IBM 405 Alphabetical Accounting Machine introduced
The IBM 405 Alphabetical Accounting Machine was launched in 1934. The IBM 405 was a combined adding, subtracting, and printing machine. It printed reports, consisting of both alphabetic and numerical information, from data on punched cards.
The machine was programmed using a plugboard, similar to a telephone switchboard. It could tabulate at a rate of 150 cards per minute, or tabulate and print at a rate of 80 cards per minute.