The Technology Revolution

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.