ASK PSK FSK and QAM are examples of modulation a digital to digital c analog to

Ask psk fsk and qam are examples of modulation a

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1.ASK, PSK, FSK and QAM are examples of ______________________ modulation. a.digital to digitalc.analog to analogb.digital to analogd.analog to digitalANS:B 2.AM and FM are examples of _________________ modulation. 3.In QAM, both phase and __________________ of a carrier frequency are varied. 4.Which of the following is most affected by noise? 5.If the baud rate is 400 for a 4-PSK signals, the bit rate is __________________ bps. a.100c.800b.400d.1600ANS:C6.If the bit rate for an ASK signal is 1200 bps, the baud rate is _______________________. 7. If the bit rate for an FSK signal is 1200 bps, the baud rate is __________________.
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8.In Frequency Shift Keying (FSK) modulation two carrier frequencies produce a composite signal that is: 9.Quadrature Amplitude Modulation (QAM) is: a.a combination of ASK and PSK.c.a souped-up version of PSK.b.a combination of ASK and FSK.d.None of the above.ANS:A 10.For transmitting digital data signals, a typical telephone line as an approximate bandwidth of: SHORT ANSWER 1.List some of the advantages of QAM over ASK or PSK? ESSAY 1.Compare and contrast digital to analog modulation with analog to analog modulation. Chapter 6: Forouzan Data Communications and NetworksTRUE/FALSE 1. Multiplexing is the simultaneous transmission of multiple signals across a single data link.
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