Set theory is the branch of mathematics that, unsurprisingly, deals with sets. Itâ€™s an area of great importance in a number of fields, including computer science. This post will give you a brief review of the basic concepts of set theory.

When it's all said and done, everything within a computer is nothing more than a series of switches that are either on or off. We represent these on/off states with 0's and 1's - a system that we call binary. This post will give you a quick review of how binary numbers work.