A. Describe the concept of visualization and explain in detail the properties of virtualization. -What are its advantages and drawbacks? B. Describe the benefits and costs of visualization/individualization. C. Describe in detail the popular hyper-visors as well as the concepts of Para visualization and the hardware support that makes visualization possible. D. Describe in detail the concept of cloud computing (PaaS, SaaS, IaaS, etc.)?- What are its advantages and drawbacks? Within the context of visualization please ensure your paper encompasses process/thread management, scheduling, memory management, security and I/O. Other Visualization OS areas can be explored as well.