resources="" requested="" by="" all="" processes)="" -="" (number="" of="" />
Calculation for Different Values of Y
1. For Y = 5:
- Maximum resources needed = 3 * 5 = 15
- Total resources (12) < 15="" (not="" a="" deadlock="" />
2. For Y = 6:
- Maximum resources needed = 3 * 6 = 18
- Total resources (12) < 18="" (deadlock="" />
3. For Y = 7:
- Maximum resources needed = 3 * 7 = 21
- Total resources (12) < 21="" (deadlock="" />
Conclusion
- Only when Y is 6 or 7 can the system potentially enter a deadlock, as the total resources available (12) are insufficient to satisfy the maximum requests from the processes.
- Thus, the correct answer is option 'D', as both 6 and 7 can lead to a deadlock situation.
Deadlock occurs in a system when processes are unable to proceed because each is waiting for resources held by another. In this scenario, we analyze the potential for deadlock with 12 identical resources and Y processes, where each process can request a maximum of 3 resources.
Maximum Resources Requested
- Each process can request up to 3 resources.
- Therefore, for Y processes, the maximum resources that could be requested is 3Y.
Condition for Deadlock
- A deadlock can occur when the total number of resources is less than the total number of resources that could potentially be held by the processes.
- For deadlock to happen, the formula is: Total resources < (maximum="" resources="" requested="" by="" all="" processes)="" -="" (number="" of="" />
Calculation for Different Values of Y
1. For Y = 5:
- Maximum resources needed = 3 * 5 = 15
- Total resources (12) < 15="" (not="" a="" deadlock="" />
2. For Y = 6:
- Maximum resources needed = 3 * 6 = 18
- Total resources (12) < 18="" (deadlock="" />
3. For Y = 7:
- Maximum resources needed = 3 * 7 = 21
- Total resources (12) < 21="" (deadlock="" />
Conclusion
- Only when Y is 6 or 7 can the system potentially enter a deadlock, as the total resources available (12) are insufficient to satisfy the maximum requests from the processes.
- Thus, the correct answer is option 'D', as both 6 and 7 can lead to a deadlock situation.
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Community Answer
A system has 12 identical resources and Y processes competing for them...
Data:
Available identical Resources = R = 12
Max needs per process = 3
Concepts:
Deadlock can occur If any process gets available resource < needed (requested) resource
Max resource per process to be in deadlock = needed – 1 = 3 – 1 = 2
For Y process, max resource to be in deadlock = Y × 2 = 2Y
Condition for deadlock
2Y ≥ R
2Y ≥ 12
Y ≥ 6
values of Y could lead to a deadlock is 6 and 7
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A system has 12 identical resources and Y processes competing for them. Each process can request at most 3 resources. Which one of the following values of Y could lead to a deadlock?a)5b)6c)7d)Both 6 and 7Correct answer is option 'D'. Can you explain this answer?
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A system has 12 identical resources and Y processes competing for them. Each process can request at most 3 resources. Which one of the following values of Y could lead to a deadlock?a)5b)6c)7d)Both 6 and 7Correct answer is option 'D'. Can you explain this answer? for Computer Science Engineering (CSE) 2025 is part of Computer Science Engineering (CSE) preparation. The Question and answers have been prepared according to the Computer Science Engineering (CSE) exam syllabus. Information about A system has 12 identical resources and Y processes competing for them. Each process can request at most 3 resources. Which one of the following values of Y could lead to a deadlock?a)5b)6c)7d)Both 6 and 7Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Computer Science Engineering (CSE) 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A system has 12 identical resources and Y processes competing for them. Each process can request at most 3 resources. Which one of the following values of Y could lead to a deadlock?a)5b)6c)7d)Both 6 and 7Correct answer is option 'D'. Can you explain this answer?.
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