Abacus - Beads on rods to count and calculate, Slide Rule - Based on Napier’s rules for logarithms, Jaquard Loom - First stored program - metal cards, Analytical Engine - Stored numbers on metal punch cards, a, 1st Generation Computers   - Used Vacuum Tubes with no air inside to protect circuitry, Grace Hopper - Programmed UNIVAC Recipient of Computer Science’s first “Man of the Year Award, First Computer Bug - Moth stuck in relay switch. Grace Hopper called it debugging a computer, First Transistor - Used silicon, won Nobel prize, on-off switch., UNIVAC - First fully electronic digital computer built in the U.S., Created at the University of Pennsylvania, weighed 30 tons, contained 18,000 vacuum tubes, Cost $487, 000,

History of Computer 1st Generation

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