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About this document
- Pages
- 4 pages
- Price
- $4 one-time, yours to keep
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- Format
- Subject
- History, Technology
This document discusses key technological advancements from the 20th century. It covers inventions like parking meters, mobile phones, and computer software, and their impact on modern life.
What's inside
- Introduction to 20th-century inventions
- Parking meters and their impact
- Evolution of mobile phones
- Development of Microsoft Windows
- Bibliography
Who it is for: Students of history, technology, and social studies. (Undergraduate)
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Summary
The 20th century saw many technological innovations that changed daily life. Students learn about some of the most important inventions and their impact on society.
Inventions That Changed Life
The 20th century brought many inventions that people now take for granted. These inventions have greatly influenced how people live today.
Parking Meters
Parking meters were invented to solve parking congestion problems. They help cities control street parking and generate income.
Mobile Phones
The concept of mobile phones began in 1947. Today, cell phones are essential for communication and staying updated with work and social media.
Microsoft Windows
Microsoft Windows was first released in 1983. It has undergone many improvements over the years and is widely used today.
Key terms
- Parking meter
- A device that controls parking time and collects payment.
- Mobile phones
- Portable devices for communication and internet access.
- Windows 3.0
- A version of Microsoft Windows released in 1990 with improved features.
- Carlton Cole Magee
- The inventor of the first parking meter in 1932.
- AT&T
- A company that proposed mobile phone technology to the FCC in 1947.
- Bill Gates
- The founder of Microsoft and the creator of Windows.
Questions this document helps with
- What were some key inventions from the 20th century?
- How did parking meters solve parking congestion?
- How have mobile phones evolved since the 1940s?
Summary written with AI from the document's text.
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