ASCII is a standard binary code for alphanumeric numbers. It uses seven bits1 to encode 128 characters. Below is a table for ASCII conversions.2 3 Footnotes Since computers store in bytes, the most significant bit is usually a 0. ↩ From Logic and Computer Design Fundamentals, by Mano and Kime. ↩ From Problem Solving with C++, by Walter Savitch. ↩