Multiple choice

A file system is said to exhibit data dependence, because

  1. a change in any file's structure such as the addition or deletion of a field, requires the modification of all programs using that file

  2. organization of the data, within the file is determined by the data's expected use

  3. data is the most important part of a file system, which also includes hardware software, people and procedures

  4. when any of the files data characteristics change, all data access programs are subjects to change
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D Correct answer
Explanation

A file system is said to exhibit structural dependence because a change in any file's structure such as addition or deletion of a field, requires modification of all programs using that file. That means access to a file is dependent on its structure.

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