May 24, 1954 (Sino-Japanese April 22), the giant computer herald the arrival of the electronic office. The widespread use of vacuum tube


will calculate the speed of 1000 times
24, 1954 International Business Machines Corporation announced the development of electrical installations for commercial use. The company said that, because this device can operate per hour more than 10 million times, it makes electronic office closer to reality. This machine can delivery next year, and now more than 30 sets of ordering.
This system includes a single mathematical and logic center apparatus, processing the data in the memory by the tube consisting of cathode ray memory. The information is provided by many tape input machine. Each tape can store all the numbers on the Manhattan phone book. International Business Machines Corporation said they would rent rather than to sell such a machine. This machine rental and installation costs $ 25,000 a month. Insurance companies are very interested.