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Second-Chance algorithm
When a page has been selected, we inspect its reference bit. If the value is 0, we proceed to replace this page. If the reference bit is set to 1, though, we give that page a second option and move on to select the next FIFO page.
Task 1 description: Design and implement the disableuser.sh script. Required script functionality: disableuser.sh -v : prints the script version number and exits dis
Q. Explain Message passing among systems? Communications- Message passing among systems requires messages to be turned into packets of information and sent to the network contr
Q. To build a vigorous distributed system you must know what kinds of failures can occur. a. List three possible kinds of failure in a distributed system. b. State which of
Take the binary number and divide it into groups of 4 bits starting from the right hand side , if no group of 4 exists fill out leading 0's, then convert each group of 4 to a hex n
What are the different file operations? Create : - Space for the file in the file system update directory table. Write : - file name and data to be written is
Explain the Advantages and Drawback of Multiple Processes Application architected to take advantage of multiple processes will certainly see performance gains. Functions and Fe
Write a brief note on demand paging. A demand paging is alike to a paging system with swapping. The Processes reside on the secondary memory while we want to implement a proces
What are threads? A thread is alike to sequential programs. Single threads have a beginning, sequence and end. At any given point in time during the runtime of the thread there
Clocks in distributed systems : a. Why are clocks difficult to synchronize in distributed systems? b. What features in a system assume that the clocks are (reasonably) synchr
Define request edge and assignment edge. Answer: A directed edge from process Pi to resource type R j is denoted by Pi->j; it signifies that process Pi requested an instance
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