The History of Computers

Do you know that computers were only invented within the past 100 years? And that the smartphone was only recently invented, in the mid-1990s? Yet today, computers and other devices are everywhere in our lives--in classrooms, homes, and public places. From the first calculating machines made of cogs and wheels during the 1640s to virtual reality headsets such as Oculus Rift, this book, using natural-voice audio, charts the incredible history of computers.