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In 1833, Charles Babbage created the Analytical Engine, which was the first working
model of a mechanical computer that was fully program-controlled. That’s why
Charles Babbage was known as the ‘Father of Computers.’
Lady Ada Lovelace’s Programs
The instructions for Babbage’s Analytical Engine were written
in 0’s and 1’s, and this concept was first introduced by
Lady Ada Lovelace. Because, she was the first to develop
the concept of programming, she was known as the First
Computer Programmer.
Herman Hollerith’s Tabulating Machine
In 1890, an army engineer, Herman Hollerith, created a
machine called the Tabulating Machine. This machine read
and stored data using punched cards.
After his machine was successful, Hollerith started a company
called the Computing Tabulating Recording Company to
sell it. Later, in 1924, his company joined another company
International Business Machines Corporation, today
popularly known as IBM.
Humans learned and grew
smarter, just like computers
have become faster and
smaller over time.
Evolution of Computers 9

