Quiz Challenge

Fundementals of Communications & Technology. Make sure you have studied hard and good luck!

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Analog and Digital Signals
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	1. What type of signals does analog transmission use? Sempahores TCP/IP Protocol Transmissions Digital Monographs Replicas of sound waves or pictures?
	2. In digital transmissions, signals are converted into ... Binary Code Digital Analog Protocols Multiplexed Microwave Transmissions Magnetic Resnonant Pulses
	3. What are number expressed in series of 0's and 1's called? The Binary Numbers Hexidecimal The
	4. How many conversations can be carried simultaneously by 2 optical fibers? 15,000 50 25,000,000 150,000
	5. Why is digital transmission usually better than analog? Faster. Less noise. All of these. Less disturbances.
	6. When did computer scientists discover how to translate audio and video? 1940's 1950's Late 1980's 1960's
	7. What is the process of receiving and analog signial and converting it to digital called? TCP/IP Protocol Transmission Modulation Demodulation. Transmission Protocol Conversion
	8. What does a modem do? Converts between analog and digital signals Modulates TCP/IP transmission protocols. Secures data transmissions between computers. Modulates packets on a network.
	9. How are 0s and 1s represented. By Pulses of Light or Electricity As TCP/IP protocols. Using semephore technology. With Morse Code.
	10. What words is the word modem derived from? Transmission Modulation and Demoving Modulation and Demodulation TCP/IP Protocol Demonstration and Management Modem Analog and Digital

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