Computers the ILLIAC IV pioneered the concept of an O. Henry house & studio of Jacques-Louis David' value $400 answer All That Jazz round Double Jeopardy! Show_number 5220 category THEY SOUND LIKE A RAPPER air_date 2004-12-14 question 'Stances include regular goofy foot & hoof prints left by hominids 3 million tiny filtering units called this.