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17.1 You have noticed that loading the programs from your hard disk seems to take longer than it used to. A friend suggests copying the files from your disk, one at a time, to a different device, and back to your disk. You do so and discover that the programs load much faster now. What happened? What alternative approach would achieve a similar result more easily?

17.1 You have noticed that loading the programs from your hard disk seems to take longer than it used to. A friend suggests copying the files from your disk, one at a time, to a different device, and back to your disk. You do so and discover that the programs load much faster now. What happened? What alternative approach would achieve a similar result more easily?

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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17.1 You have noticed that loading the programs from your hard disk seems to take longer than it used to. A friend suggests copying the files from your disk, one at a time, to a different device, and back to your disk. You do so and discover that the programs load much faster now. What happened? What alternative approach would achieve a similar result more easily? 17.2 Explain why a MOVE operation from one device to another requires manipulation of the file itself, whereas a MOVE operation from one place to another on the same device involves manipulation only of the directory. 17.3 In many systems, the operations that work on a file as a whole are made up by combining the operations that manipulate the internal file data. Explain how you would copy a file from one location to another using the internal file operations. Does this method seem consistent with your experience of what happens when you copy a large file from one disk drive to another on your PC? 17.4 From a Windows command line prompt, do a DIR command. Carefully note how much space remains on your disk. Now open up NOTEPAD, and create a new file containing just a period with a carriage return. Call this file PROB174.TXT and return to the prompt. Do a DIR PROB174.TXT command. How much space does your new file take up? How much space remains on your disk? Explain what happened. I
Transcribed Image Text:17.1 You have noticed that loading the programs from your hard disk seems to take longer than it used to. A friend suggests copying the files from your disk, one at a time, to a different device, and back to your disk. You do so and discover that the programs load much faster now. What happened? What alternative approach would achieve a similar result more easily? 17.2 Explain why a MOVE operation from one device to another requires manipulation of the file itself, whereas a MOVE operation from one place to another on the same device involves manipulation only of the directory. 17.3 In many systems, the operations that work on a file as a whole are made up by combining the operations that manipulate the internal file data. Explain how you would copy a file from one location to another using the internal file operations. Does this method seem consistent with your experience of what happens when you copy a large file from one disk drive to another on your PC? 17.4 From a Windows command line prompt, do a DIR command. Carefully note how much space remains on your disk. Now open up NOTEPAD, and create a new file containing just a period with a carriage return. Call this file PROB174.TXT and return to the prompt. Do a DIR PROB174.TXT command. How much space does your new file take up? How much space remains on your disk? Explain what happened. I
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