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Engineering
Computer Engineering
Given that there are FIVE (5) processes (A, B, C, D and E) and FOUR (4) resources (R1, R2, R3 and R4) involved in a project. Assume that all the resources are non-sharable and the number of instances for each resource is 2, 3, 2, 3 respectively. *Process A holds one instance of R1, R2 and R4. It requests one instance of R3. * Process B holds one instance of R1 and R3. It requests one instance of R4. * Process C holds one instance of R2 and R4. * Process D holds one instance of R2 and R4. It requests one instance of R1. * Process E holds one instance of R3. It requests one instance of R2. (i) Draw a directed resources allocation graph for the above scenario and Are these five processes in a deadlock state? Justify your answer.

Given that there are FIVE (5) processes (A, B, C, D and E) and FOUR (4) resources (R1, R2, R3 and R4) involved in a project. Assume that all the resources are non-sharable and the number of instances for each resource is 2, 3, 2, 3 respectively. *Process A holds one instance of R1, R2 and R4. It requests one instance of R3. * Process B holds one instance of R1 and R3. It requests one instance of R4. * Process C holds one instance of R2 and R4. * Process D holds one instance of R2 and R4. It requests one instance of R1. * Process E holds one instance of R3. It requests one instance of R2. (i) Draw a directed resources allocation graph for the above scenario and Are these five processes in a deadlock state? Justify your answer.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Given that there are FIVE (5) processes (A, B, C, D and E) and FOUR (4) resources (R1, R2,
R3 and R4) involved in a project. Assume that all the resources are non-sharable and the number of instances for each resource is 2, 3, 2, 3 respectively.


*Process A holds one instance of R1, R2 and R4. It requests one instance of R3.
* Process B holds one instance of R1 and R3. It requests one instance of R4.
* Process C holds one instance of R2 and R4.
* Process D holds one instance of R2 and R4. It requests one instance of R1.
* Process E holds one instance of R3. It requests one instance of R2.


(i) Draw a directed resources allocation graph for the above scenario and Are these five processes in a deadlock state? Justify your answer.

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