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Telecommunication: Quiz


Question 1: See the book Voice Across the Sea by Sir ________, Harper & Brothers, New York City, 1958.
2001: A Space OdysseyThe Last Theorem3001: The Final OdysseyArthur C. Clarke

Question 2: In 1936, the BBC did broadcast propaganda to the Arab World to partly counter similar broadcasts from Italy, which also had colonial interests in ________.
North AfricaMiddle EastMaghrebEurope

Question 3: These occur because of the nature of analog transmission, which means that perturbations due to ________ will be evident in the final output.
Noise measurementNoise (video)NoiseNoise (electronics)

Question 4: It formed the basis of experimental broadcasts done by the ________ beginning 30 September 1929.
Norwegian Broadcasting CorporationRaidió Teilifís ÉireannBBCTG4

Question 5: For example, one radio station can broadcast radio waves into free space at frequencies in the neighborhood of 94.5 megahertz (MHz) while another radio station can also broadcast radio waves at frequencies in the neighborhood of 96.1 ________.
JouleHertzPascal (unit)Volt

Question 6: In an analog telephone network, the caller is connected to the person he wants to talk to by switches at various ________.
1ESS switchCrossbar switchPanel switchTelephone exchange

Question 7: [51] Lastly, improvements in ________ have led to an exponential growth in the data capacity of a single fibre.
Statistical multiplexingOrthogonal frequency-division multiplexingMultiplexingMultiplexer

Question 8: This method of dividing up the medium into communication channels is called, simply enough, "________" (TDM), and is always used used in optical fiber communication.
Time-division multiplexingDirect-sequence spread spectrumWavelength-division multiplexingFrequency-division multiplexing

Question 9: [4] However semaphore systems suffered from the need for skilled operators and the expensive towers at intervals of ten to thirty ________ (six to nineteen miles).

Question 10: At the transport layer, most communication adopts either the ________ (TCP) or the User Datagram Protocol (UDP).
IPsecInternet ProtocolIPv6Transmission Control Protocol

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