On page 3 of the book: "They built ENIAC, the first digital, general-purpose, electronic computer". It all depends on how you define the term "computer". Not to

On page 3 of the book: "They built ENIAC, the first digital, general-purpose, electronic computer". It all depends on how you define the term "computer". Not to forget that "computers" at that time were the women who did the calculations; see e.g. https://en.wikipedia.org/wiki/Computer#Etymology https://en.wikipedia.org/wiki/Computer#Etymology. Nearly all computers today are electronic and digital; so ENIAC was one of the pioneers of this development (the Colossus was another one).