Computers have radically changed the way we live. They are central to almost every aspect of our daily lives — even romance. I’m working from home while I write this quiz; I used Wikipedia to check my answers; I have conferences with my co-workers using Microsoft Teams; when I travel anywhere, I use a GPS; I have a smartphone that I can use to connect with practically anyone, anywhere, and I also use it to make videos and do my banking.

Old and new computers at the Census bureau in 1940. At left is Herman Hollerith's large 'unit tabulator,' which processes cards containing census information at the rate of 4,800 statistics per minute. (Image: Everett Collection/Shutterstock)

How did this revolution happen? Who were some of the pioneers? How long has it taken to get here? See how much you know with our quiz.