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Technology & Communication

Technology & Communication

• How do pictures get into a camera?
  
  
• How do cell phones work?
  
  
• How do remote controls work?
  
  
• What is the Internet?
  
  
• What does digital mean?
  
  
• What is a computer?
  
  
• What is email?
  
  
• What is a computer virus?
  
  
• How do robots work?
  
  
• How do bar codes work?
  
  
• What is a megabyte?
  
  
• How do televisions work?
  
  
• What is a telegram?
  
  
• How do walkie-talkies work?
  
  
• Why is a computer mouse called a mouse?
  
  
• How does a telephone work?