The document discusses the five generations of computers. The second generation used integrated circuits instead of transistors, making computers more reliable and smaller. Examples included the ICL-1900, Honeywell-6000, and IBM 360. The fourth generation saw the development of microprocessors using LSI and VLSI circuits. Examples were the PDP-11, Apple II, and Star 1000. The fifth generation integrates software and hardware for artificial intelligence, enabling reasoning and decision making like humans. Examples are databases with embedded AI, robotic creatures, CASE for designing software, and CAI for adaptive tutorials.