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What happened in the 1950's?
the modern computer became smaller, faster and cheaper.
What is one main difference between the smallest mobile phones and the modern computers?
the smallest phones have bigger memories than the early biggest computers.
What one of the biggest problems that modern computers have?
one of the worst problems is the computer virus.
who's one of the most famous scientists in the 20th century?
Alan Turing
What was Alan Turing famous for? and why?
He made the first digital computer called Colossus.
how much does Colossus weigh?
It weighed 30 tons.
Whose idea was the modern computer?
Charles Babbage
What was Ada Lovelace contribution to the modern computer?
It's the software as she was the first computer programmer.
Who was famous as the first computer programmer?
Ada Lovelace
In which years were the modern computers came to life?
from 1791-1871 and from 1815-1852
what was the machine found in the 1900 called?
The Antikythera Mechanism
What can help to teach math to children?
the abacus
what was the earliest computer that was believed to use in detecting the position of the sun, moon and stars?
The Antikythera Mechanism
