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Question:
(a) Describe blocking and non-blocking types of inter-process communication. What is easier to implement and why? Discuss their relative advantages and disadvantages.
(b) A spin lock is a boolean variable accessed via an atomic test-and-set instruction, which is used to obtain mutual exclusion. Would you use a spin lock to obtain mutual exclusion between threads on a single-processor computer?
(c) Explain what is meant by the load sharing components: transfer policy, selection policy, location policy, and information policy for dynamic load sharing.
(d) Caching is an important optimisation technique. Describe the three potential locations for caching in a distributed file system. Briefly discuss the advantages and disadvantages of each location.
(e) What is process migration? Why might you want to migrate a process?
Q. Most WANs utilize only a partially connected topology. Why is this subsequently Answer: Cost. A completely connected network requires a link between every node in the netw
Grouping Threads That Execute Similar Functions Thread Groups are generally used to group threads that execute similar functions of the application program. For instance, if
A- Consider a computer system that provides a virtual memory space that consists of 8 pages. The physical memory contains 4 pages where the page size is 4Kbytes. Assume that at sp
Q. What is the purpose of system calls? Answer: System calls permit user-level processes to request services of the operating system.
What are the different files attributes? File name:-it's the name of the file. It's the name with which the user identifies. Identifiers:-it's created when a file is created
(a) Describe services of operating systems. (b) Differentiate among the short term, medium term and long term scheduling that are given by multi-tasking operating systems.
Process Synchronization in windows 2000
What do you understand by “line balancing”? What happens if balance doesn’t exist?
Q. What are the reasons for process suspension? Reasons for process suspension 1. Swapping 2. Timing 3. Interactive user request 4. Parent process request
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