This presentation discusses the evolution of microprocessors from 4-bit to 64-bit models, including early chips from Intel like the 4004 and 8080. It covers the progression from 8-bit microprocessors to 16-bit, 32-bit, and now 64-bit microprocessors. The presentation was given by Edwin Makeu to Harinder Pal Singh and the BCA 2 class on April 5th, 2017 on the topic of how microprocessor technology has advanced from its early Intel series of chips.