Hey, maybe cats really do know how to use computers. I mean, they probably spend hours observing their human owners each and everyday. On a related note, did you know that the first recorded use of the word "computer" is also from the 17th century? It applied to human computers, people who performed calculations, often as employment. The first computer devices were conceived of in the 19th century, and only emerged in their modern form in the 1940s. Continue reading for more.