Charles Babbage invented his analytical engine between 1833 and 1871. The first freely programmable calculator, considered the first digital computer, was called the Z1 and was created in 1936 by Konrad Zuse. It spurred ... More » History Inventions Computer History

The first electronic digital computer was invented at Iowa State College by Dr. John Vincent Atanasoff. The claim for this title came under dispute in a 5-year long court case when Judge Larson of the U.S. Federal Courts... More »

Technology historians do not credit any single person with the invention of the computer. A number of individuals made discoveries that led to the development of the electronic computer. More » History Inventions

The first mechanical computer was the Difference Engine built in 1822 by Charles Babbage, considered as the "father of the computer." Between 1847 and 1849, he made an improved version of his first model, which he called... More »

Email was invented in 1972 by Ray Tomlinson, who figured out a way to send a message from computer to computer. He chose the @ symbol in order to do this. Jon Postel was one of the first to use email. More » History Inventions Computer History

Ada Lovelace is considered the first computer programmer and the first to write software for a computer. The program was published along with her notes for Babbage's Analytical Engine in 1843, though the Engine was never... More »

The first touchscreen computer was invented in 1965. It was developed by E.A. Johnson, who patented a touchscreen device for air traffic control in 1969. More »