Today, 71 years ago, on May 24th, 1954 (April 22nd, 1954 in the lunar calendar), giant computers heralded the arrival of electronic offices. Widely used vacuum tubes increase calculation speed by 1000 times On May 24, 1954, the International Business Machines Corporation announced the development of electrical devices mainly for commercial use. The company said that because this device can be operated more than 10 million times an hour, it brings the electronic office closer to reality. This machine will not be delivered until next year, and 30 units have been ordered now. This system includes a mathematical and logic center device, which processes the data in a memory composed of cathode ray memory vacuum tubes. The data is input into the machine by many tapes. Each tape can store all the numbers in the Manhattan phone book. International Business Machines Corporation says they will rent out the machines instead of selling them. The rental and installation cost of this machine is $25,000 per month. Insurance companies are very interested in this.