Written Assignment 3 Chapter 8

Written Assignment 3 Chapter 8 - 7 Its hard to determine...

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Written assignment 3, chapter 8 page 280-281, exercises 1,2,3,7,9. 1 Deallocation is important because it frees up resources for other jobs, processes, files, etc. If deallocation did not occur on a regular basis then there would be limited services a computer can perform at one time or over a period of time. 2 1 - determine the location of the file 2 - determine how much resources are available to store the file 3 Device independence allows the user to interact with files without needing to know any of the low level instructions for each device. Without device independence then each device would need the user to execute low level instructions every time they want to use the device.
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Unformatted text preview: 7 Its hard to determine where variable length files are located which is the reason they are not direct access files. One way to use variable length with direct access by using the logical addresses to find the files. 9 The purpose of the working directory is to allow the file manager to quickly retrieve files in the current directory accessed by the user, it speeds up time to retrieve files. I dont think there should be more then one working directory. The user most likely will be in one directory at a time no need to waste cpu for on other directories that may or may not be active....
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This note was uploaded on 01/16/2012 for the course COS COS-352 taught by Professor Tabor during the Spring '11 term at Thomas Edison State.

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