Computers
Here’s an (ordered) list of (some of) the computers developed in the period 1940 - 1950. Dates given here are when the machine is known to be fully working.
| Name | Date | Number System | Mechanism | Programming | Turing Complete? |
|---|---|---|---|---|---|
| Zuse Z3 | 1941 | Binary | Electro-Mechanical | 35mm film | Yes |
| Atanasoff-Berry Computer (ABC) | 1942 | Binary | Electronic | None | No |
| Harvard Mark 1 / IBM ASCC | 1944 | Decimal | Electro-Mechanical | Punched paper tape | No |
| Colossus | 1944 | Binary | Electronic | Patch cables and switches | Yes |
| ENIAC | 1946 | Decimal | Electronic | Patch cables and switches | Yes |
| Manchester Small-Scale Experimental Machine (BABY) | 1948 | Binary | Electronic | Stored Program | Yes |
| EDSAC | 1949 | Binary | Electronic | Stored Program | Yes |