What are three examples of information technologies used in retail business? What are the four main components of a MIS? What are Michael Porter’s three strategies for competing in the marketplace? Give an example of a company that uses each strategy. What are two classes of software? What is an example of each? What are two examples of popular computer languages? Define a “computer” and a “CPU.” What is a DBMS? What are the major components of a DBMS? What are three major types of business analytics? Name and describe the two types of data in a database.