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01 EVOLUTION OF COMPUTERS
Learning Outcomes
• Early Counting Tools • Abacus—First Calculating Device
• Charles Babbage’s Analytical Engine • Lady Ada Lovelace’s Programs
• ENIAC—The First Electronic Computer • UNIVAC
• IBM PC • Modern Computers
My grand mom is coming to Oh that would be so exciting.
meet me after so many months. She will tell us about devices of
her time.
I would love to meet her. I believe there has been great
changes in technology since her
time.
Sure! We will ask her about her
past experiences. Yes, you are right.
Have you ever thought how the computer that we use today evolved? What was
the name of the first computer that came into existence? Let us find the answers of
these questions in this chapter.
Evolution of Computers 7

