Hardware

What is hardware? What is software? How is hardware different from software?

Using the http://www.computerhistory.org/revolution/timeline
identify and describe what you believe to be the two most important hardware innovations. Why are the two hardware examples you selected important?

Using the http://www.computerhistory.org/revolution/timeline website, identify and describe what you believe to be the two most important software innovations. Why are the two software examples you selected important?