I need an explanation for this Computer Science question to help me study.

Topic: Cloud Services – based on content from Chapter 4 in Cloud computing: SaaS, PaaS, IaaS, virtualization, business models, mobile, security and more.

Overview: Compare and contrast physical, dedicated virtual, and shared virtual servers. Search the web for 3 companies that provide each. Include the cost a customer should expect to pay for each.

Guidelines for Submission: Using APA 6th edition style standards, submit a Word document that is 3-4 pages in length (excluding title page, references, and appendices) and include at least three credible scholarly references to support your findings.Library resource is good place.Be sure to cite and reference your work using the APA guides and essay template that are located in the courseroom.

Include the following critical elements in your essay:

• Compare and contrast physical, dedicated virtual, and shared virtual servers.
• Search the web for 3 companies that provide each type of service.
• Include the cost a customer should expect to pay for each service.
  • Please ensure your paper complies APA 6th edition style guidelines. There is a sample paper provided under the Course Introduction link.
    • Your essay should be typed, double-spaced on standard-sized paper (8.5″ x 11″)
    • Use 1″ margins on all sides, first line of all paragraphs is indented ½” from the margin
    • Use 12 pt. Times New Roman font
  • Follow the outline provided above and use section headers to improve the readability of your paper. If I cannot read and understand it.

Required Textbooks

Jamsa, K. A. (2013). Cloud computing: SaaS, PaaS, IaaS, virtualization, business models, mobile, security and more. Burlington, MA: Jones & Bartlett Learning.

Erl, T., Mahmood, Z., & Puttini, R. (2014). Cloud computing: concepts, technology, & architecture. Upper Saddle River, NJ: Prentice Hall.