What are operating systems and what is their purpose? How do they affect applications that are loaded on the system? Custom Paper

POS 355 Version 9 Systems Week 1 DQS

DQ 1
What are operating systems and what is their purpose? How do they affect applications that are loaded on the system?

DQ 2
Should DMA access to main memory be given higher priority than processor access to main memory? What is the purpose and technique of DMA logic?

DQ 3
What are the differences between an interrupt and a trap? Provide an example of each. What is their importance?
POS 355 Version 9 Week 2 Individual Assignment File Management Paper

For this assignment, you will choose one of the following options:

Option 1, File Access: Write a 2-page paper that discusses the following: Consider a system that supports 5,000 users. Suppose you want to allow 4,990 of those users to be able to access one file. How would you specify this protection scheme in UNIX®?

Option 2, Protection Scheme: Write a 2-page paper that discusses the following: Consider a system that supports 5,000 users. Suppose that you want to allow 4,990 of those users to be able to access one file. Suggest another protection scheme that can be used more effectively for this purpose than the scheme provided by UNIX®?

Format your paper consistent with APA guidelines
POS 355 Version 9 Systems Week 2 DQS
DQ 1
How would you rank the principles of concurrency? Explain the design issues for which the concept of concurrency is relevant

DQ 2
Do you agree or disagree that throughput and capacity are determining factors for effectiveness of a system more so than processor speed? Why or why not?

DQ 3
Consider the past couple days you have worked on the computer. What disk scheduling policies and algorithms were used? Explain.
POS 355 Version 9 Systems Week 3 Individual Assignment Open and Closed Source Systems

For this assignment, you will choose from the following options:

Option 1, GNU: Write a 2-page paper defining and describing the GNU public license and its role.

Option 2, Open/Closed Source: Write a 2-page paper defining and comparing open source and closed source operating systems. Provide examples of each.

Option 3, OS emulator: Locate an operating system emulator and experiment with a system type (e.g. Windows or Unix) opposite of what you are currently using. Write a 2-page paper describing your experiences with your chosen system compared to your current operating system.

Format your paper consistent with APA guidelines.
POS 355 Version 9 Systems Week 3 Team Assignment UNIX/Linux Versus Mac Versus Windows Paper Outline

Create an outline of the UNIX/Linux Versus Mac Versus Windows Paper.

POS 355 Version 9 Systems Week 3 DQS
DQ 1
What are the differences and similarities between Windows Server® OS and the desktop OS version?

DQ 2
What are some of the key characteristics of an embedded OS? Describe some examples of markets where embedded systems are used. Discuss why they are important.

DQ 3
In what ways does the Linux® setuid feature differ from the setuid feature in standard UNIX®? In what ways is the Linux® implementation preferred?
POS 355 Version 9 Systems Week 4 Individual Assignment Failures

Write a 3-page paper describing four types of failures that may occur in a distributed system. Specify which of these are also applicable to a centralized system. Choose two of the four failures and describe how you would isolate and fix each failure.
POS 355 Version 9 Systems Week 4 Dqs
DQ 1
What experiences have you had with virtualization in the past? What are the benefits of using virtualization? How is it achieved? What effects would implementing virtualization have on an organization?

DQ 2
What is client-server computing? Why does it benefit the organization and what special considerations need to be addressed to ensure transparent communication?

DQ 3
What are the multiple aspects of a system that fault tolerance should address? What are some of the methods used to achieve fault tolerance? How would you make a choice between them?

Format your paper consistent with APA guidelines.
POS 355 Version 9 Systems Week 4 Team Assignment UNIX/Linux Versus Mac Versus Windows Paper Rough Draft
Submit a rough draft of your UNIX/Linux Versus Mac Versus Windows Paper

POS 355 Version 9 Systems Week 5 Team Assignment UNIX/Linux Versus Mac Versus Windows Paper

Submit the UNIX/Linux Versus Mac Versus Windows Paper
POS 355 Version 9 Systems Week 5 Team Assignment UNIX/Linux Versus Mac Versus Windows Presentation

Submit the UNIX/Linux Versus Mac Versus Windows Presentation.

POS 355 Version 9 Systems Week 5 DQS
DQ 1
Describe the types of malware and the potential impact they can have on a system. Explain the countermeasures to various types of malware

DQ 2
What are the advantages and disadvantages of the use of mainframes? In what type of organizations would they be most likely to be implemented?

DQ 3
What are mobile OSs you have personally used? Describe the advantages and disadvantages of their effects. Share a resource you have found regarding mobile OSs.