Explain two advantages of memory overlay. (4 marks)DICT MOD 1 July 2020
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Input/output device controllers are associated with computer peripheral devices.Explain three functions of these controllers. (6 marks)DICT MOD 1 July 2020
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The CPU passes information to and from an input/output device using the computer buses. Explain three types of such buses. (6 marks)DICT MOD 1 July 2020
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Explain two types of inter-process communication in operating systems. (4 marks)DICT MOD 1 July 2020
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Outline four essential approaches used when implementing mutual exclusion to manage shared resources. (4 marks)DICT MOD 1 July 2020
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Differentiate between automatic repeat request and forward error correction operating systems. (4 marks)DICT MOD 1 July 2020
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Differentiate between least frequently used and most frequently used page replacement algorithms. (4 marks)DICT MOD 1 July 2020
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Differentiate between stacks and heaps in respect to memory management by operating system. (4 marks)DICT MOD 1 July 2020
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An operating system is required to choose the process that should be executed in order to avoid deadlocks. Outline four criteria used to choose the best scheduling policy. (4 marks)DICT MOD 1 July 2020
