Q: How many IBM Posted on July 18, 2017July 18, 2009 by admin Q: How many IBM PC owners does it take to change a light bulb?A: Only one, but he’ll have to go out and buy the light bulb adaptor card first, which is extra. Spread the love Related posts: Q: How many US Q: How many elephants Q: How many mutants Q: How many alt.anagrams