"the world's first digital computer" The world's first <b><b>electronic</b></b> digital computer. There have been mechanical digital computers for centuries. Dating back to at least the idea of a mechanical difference engine by Babbage. And then there were many mechanical calculators - which are digital computers of a sort - you just use mechanical force to drive them. investorshub.advfn.com/uimage/uploads/2020/12/17/fbjsucurta2.jpg Butt ENIAC (or other - this is CONtested) was/were the first programmable Turing-style general computers. Hollerith might claim his card sorter was the first programmable digital computer though.