The Pioneering Women Assigned to Program One of the Earliest Computers

When you look at the size of this world’s first computer and that you compare it to the size of a Tablet, you soon realize how much the technology evolve over the years and how it change the world that we live in today!

Longreads

After six weeks of training, the women returned to Penn, where they were given poster-size diagrams and charts describing ENIAC. “Somebody gave us a whole stack of blueprints, and these were the wiring diagrams for all the panels, and they said, ‘Here, figure out how the machine works and then figure out how to program it,’” explained McNulty. That required analyzing the differential equations and then determining how to patch the cables to connect to the correct electronic circuits. “The biggest advantage of learning the ENIAC from the diagrams was that we began to understand what it could and could not do,” said Jennings. “As a result we could diagnose troubles almost down to the individual vacuum tube.” She and Snyder devised a system to figure out which of the 18,000 vacuum tubes had burned out. “Since we knew both the application and the machine, we learned to diagnose troubles…

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