The average lifespan of a washer, whether it is a top-loader or a front-loader, is about 14 years. This is determined by calculating seven loads of washing per week, or doing one load per day.
In, 1958,  William Higinbotham created the first video game ever. His game, called Tennis for Two, was created and played on a Brookhaven National Laboratory oscilloscope. Then in 1962, Steve Russell invented SpaceWar!. Spacewar! was the first game intended for computer use. Russell used a MIT PDP-1 mainframe computer to design his game. In 1967, Ralph Baer wrote the first video game played on a television set, a game called Chase..
At first, these were purely mechanical, but by the start of the twentieth century, they were run by steam.     The first of the modern computers was invented during World War II, in 1941 by a German engineer named Konrad Zuse.The computer was called the Z3 and was used to help design German airplanes and missles. Still others will say the abacus is the first computer. They were  invented by the Chinese between 2600 BC and 300 BC is considered as  the first computer ever. Abacus was used by the merchants and  Clerks in China.