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Question:
a) Define the term ‘Operating System' and identify two goals of an operating system.
b) What do you understand by Symmetric multiprocessing (SMP) and Asymmetric multiprocessing in parallel systems?
c) What are the characteristics of clustered systems and real-time systems?
d) What are the responsibilities of the operating system for the activities in connections with memory management?
e) Explain the layered approach of Unix operating system.
f) Describe briefly how Dynamic Storage-Allocation Problem is satisfied by a request of size n from a list of free holes using First-fit, Best-fit and Worst-fit.
Discuss the concepts of task decomposition and data decomposition within the context of parallel programming. Parallel programming or parrelel computing is the simultaneo
Define thrashing. Thrashing is the accident of high page traffic and low CPU utilization. It is observed that the cause of thrashing is an under-commitment of memory to program
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File structure Certain files must conform to a needed structure that is understood by the operating system. The operating system may consist that an executable file has a parti
Write a note on deadlocks. The proper definition of deadlock A set of processes is deadlocked if every process in the set is waiting for an event that only a proces
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
Describe Three major roles of operating systems in business computer systems
Garbage collectors trade space for time. If we collect all the time (which requires a lot of processing time), the GC allocator will use the least memory possible. On the other han
What is virtual file system? A Virtual file system switch (VFS) or Virtual file system is an abstraction layer on top of a more concrete file system. The purpose of a VFS
What are the benefits of multithreaded programming? The advantages of multithreaded programming can be broken down into four main categories: Responsiveness Resourc
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