- 
  
  They were founded in 1889. The inventor was in Japanese the headquarters were in Kyoto Japan.
 - 
  
  The antanasoff was invented by John Atanasoff and Clifford Berry.
 - 
  
  The time frame of the first generation was from the 1940-1956.
 - 
  
  The frame time for the second invention was from the 1956-1963.
 - 
  
  Mini computers were invented in 1960 and by Seymour Cray
 - 
  
  The DEC was from the 1960s to the 1990s. The headquarters were located in a former wool mill in Maynard Massachusetts.
 - 
  
  The time frame of the third invention was from 1964-1971.
 - 
  
  In 1971 and by the inventor Michael Hart.
 - 
  
  Microcomputers where invented in 1971 and by an inventor called Robert Noyce.
 - 
  
  The first game consoles was invented in 1971 and it was designed by Ralph Baer.
 - 
  
  The time frame for the fourth generation is from 1972-2010.
 - 
  
  Digital cameras were invented in 1975 and became more popular and more popular over a time period. It was invented by Steven Sasson and Eastman Kodak were the inventors.
 - 
  
  An apple computer was invented in 1976 by Steve Wozniak and Steve Jobs
 - 
  
  Personal computers were invented in 1977 and many inventors had something to do with the history of computers.
 - 
  
  The IBM PC was invented August 12, 1981 the inventors were a team of engineers and designers under the direction of Don Estridge.
 - 
  
  Kodak DCS was invented 1986 and and it was invented and developed by 1.4 million pixels.
 - 
  
  The laptop was first released in 1987 by an Osborne Computer Corporation.
 - 
  
  The first web cam was invented in 1991 and by a team.
 - 
  
  Smart phones were invented in 1992 and by a company called IBM.
 - 
  
  The time frame for the fifth generation is from 2010- present.