Describe features of contemporary operating systems and their structures. The three most common operating systems are Microsoft Windows, Mac Operating System, and Linux. Microsoft Windows is the most user-friendly and most used throughout businesses, governments, and personal computers. Operating systems are chosen based on how you plan to use your computer. Different Operating Systems have other pros and cons. Discuss how operating systems enable processes to share and exchange information. The Operating system's main job is to manage all the processes within the system, including hardware allocation. The Operating system moves hardware resources around between different processes and allows them to share and exchange information. It also protects the resources of each process from other methods and provides synchronization among processes. Explain how main memory and virtual memory can solve memory management issues. The main memory is the Read A...