Explain the difference between Sequential Files and Random Files? Why is it important to close the File objects after using them in the code?
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Explain the difference between Sequential Files and Random Files?
Why is it important to close the File objects after using them in the code?
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- Design a pseudocode algorithm for reversing the contents of a text file into another file. Assume that the amount of memory is limited, so that you cannot read the entire source file into memory before you start writing it to a second file in reverse order.What exactly is the difference between a file's logical and tactile descriptions?Disc Scheduling FCFS, SCAN or C-SCAN Write a program that will calculate the total head movement for either one of this algorithms (FCFS, SCAN or C-SCAN) for all test cases Your input file starts with the case number, number of tracks, starting track, and the sequence of track numbers it will be accessing//input fileCase 1, 199, 53, 98, 183, 37, 122, 14, 124, 65, 67Case 2, 199, 53, 98, 183, 37, 122, 14, 124, 65, 68Case 3, 199, 53, 98, 183, 37, 122, 14, 124, 65, 69Case 4, 199, 53, 98, 183, 37, 122, 14, 124, 65, 70 Remember the track starts at 0 A sample output file will look like the following. FCFS algorithmCase 1, 640Case 2, 641Case 3, 642Case 4, 643