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Mark 1

Mark 1. This all-electronic calculator was invented by Howard H. Aiken in 1930. This was used to create ballistic charts for the U.S. Navy. The Mark 1 is called the Harvard-IBM Automatic Sequence Controlled Calculator. Mark 1. ENIAC.

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Mark 1

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  1. Mark 1 • This all-electronic calculator was invented by Howard H. Aiken in 1930. • This was used to create ballistic charts for the U.S. Navy. • The Mark 1 is called the Harvard-IBM Automatic Sequence Controlled Calculator.

  2. Mark 1

  3. ENIAC ENIAC stands for Electronic Numerical Integrator and Calculator. It was invented by J.P.Eckert and John Mauchy in 1946. It could perform 5000 additions per second. It consumed 140 kilo watts of power. It was very heavy and large in size. It was first electronic computer.

  4. ENIAC

  5. The EDVAC EDVAC stands for Electronic Discrete Variable Automatic Calculator. It was developed by Dr. John Von Neumann. It could store instructions and data.

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