Practical Approach Of Operating system

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QUESTION 3 a) What is a file structure? (2 marks) b) How does Windows operating system manage the file? (2 marks) c) One of the file's system attribute is Type. List TWO (2) examples of information from Type file system attributes. (2 marks) d) Memory fragmentation can be occurred either internal as well as external. Identify TWO (2) differences between internal fragmentation and external fragmentation in memory management. (4 marks)