Respuesta :

Answer: In 1834, Charles Babbage announces the analysis engine.

1943: The birth of Mark I Colossus.

1954: First prototype of desktop calculators.

Explanation:

1). 1834, Charles Babbage announces the analysis engine. ...

2).1943: The birth of Mark I Colossus. ...

3). 1954: First prototype of desktop calculators. ...