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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).
Compare user threads and kernel threads. User threads:- User threads are supported above the kernel and are executed by a thread library at the user level. Thread creation
Identifying parallelism A formal way to identify parallelism in an activity is to draw a task dependence graph in a directed graph in which each vertex represents a task to
list trhe various classification of model and types?
Q. Why is it complicated to protect a system in which users are allowed to do their own I/O? Answer: In earlier chapters we identified a distinction among kernel and user mod
Short term scheduling The short term scheduler as well known as the dispatcher executes most frequently and makes the fine grained decision of which process to execute next. Th
what is the need-to-know principle? why is it important for a protection system to adhere to this principle?
Tree structured directories: This is the main common directory structure. The tree has a root directory as well as every file in the system has a unique path name. A directory
Ask question #Minimum 100 words accepted application of bounded and unbounded buffers
What is parsing Parsing is the procedure of analyzing a text, made of a sequence of tokens, to define its grammatical structure regarding to a given formal grammar. Parsing is
Q. Why do some systems stay track of the type of a file while others leave it to the user or simply don't implement multiple file types? Which system is "better?" Answer: A f
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