As data is read from the file, the read position moves forward, closer to the end.
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As data is read from the file, the read position moves forward, closer to the end.
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- THIS IS IMAGE FILEDisc 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, 643True or False It is possible that the body of a while loop might not execute at all.
- Word List File Writer: Write a program that asks the user how many words they would like to write to a file, andthen asks the user to enter that many words, one at a time. The words should be writtento a file (in python)How do you test end of the file when reading data from a file?please save number random and file and when print on monitor read from file and every num in single line
- Operating System (I/O Management: Disk Arm Scheduling & RAID) It is known that a disk drive has 256 cylinders, with the number cylinder starts at 0 and ends at 255. The position of the needle on the disk drive currently stops at point 128. It is also known that the needle always “goes to the cylinder with the smaller number first”. The order of the positions visited sequentially is: 254, 64, 32, 100, 50, 70. Of the 3 choices of algorithms below, which one is the best algorithm? Make each image and determine the seektime.a. SCANb. C-SCANc. FIFO(Misc. application) Four experiments are performed, and each experiment has six test results. The results for each experiment are given in the following list. Write a program using a nested loop to compute and display the average of the test results for each experiment. 1stexperimentresults:23.23116.92725.428.62ndexperimentresults:34.845.227.936.833.439.43rdexperimentresults:19.416.810.220.818.913.44thexperimentresults:36.93949.245.142.750.6(Data processing) a. Write a C++ program that opens a file and displays its contents with line numbers. That is, the program should print the number 1 before displaying the first line, print the number 2 before displaying the second line, and so on for each line in the file. b. Modify the program written in Exercise 6a to list the file’s contents on the printer assigned to your computer.
- This type of loop has no way of terminating itself and will continue to repeat until the program is terminated.Define the concept of a loop.Random Number File Writer Write a program that writes a series of random numbers to a file. Each random number should be in the range of 1 through 500. The application should let the user specify how many random numbers the file will hold. * Please use the Python program.