IS-270, Operating Systems

Answer the following questions:

Your answer must be in your own words
References to sources (informal)

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1. Is device independence important to the File Manager? Explain why or why not.

2. Files can be formatted with fixed length fields or variable length fields. In your opinion, would it be feasible to combine both formats in a single storage medium? Explain the reasons for your answer.

3. Compare and contrast dynamic memory allocation with the allocation of files in secondary storage.

4. Give three examples of excellent passwords and explain why each would be a good choice to protect a system from unauthorized users.

5. Give three advantages and disadvantages of password generator software. Would you recommend the use of such software for your own system? Explain why or why not.

6. Many users are required to log into several networks and thus have multiple passwords, which are difficult to remember. Name three ways that a user can manage these password requirements and compare the advantages and disadvantages of each. Which one you would use, and why?

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