Lesson 7 - Communicating With Waves

What are Fiber Optics?

• Thin, flexible fibers of glass
• Flexible fibers of glass
• Thin fibers of glass
• Those glow toys

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How are Fiber Optics used in everyday life?

• IPads
• iPods
• Cell phones
• Land lines

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What is the most prominent use of Fiber Optics today?

• Phones
• Television Screens
• The Internet
• MRI imaging

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For what are Fiber Optics mainly used?

• Long distance communication
• Imaging
• Phones
• Downloading Apps

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How do Fiber Optics work?

• By connecting and transferring energy
• By remitting and subtracting power from other fiber optics
• By using light pulses to transfer data
• By converting sound waves in to binary code

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Are fiber optics used for long or short distance calls?

• Long Distance
• Both
• Short Distance

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How does light travel through the cable?

• Refraction and Reflection
• Refraction only
• Dispersion
• Total Internal Reflection

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What is one benefit of Analog Data Storage?

• Analog signals become distorted over long distances
• Analog systems preserve waves forms
• Analog devices for playback wear out
• Analog systems are less expensive

Find the false statement.

• Digital systems sample the wave form
• Digital files are distorted over long distances
• Digital media is less expensive to produce than analog media
• Digital systems convert waves into a binary code

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Which statement is true?

• Digital files of binary code are easy to transmit
• Analog systems convert wave information into a binary code
• Digital recordings sound more like the original
• Analog signals do not distort over long distances

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