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Andrew S. Tanenbaum (OS) Edition 4 Exercise 6 Question 41 (Page No. 470)

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Program a simulation of the banker’s algorithm. Your program should cycle through each of the bank clients asking for a request and evaluating whether it is safe or unsafe. Output a log of requests and decisions to a file.
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Andrew S. Tanenbaum (OS) Edition 4 Exercise 6 Question 33 (Page No. 468)
Main memory units are preempted in swapping and virtual memory systems. The processor is preempted in time-sharing environments. Do you think that these preemption methods were developed to handle resource deadlock or for other purposes? How high is their overhead?
Main memory units are preempted in swapping and virtual memory systems. The processor is preempted in time-sharing environments. Do you think that these preemption methods were developed to handle resource deadlock or for other purposes? How high is their overhead?
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Andrew S. Tanenbaum (OS) Edition 4 Exercise 6 Question 31 (Page No. 468)
One way to prevent deadlocks is to eliminate the hold-and-wait condition. In the text it was proposed that before asking for a new resource, a process must first release whatever resources it already holds ( ... new resource but lose some of the existing ones to competing processes. Propose an improvement to this scheme.
One way to prevent deadlocks is to eliminate the hold-and-wait condition. In the text it was proposed that before asking for a new resource, a process must first release whatever resources it already holds (assuming that is possible). However, doing so introduces ... that it may get the new resource but lose some of the existing ones to competing processes. Propose an improvement to this scheme.
asked Oct 30, 2019 in Operating System Lakshman Patel RJIT 53 views
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Andrew S. Tanenbaum (OS) Edition 4 Exercise 6 Question 30 (Page No. 468)
In an electronic funds transfer system, there are hundreds of identical processes that work as follows. Each process reads an input line specifying an amount of money, the account to be credited, and the account to be ... , solutions that lock one account and then release it immediately if the other is locked are not allowed.)
In an electronic funds transfer system, there are hundreds of identical processes that work as follows. Each process reads an input line specifying an amount of money, the account to be credited, and the account to be debited. Then it locks both accounts and transfers ... . (In other words, solutions that lock one account and then release it immediately if the other is locked are not allowed.)
asked Oct 30, 2019 in Operating System Lakshman Patel RJIT 61 views
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