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- 1. Multiple Choice
What are Fiber Optics?Thin, flexible fibers of glassFlexible fibers of glassThin fibers of glassThose glow toys - 2. Multiple ChoiceHow are Fiber Optics used in everyday life?IPadsiPodsCell phonesLand lines
- 3. Multiple ChoiceWhat is the most prominent use of Fiber Optics today?PhonesTelevision ScreensThe InternetMRI imaging
- 4. Multiple ChoiceFor what are Fiber Optics mainly used?Long distance communicationImagingPhonesDownloading Apps
- 5. Multiple ChoiceHow do Fiber Optics work?By connecting and transferring energyBy remitting and subtracting power from other fiber opticsBy using light pulses to transfer dataBy converting sound waves in to binary code
- 6. Multiple ChoiceAre fiber optics used for long or short distance calls?Long DistanceBothShort Distance
- 7. Multiple ChoiceHow does light travel through the cable?Refraction and ReflectionRefraction onlyDispersionTotal Internal Reflection
- 8. Multiple ChoiceWhat is one benefit of Analog Data Storage?Analog signals become distorted over long distancesAnalog systems preserve waves formsAnalog devices for playback wear outAnalog systems are less expensive
- 9. Multiple ChoiceFind the false statement.Digital systems sample the wave formDigital files are distorted over long distancesDigital media is less expensive to produce than analog mediaDigital systems convert waves into a binary code
- 10. Multiple ChoiceWhich statement is true?Digital files of binary code are easy to transmitAnalog systems convert wave information into a binary codeDigital recordings sound more like the originalAnalog signals do not distort over long distances
- 11. Multiple ChoiceWhich of the following increased the efficiency of systems such as TV, telephone, and internet?DVD burnersMP3 playersElectrical WiresFiber Optics
- 12. Multiple ChoiceThe person tapping in a signal to send through Morse code is doing what to the message?encoding ittransmiting itdecoding itstoring it
- 13. Multiple ChoiceWhich of the following allows fiber optic cables to transmit data?total bending of lighttotal dispersion of lighttotal internal combustiontotal internal reflection
- 14. Multiple ChoiceIn fiberoptic cables used to transmit communication data, what does a receiver and decoder do?receive the sound signal and convert to binary datareceive the light signal and convert to binary datareceive the audio signal and convert to analog datareceive the direct signal and convert it to analog data
- 15. Multiple ChoiceWhat increases the amount of information transmitted by fiberoptic cables?increasing the lengthusing plastic instead of glass in the cableincreasing the number of fibersusing fewer optical amplifiers along the cable
- 16. Multiple ChoiceWhy are fiberoptic cables preferred over copper wire in telephone and Internet applications?used both indoors and outdoorseasier to manufacture and install into office buildingsmore flexible and needs no power sourceless sensitive to temperature/electromagnetic interference
- 17. Multiple ChoiceWhich of the following devices uses laser technology to function?USB driveDVD playercomputer monitorbluetooth headset
- 18. Multiple ChoiceWhen would fiber optics most likely be preferred over radio waves for communication?The content of the communication needs to remain secureThe climate of the area is hot and humidThere are frequent power outages in the arealittle money available to build the communication system
- 19. Multiple ChoiceWhich describes an advantage of total internal reflection within an optical fiber?It converts electrical signals into optical signalsallows optical signals to be transmitted along a curved pathIt converts optical signals into electrical signalsIt allows electrical signals to be transmitted along a curve
- 20. Multiple ChoiceWhat has replaced much of the copper circuitry that connected telephone switching stations?microelectronicstungsten wirefiber optic cablereinforced plastic
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