JAMES KING-HOLMES / SCIENCE PHOTO LIBRARY JAMES KING-HOLMES / SCIENCE PHOTO LIBRARY
First programmable computer. Technician entering data into the first stored- program computer. This computer (called "Baby") ran the world's first program on 21 June 1948. It is being restored by a team from the Computer Conservation Society. It was developed at Manchester University, England, by Tom Kilburn and Freddie Williams. Data was entered on a set of buttons and switches. Baby is over 2 metres tall, and almost five metres wide, and stored information on the screen of a cathode ray tube. The screen had 32 lines of 32 digits, giving a total memory of 1024 bits (binary digits). Modern computers may have a million times this, or more.
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