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The communication system needed for a given signal depends on which of the following?
  • a)
    Band of frequencies
  • b)
    Length of the channel
  • c)
    Size of the transmitter
  • d)
    Size of the collector
Correct answer is option 'A'. Can you explain this answer?
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The communication system needed for a given signal depends on which of...
Each of the message signals has different ranges of frequencies. The type of communication system needed for a given signal depends on the bad of frequencies which are considered essential for the communication process.
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The eye-popping bids in the current auction of wireless frequencies by the Federal Communications Commission are a testament to soaring demand for mobile Internet service. As of last week, bids in the auction exceeded $38 billion, far more than the $10.5 billion reserve price set by the F.C.C. These frequencies, also known as spectrum, are needed to expand cellular networks so they can carry more phone calls and data.The superheated bidding provides fresh evidence that the telecommunications industry is thriving despite protests by executives at companies like Verizon and AT&T that they are being stymied by regulation. Phone companies are upset that President Obama recently called for strong rules that would prohibit telecom companies, including wireless businesses, from creating fast and slow lanes on the Internet. His proposal needs to be approved by the F.C.C., an independent agency that is not obliged to do what Mr. Obama wants but that in this case should follow his direction.Telecom executives have said that such rules would reduce their incentive to invest, presumably because their potential profits would be reduced by any regulation that prevented them from charging fees to big web businesses to deliver some content to consumers faster than other information. But the companies cant be all that worried if they are willing to spend billions of dollars on wireless frequencies.Some of the money raised in the auction will be used to pay for a $7 billion communications network called FirstNet, for police, fire and other public safety agencies, a network Congress authorized in 2012. The rest of the money will go to the Treasury and help reduce the federal deficit.Few people expected that the bids would go this high for spectrum that most analysts say is less optimal for carrying wireless phone signals than other, lower frequency airwaves that more easily penetrate buildings.A separate auction that is expected to be held in 2021 will include more highly valued airwaves that are used by television broadcasters. A portion of the money bid by telecom companies in that auction will be used to pay TV stations that agree to give up some or all of the frequencies they are using.The auction of TV airwaves was originally expected to take place next year but has been delayed because of disagreements among broadcasters, telecom companies and regulators about how it should be carried out. There are billions of dollars at stake for television stations and phone companies. The high bids in the current auction should encourage them to resolve their differences and avoid further delays. They all have too much to gain from a successful auction.Americans are increasingly dependent on their cellphones - 63 percent of Americans used their phones to go online in 2013, up from 31 percent in 2009, according to the Pew Research Center. That helps explain why wireless frequencies are becoming more valuable and why the government should make sure spectrum is used efficiently.Q. Which of the following is not true as per the passage?

The communication system needed for a given signal depends on which of the following?a)Band of frequenciesb)Length of the channelc)Size of the transmitterd)Size of the collectorCorrect answer is option 'A'. Can you explain this answer?
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