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Problem:
(a) Discuss Distributed File System Caching.
(Your discussion should include the goal and architecture of distributed file system caching and the various possible caching locations together with their corresponding advantages and disadvantages).
(b) (i) In relation to Lamport's logical clock discuss:
? Happened Before Relation. ? Concurrent event.
(ii) Discuss how the Happen Before Relation is implemented using timestamps.
(c) (i) Briefly describe Christian's and Berkeley's physical clock synchronisation algorithms.
(ii) Are externally synchronised clocks also internally synchronised? What about the converse? Explain your answers
List the Coffman's conditions that lead to a deadlock. Mutual Exclusion : Only one process might be use a critical resource at a time. Hold & Wait: A process may be alloc
What does Verification represent? Verification shows the set of activities that are carried out to confirm that the software correctly executes the specific functionality.
Ask question #Minimum 100 words accepted application of bounded and unbounded buffers
When a computer is started on, the program that executed first is named the ''operating system.'' It controls pretty much all applications in the computer. This adds who logs in, h
In modern operating systems, applications do not directly access the physical memory. Instead, they use so-called virtual memory, where each virtual address is translated to a phys
Literature review
Parent process P creates three child processes, C1, C2, and C3. Each child process executes a memory and CPU intensive application of your choice. Your choice should be such that
Explain the Resource Ownership by Platform Ownership of data items may further be complicated by concepts defined in certain operating systems. Each operating system defines "p
What is low-level formatting? Before a disk can kept data, it must be required into sectors that the disk controller can read and write. This procedure is called low-level form
For example, by initializing a semaphore to 0, threads can wait for an event to occur, and impose an ordering constraint, similar to a monitor using condition variables, but with m
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