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Q. What are two dreadful problems that designers should solve to implement a network-transparent system?
Answer: One such issue is making all the processors as well as storage devices seem transparent across the network. In other sense the distributed system must appear as a centralized system to users. The Andrew file system as well as NFS provides this feature the distributed file system appears to the user as a single file system however in reality it may be distributed across a network.
One more issue concerns the mobility of users. We want to permit users to connect to the "system" rather than to a specific machine (even though in reality they may be logging in to a specific machine somewhere in the distributed system).
Q. Explain the File-system manipulation? File-system manipulation there is several details in file allocation, creation, deletion and naming that users should not have to perfo
Define entry section and exit section. The critical section problem is to design a protocol that the processes can use to cooperate. Every process must request permission to e
What are the four necessary conditions of deadlock prevention? Ans: Four essential conditions for deadlock prevention: a. The meaning of removing the mutual exclusio
Explain the Thread Contextual Data Threads in Net Ware carry additional context as well. Per-thread, stacks, errno, Net Ware Errno, t_errno and others are available to the ap
Q. Explain about Spooling? Acronym for simultaneous peripheral operations on line. Spooling denotes to putting jobs in a buffer, a special area in memory or on a disk where
Safety algorithm : This is to make sure if the system is in safe state or not. It may need an order of m x n2 operation to determine if the state of the system is safe or not.
Define a layer that is not of an IO management module MCS that is Management Control System is not of an IO management module
Define logical address and physical address. An address formed by the CPU is referred as logical address. An address seen by the memory unit that is the single loaded into the
What is the exclusive feature of UNIX Shell is the exclusive feature of UNIX.
Now we consider the following questions: how can the parent process communicate with its child? Or how can children processes communicate with other children? The exact answer depe
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