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what is the total delay latency for a frame of size 5 million bits that is being sent on a link with 10 routers each
1 a file contains 2 million bytes how long does it take to download this file using a 56-kbps channel 1-mbps channel2 a
1 what is the bandwidth of a signal that can be decomposed into five sine waves with frequencies at 0 20 50 100 and 200
1 we send a voice signal from a microphone to a recorder is this baseband or broadband transmission2 we send a digital
what is the phase shift for the followinga a sine wave with the maximum amplitude at time zerob a sine wave with
1 which signal has a wider bandwidth a sine wave with a frequency of 100 hzvb or a sine wave with a frequency of 200
a device is sending out data at the rate of 1000 bpsa how long does it take to send out 10 bitsb how long does it take
1 a periodic composite signal contains frequencies from 10 to 30 khz each with an amplitude of 10 v draw the frequency
1 a signal has passed through three cascaded amplifiers each with a 4 db gain what is the total gain how much is the
1 a signal has a wavelength of 1 mum in air how far can the front of the wave travel during 1000 periods2 a line has a
1 we need to upgrade a channel to a higher bandwidth answer the following questionsa how is the rate improved if we
1 list three techniques of digital-to-digital conversion2 distinguish between a signal element and a data element3
1 define a dc component and its effect on digital transmission2 define the characteristics of a self-synchronizing
1 define scrambling and give its purpose2 compare and contrast pcm and dm3 what are the differences between parallel
repeat problem p4-3 for the differential manchester schemeprob 43draw the graph of the nrz-l scheme using each of the
the input stream to a 4b5b block encoder is 0100 0000 0000 0000 0000 0001answer the following questionsa what is the
1 how many invalid unused code sequences can we have in 5b6b encoding how many in 3b4b encoding2 what is the result of
we have sampled a low-pass signal with a bandwidth of 200 khz using 1024 levels of quantizationa calculate the bit rate
1 what is the maximum data rate of a channel with a bandwidth of 200 khz if we use four levels of digital signaling2 an
consider the following rulesreachablex y - flightx yreachablex y - flightx z reachablez ywhere reachablex y means that
define a class whose instances represent request and reply messages as illustrated in figure 413 the class should
consider a game tree in which there are six marbles and players 1 and 2 take turns picking from one to three marbles
give an outline of the server implementation showing how the operations getrequest and sendreply are used by a server
a request-reply protocol is implemented over a communication service with omission failures to provide at-least-once