There’s been talking about sunscreen in the computing world when discussing what was your first computer invented.

For years, the accepted pioneer of your digital age was the ENIAC, short for Electronic Numerical Integrator And Computer, perhaps because the story associated with progress was one worthy for tabloids and tv.

As World War II was coming to a close, the Army had run in short supply of mathematicians and were willing to recruit women. Six women were accepted to work on “Project PX” at the University of Pennsylvania’s Moore School of Electrical Engineering, under John Mauchly and J. Presper Eckert. The women’s job would have been to program firing tables and ballistic trajectories using ENIAC. Their work laid the groundwork for computer programming. The completed machine was unveiled on Feb. 14, 1946 at the University of Pennsylvania. The military had funded the price almost $500,000. It occupied about 1,800 square feet and used about 18,000 vacuum tubes, weighing almost 50 a whole lot. It is widely considered to function as first computer invented, considering its highly functional status through the late 1950s.

However, its “first” status was challenged in court when Rand Corp. bought the ENIAC patent and started charging royalties. Honeywell Inc. refused to pay and challenged the patent in 1968. It was learned that Mauchly, amongst the leaders of the Project PX in the University of Pennsylvania, had seen an early prototype of a product being built at the Iowa State College called the Atanasoff-Berry Computer.

Professor John Vincent Atanasoff and graduate student Cliff Berry began development on the ABC in 1937 and it stayed at developed until 1942 at the Iowa State College (now Iowa State University). Eventually, it could solve equations containing 29 variables.

In 1973, U.S. Federal Judge Earl R. Larson released his decision that the ENIAC patent idea by Mauchly and Eckert was invalid and the ABC was the first computer devised. However, the ABC was never fully functional, so the favorite opinion to this day has the ENIAC as the first electronic computing computer. The Smithsonian Institute’s Museum of American History in Washington displays most of what remains of the ENIAC, alongside bits of the ABC.

However, there’s another twist to this tale. The most rudimentry computer is an electronic digital device designed to data, InventHelp Caveman Commercial perform prescribed mathematical and inventions ideas logical operations and display the results. Germany’s Konrad Zuse created what was basically the first programmable calculator in the mid-1930s in his parent’s living room. Zuse’s Z1 had 64-word memory and time speed of 1 Hz. Programming the the Z1 required the user to insert tape towards a punch tape reader and then receive his results via a punch tape dispenser – making it possibly the first computer invented.