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Alagappa University Distance Education-BCA Degree Exam-Principles of Operating Systems Papers are designed to test the student’s knowledge of the subject. Topics from which questions are likely include functions of an operating system, operating system concepts, implementation of process model, function and methodology of the Round Robin and Priority Scheduling algorithms, explanation of terms like code and semaphore, the problems in condition and how they are to be overcome, the different categories of I/O devices and the role and function of each, the level and complexity of I/O devices, the role of controllers, the method of memory management and so on. Questions can be both of the long answer and the objective type making it a fairly high scoring paper for the student. Principles of Operating Systems Papers also include topics like page replacement algorithms and multiprogramming with variable partitions. The paper has all 20 marks questions and you need to attempt 5 such from 8 questions. Below you will find some previous year’s question papers for your help.