Discuss the problem of IPv4 Address exhaustion and the measures that were taken to mitigate that issue.

Describe the “arbitrary reference frame” used in the transformation introduced in the text

book. What are its characteristics relative to the reference frames used in other transformations?

text book is "analysis of electric machinery and drive systems 3rd edition" by Paul Krause

For the mspfr6989 write program #2

1(b) Write a program that will make LED1 blink 5 times when S1 is pressed, and then stop.

Program #2 – Using both S1 and S2 1 Write a program like 1(b) above, but the LED1 will blink until S2 is pressed. 2 Write a program that simulates a motor coming up to speed. When S1 is pressed, LED1 blinks at 50% duty cycle for 10 cycles (indicating a motor coming up to speed). After that time, LED2 comes on (indicating the motor is at speed), and can be turned off by pressing S2. 3 Create a flexible program for 2(b) that will reverse the operation of the LEDs if S2 is pressed first (LED2 shows ramp-up, and LED1 shows motor at full speed). Must use functions to control all timing, LED access, etc… Main program should just have loops and function calls.

a) Create a program for the msp430FR6989 .You will use need to program it to be able to use a external pulse switch to start/stop the blinking of LED1, and a second pulse switch to control the blinking of LED2. b) Modify Program #1 (b) to blink the number of times on the data switches once the pulse switch is engaged

write a program for the msp430fr6989

Using the general purpose timer, specifically the ACLK, create a program which makes LED1 stay on for 4 seconds and off for 2 seconds and repeat indefinitely.

Modify the above program to extend the timing to 20 and 10 seconds, respectively.

Using the conditional assignment statements, write the verilog code for 16:1 Mux. Write the test bench for this module.

Write a parity checker for the ASCII system in MARIE. MARIE is an assembly language. The parity checker should repeatedly execute a loop that performs the following tasks: 1. Ask the user for an input X, which can be any printable ASCII character from Table 1; 2. Output the decimal code of X; 3. Output the total number of 1’s that appears in the binary code of X; 4. Output the parity bit which, when added to the binary code of X, will make the number of 1’s even.

9. Why is the D flip flop the more common flip flop?

10. What is the purpose of a clock in a digital system?

a) Implement a decade counter using FF JK-MS.
b) Implement a counter dividing by 6 using FF JK-MS.

c) Repeat the previous exercises using FF Type-D.

using matlab, compute and plot y [n] = x [n]* h [n], where
a. x [n] = h [n] = a^n (0 <=n <=40) & a = 0.5
b. x [n] = cos [n]; h [n] = u [n]; n = 0:4:360
c. x [n] = sin [n] ; h [n] = a^n; n:4:360; a = 0.9

+5V to +12V DC to DC Switching Converter. The circuit works by charging a +5V DC Input voltage into a +12DC Output Voltage and charging wth capacitors. The switches turns off and on when to charge and output. Explain the solution and how this works in depth. 1.5 - 2 Paragraph.

given the sequences 
x1 = [2, 6, -4, 1]
x2 = [8, 0, 2, 0, -9, 0, 1, 0]
x3 = [2, 0, -8, -8, 2]
x4 = [0, 1, 5i, 0, 6i, 0]
x5 = [9, 3, 7]
plot the
1. DFT magnitude of the computed sequences in MATLAB 
2. phase responses in degrees and radians against frequency and number of samples
3. comment on the plots

Explain the basic requirements of security in WSN system.
You are required to design your own security protocol with start byte, stop byte, payload along with security codes in your WSN based project. You are asked to send the data 3A20F14B. Select the security bytes and provide necessary explanation.

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