The advent of widespread computing

In modern times, but before the advent of widespread computing, elaborate database systems were developed by government offices, libraries (what is the Dewey Decimal System if not one of the most famous databases in history?), hospitals, and businesses. Some of the basic principles of these systems are still being used today in modern database software.
Describe three (3) traditional file processing systems (FPS)
Give an example of each file system that you just described; also explain how file sytems enhances information processing
Explain the (operational) difference between a traditional file systems and a database
Discribe at least two (2) ways that a database approach improves or mitigates the negatives of a FPS