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Question:
(a) Explain the similarities and differences between two different threads running in the same process and two independent processes. When would you want to use two threads in the same process? When would you want different processes?
(b) Describe the function of any two of following in the context of a remote procedure call
• Communication Module • Dispatcher • Server Stub
(c) Describe the role of a remote object reference during marshaling and unmarshalling, at both clients and servers, in an RMI system.
(d) By using examples, distinguish between a local method invocation and a remote method invocation.
(e) Briefly discuss and describe the possible RMI invocation semantics.
(f) A ‘null' RMI that takes no parameters, calls an empty procedure and returns no values delays the caller for 2.0 milliseconds. Explain what contributes to this time.
In the same RMI system, each 1K of user data adds an extra 1.5 milliseconds. A client wishes to fetch 32K of data from a file server. Should it use one 32K RMI or thirty-two 1K RMIs?
What are the phases of background processing? Phases are:- Job Scheduling. Job Processing. Job Overview.
Q. Is the Internet a LAN or else a WAN? Answer: The Internet is a WAN as the a variety of computers are located at geographically different places and are connected by long-dis
What do you mean by best fit? Best fit allocates the smallest hole that is big sufficient. The entire list has to be searched, until it is sorted by size. This strategy creates
Can you give me assistance on my operating system assignment?
What is the resident set and working set of a process? Resident set is that portion of the process image that is actually in real-memory at a certain instant. Working set is th
a summary of what operating system do
What is protection of input output?
What is busy waiting? When strict alteration is done there may take place situation like two processes setting their flag as true. Therefore both of the processes have equal pr
what common event leads to the creation of a process?
Define a layer that is not of an IO management module MCS that is Management Control System is not of an IO management module
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