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IBM Selective Sequence Electronic Calculator. This is only the cosole, the rest is in a giant room or rooms (1948).

Nunca olvidarán su primera máquina de escribir!

Burroughs Mod. 2. The first printing calculating machine was invented in the USA (about 1905) and was selled worldwide. It features a complete keyboard for 17 digits, a printing unit and a long carriage for the sheet paper. The device could be used as a simple electronic accounting machine.

The IBM Naval Ordnance Research Calculator was possibly the first supercomputer and was the most powerful computer of its time. It could perform 15,000 operations per second, and the first version had 2,000 64-bit words of main memory, roughly the equivalent of 16 kilobytes.

Friden Model CTP Computyper Billing Machine Ad (1962).