ENIAC is first biggest computer it occupy three-bedroom house
Z3 was the name of the first computer if we are reffering to a programmable computer.The Z3 was also the very the first computer to use binary code and was invented by Konrad Zuse


I think typewriter...... but if you think the name of the first computer was called Atanasoff-Berry computer designed by John Atanasoff and Clifford Berry at lowa stage collage
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