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Hosts A and B are communicating over a TCP connection, and Host B has alreadyreceived from Host A all bytes up through (and including) byte 248. Suppose Host A then sends two back-to-back segments to Host B. The first and second segments contain40 and 60 bytes of data, respectively. In the first segment,the sequence number is 249, the source port number is 503, and the destination port numberis 80. Host B sends an acknowledgment (ACK) whenever it receivesa segment from Host A.
a. In the secondsegment sent from Host A to Host B, what are the sequence number, source port number,and destination port number?
b. Assume that the first segment arrivesbefore the secondsegment. In the acknowledgement of the first arrivingsegment, what are the acknowledgement sequencenumber, the source port number,and the destination port number?
c. Assume that the second segmentarrives before the first segment. In the acknowledgement of the first arrivingsegment what is the acknowledgement sequence number?
On Earth, we assume normal room temperature is 293 degrees Kelvin. From this, we find that the power spectral density of thermal noise is -174 dBm/Hz. On Venus, the average surface temperature is 462 degrees Celcius.
Charges +Q and +3Q are seperated by a distance 2m. A third charge is located such that the electrostatic system is in equilibrium. Find the location and the value of the third charger in terms of Q.
1. What is the effect of sampling at a higher rate on the error performance of a digital modulation scheme 2. Suppose 16QAM was the modulation scheme used for this lab; would the error performance
Design a system using either a flow diagram or pseudo code that will accept a block of data words encoded as specified in Part 1; then check the parity for each data word and for the block. The system should output each of the 8-bit data words.
Supply the quantisation levels (including zero) that are available. Do this for both the three and 4-bit ADC in table form. What is the resolution of each quantizer?
A 25 MVA, three phase, 13.5kV, Y-connected, two pole, 60 Hz synchronous generator was tested by the open circuit test and short circuit test and tabulated in table 1. If the armature resistance is 0.24 ohms per phase
An insurance company has made you the following retirement offer. If you pay them $100,000 now, you will receive payments of $8000 a year for 10 years. After this they will pay you $9000 a year in perpetuity (for ever).
(1) What would an amplifier with a gain of less than 1 be used for (2) (a) Do you think that the inverting amplifier is better than the non-inverting amplifier (b) Is there an advantage of using one versus the other (c) Does it matter
Modulating Radio Frequency Carriers to Carry Digital Data, Digital radio transmission requires the use of a carrier wave which is modulated by the digital data.
For the open-loop system \(G(s)=y(s)/u(s)=1/[s^{2}(s^{2}+400)]\) design the controller and estimator so that the closed-loop unit step response to a command input has a rise time tr
(1) What does the words leads and lag represent in factor In waveform (2) How would you change the power factor if you needed to
Explain how to use the knowledge of Structure-Property-Processing-Perfomance relationship to improve on a device based on semiconductivity. Name the device, describe how it is made, the principle guiding its function and application.
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