Computer System Architecture

161. Which is a situation in which some process wait for each other’s actions indefinitely:

1. Operating system
2. Deadlock
3. Mutex
4. None of these

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162. ____________ system handles only deadlocks caused by sharing of resources in the system:

1. Operating system
2. Deadlock
3. Mutex
4. None of these

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163. A deadlocks occurs when the how many conditions are met:

1. 1
2. 2
3. 3
4. 4

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164. Which are the characteristics of deadlocks:

1. Mutual exclusion
2. Hold and wait
3. No pre-emption
4. Circular wait
5. All of these

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165. RAG stands for:

1. Resource allocation graph

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166. How many events concerning RAG can occur in a system:

1. 1
2. 2
3. 3
4. 4

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167. Which are the events concerning RAG can occur in a system:

1. Request for a resource
2. Allocation of a resource
3. Release of resource
4. All of these

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168. How many methods for handling deadlocks:

1. 1
2. 2
3. 3
4. 4

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169. Which are the method for handling deadlocks:

1. Deadlock prevention
2. Deadlock avoidance
3. Deadlock detection
4. All of these

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170. How many condition that should be met in order to produce a deadlock:

1. 2
2. 4
3. 6
4. 8

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