1001 Space Earth Nature History Human World Science and Technology Chemistry Materials Force and Energy Heat and Light Electricity and Magnetism Industry Machines Electronics and Computers Cars and Trucks Railways Ships Aircraft Fishing and Agriculture Undersea Exploration	When was the first computer made? The first electronic device able to process data was built in 1937, but the first computer with a stored program came in 1946. At 30 tons, and with 18,000 vacuum tubes, it filled a large room! Modern computers are portable   Previous: Back Book: 1001 Section: Science and Technology Chapter: Electronics and Computers