General/Multidisciplinary databases such as Academic Search Complete and ProQuest (searches all ProQuest databases) are useful databases to search for articles on a wide variety of subjects and from a wide variety of sources (including scholarly journals, newspapers, and general magazines). (Need a primer on the characteristics of magazines, trade publications, and academic/scholarly journals? See this tutorial for a three-minute explanation.)
However, for some papers you will write in ENG 201, subject specific databases may be more helpful for you to research specific topics. Here is a representative list of some key databases you can use (more databases can be found on the Database by Subject page):