7. The 4066 IC has connected to the input a sine wave (120 Hz, 1 Vpp). a) Draw a voltage divider network (R = 330 Ω) to the sine wave input. b) What is the voltage divider output? (show how would you measure this voltage), c) Draw the output observed by an oscilloscope (indicate all the voltage values)                                                    8. a) Determine the length of a Hamming code required to transmit a 1.5B character word. b) What type of code is the Hamming code? c) Show an example (1.5B word) integrated with the Hamming code (use x for the bits and H for the code).                                                            9. In a digital communication system, the ratio of energy per bit transmitted to the noise power density is 12 dB and the carrier to noise is 32 dB. The power in one bit is 4.2 nW and the system temperature is 92 0F. Determine: a) the time duration of 1 bit; b) the bandwidth of the system; c) if the temperature increases to 119 0F what it will be the new ratio of energy per bit transmitted to the noise power density?                                                        10. The bandwidth of a communication channel is 52.4 kHz. The signal to noise ratio is 20 dB. Determine: a) the maximum theoretical data rate in bits per second, b) the maximum theoretical capacity, and c) the number of coding levels needed to achieve maximum speed.                                                        11. Data is transmitted in sixteen sequential packets (2024B /packet) are transmitted. The system BER is 6:10,000. Determine the number of errors in this transmission?                                                          12. A transmitter impedance is 109Ω and provides a current of 64 mA. The transmitter is connected with a 75Ω coaxial cable and the system has a reflection coefficient of 0.65. Determine: a) the SWR, b) the resistive load, c) the reflected power, and d) the output power.                                                          13. Determine: a) the characteristic impedance of a stripline with the following dimensions (d = 0.23 in, h = 0.054 in, w = 0.15 in, t = 0.002 in), that was designed to act as a capacitor of 15 pF at 650 MHz. The PCB dielectris is 2.8. b) the reactance of the capacitor. c) the length of the stripline (shorted line).               

An economic measure of all the costs of owning a product (typically hardware and/or software) including direct and indirect costs.

The following data give the prices (in thousands of dollars) of 7 homes that were sold in a small town last year.                                 195   205     214    219   265   283   852    Find the mean of the data:  [mean] Find the median of the data:  [median]

Which is an advantage of adopting Open Source Software (OSS)?

Based on this confusion matrix for MODEL A, which calculation will give the specificity of MODEL A?  

A way of developing work continually and iteratively, with the goal of more frequent product rollouts, among other things.

Quiz-5-Q3.pdf

A random sample of 225 colleges yielded a mean cost of college education of $30,500  per year.  Assume the population standard deviation is $5000.  Suppose you want to construct a 99% confidence interval of the mean cost of college.     a.  Find the standard error of the mean.  Round your answer to two decimal places.   [a] b.  Find the lower limit of the 99% confidence interval.  Round your answer to two decimal places.    [b] c.  Find the upper limit of the 99% confidence interval.  Round your answer to two decimal places.    [c]  

Assume this confusion matrix for MODEL A used to predict whether a controlled substance is present in a sample. Which calculation will give the probability that a person has used the controlled substance given that the model predicted that they did?

Keep.  Which one of the following is true of Okazaki fragments on “leading” daughter polynucleotide strands and “lagging” daughter polynucleotide strands during DNA replication?