1. A browser is a software application on your computer that is used for presenting, retrieving, and traversing information and resources on the World Wide Web.
2. Firefox
2.1. Pros: Good security Lots of Add-ons
2.2. Cons: Can run slow if there are too many add ons Only has 24% of market
3. Explorer
3.1. Pros: All computers have it Has 60% of the market