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The Technology Revolution

The Technology Revolution. Objectives. Describe the evolution of the computer from scientific tool to household appliances. Evaluate how the computer has revolutionized science, medicine, and communications. How has technology changed society.

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The Technology Revolution

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  1. The Technology Revolution

  2. Objectives • Describe the evolution of the computer from scientific tool to household appliances. • Evaluate how the computer has revolutionized science, medicine, and communications.

  3. How has technology changed society • In the late twentieth century, the development of new technology, including personal computers, mobile phones, and the Internet, revolutionized the way people lived. • What other eras in American history experienced rapid technological change? • Has the computer revolution changed society for the better? Why or why not?

  4. The Technological Revolution • How did the technological revolution change American society?

  5. The Technological Revolution • How did the technological revolution change American society?

  6. The Rise of Compact Computer • The World’s first electronic digital computer, called ENIAC, went into operation in February 1946. • ENIAC weighted over 30 tones and took up as much floor space as a medium-sized house.

  7. The Rise of Compact Computer • In early 1957 Gordon Moore and Robert Noycedesigned the first integrated circuit- a complete electronic circuit on a single chip of the element silicon - which made circuits much smaller and very easy to manufacture. • The region located south of San Francisco is known as Silicon Valley.

  8. The Computer changes society • In 1968, Moore and Noyceformed Intel, a company that developed the microprocessor.

  9. The Computer changes society • In 1976 Stephen Wozniak and Steve Jobs founded Apple Computer and completed the Apple I. • The following year they introduced Apple II, the first practical and affordable home computer • In 1981 International Business Machines (IBM) introduced the “Personal Computer” (PC). • Apple responded with the Macintosh in 1984, a new model featuring a simplified operating system using on-screen graphic symbols called icons, and operated by a mouse.

  10. The Computer changes society • Nineteen year-old Bill Gates co-founded Microsoft to design PC software – the instructions used to program computers to perform desired tasks. • In 1985 Microsoft introduced the “Windows” operating system. • By the late 1990s, workers used home computers and electronic mail to “telecommute.”

  11. The Telecommunications Revolution • One major telecommunications technology that became very popular was the cell phone. • Wireless digital technology transformed many consumer products, such as music players and cameras.

  12. The Rise of the Internet • A computer resource that linked government agencies developed into the Internet.

  13. The Rise of the Internet • The Internet originated as a resource that linked government agencies. • The Internet is the physical network of computers connected together by phone lines, cable lines, and wireless communications.

  14. The Rise of the Internet • By 2007 more than 1 billion people were regularly using the Internet. • In 1990 researchers at CERN developed a new way to present information on computers linked to the Internet. • Known as the World Wide Web, this system used hypertext and could be accessed with software known as the web browser.

  15. The Rise of the Internet • A few Internet companies have become major success stories, such Amazon.com, Google, and Yahoo. • The World Wide Web has become a way to build a sense of community for many people. • For example, blogsallow people to share photos, stories, and opinions about many topics.

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