information systems concepts

In 250 words or more, answer the following questions.

What is an information system? What are some of the characteristics of information systems? Make sure you explain your answers to these questions in your own words, rather than quoting from the textbook or other online sources.
Find a web page that gives a definition of an application, and a web page that gives a definition of a computer-based information system. Summarize the definitions that you found on the web in your own words. Do not quote directly from your sources, describe the concepts learned in your own words. Then, in your own words, drawing on what you learned from your sources, describe the differences between applications and computer-based information systems. Be sure to include the URLs of the web pages you used in your research to answer this question.
What are some information systems that you use in your work or in your day-to-day life?
Describe some of the characteristics of the information systems you identified above.