An analogy compares two things to show the similarities. We know how huge of an impact the printing press had during the Renaissance--all of a sudden it was much easier to get things printed, which made more people want to learn how to read. Before the printing press, only super rich people knew how to read because it was not important for lower classes to know--many things were spoken outloud as a way to give and get information. With the printing press, more people could get their hands on books or papers, which encouraged more people to learn how to read. Computers have had a similar impact, which is why this is an analogy. Computers help more people get more information, because it is so much easier and faster to write things down, print them out, and send them. The same way the printing press helped information reach more people, computers do as much in this century to help more people get information faster and easier.
In america the tv was starting to be sold in the 1940's, so it would make sense if most americans had tvs in the 1950s, but most americans had a computer in the 2000's
