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No...................(REVISION - 2015) Signaturc ..................DIPLOMA EXAMINATION IN ENGINEERING/TECHNOLOGY/MANAGEMENT/COMMERCIAL PRACTICE - APRIL, 2019OPER4TING SYSTEII{S[Iine : 3 hours(Mailmum marks : 100) PART - A(Maximum marks : l0)I Answer a// questions in oue or two sentences. Each question carries 2 marks.I . List two examples for system software.2- Define race condition.3. Name four CPU scheduling algorittrms.4. Define *rashing.5. List two dircctory strucfi.tres. Marks (5x2 = 10) PART - B(N1atimum marks : 30)II Answer anv.fve of the following questions. Each question carries 6 marks.I . Cornpare hard real time and soft real time systems.2. Explain process states with the help of a diagram. .3. Summarize RR scheduting with an example.4. Explain three memory allocation strategies.5. Compare FIFO and LRU page replacement algorithms.6. Explain six file operatiolts.7. Summarize different tlpes of hardware virtualization. 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