Research the maximum amount of virtual memory that can be accommodated on at least three different computing devices. Cite the operating system for each device. 3) Compare the file storage of two types of cell phones. Research the amount of system software that occupies main memory after the phone is completely powered on. If the amount of storage used by the system files are different, explain why that may be the case, such as platform issues, features, and so on. 4) Files can be formatted with fixed-length fields or variable-length fields. Find the difference between the two file formatted types. In your own words, answer the following questions: 1) Would it be feasible to combine both formats for storage on a single disk, and 2) Explain the reason for your answers. 5)