Se943 week 2 A

Assignment 2

100 points

Assignment Description

Read chapter 4 and reputable resources. Using your knowledge of how an ATM is used, develop a set of requirements that could serve as a basis for understanding an ATM system.

                                                            Please list at least one reference.

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DB Unit 3 #2

 I need an initial post+ 2 responses to classmates.

Topic 2: Excessive Regulation

Do excessive regulations sometimes have unintended consequences? What are some examples of the unintended consequences? Please use outside research to back up what you say. Be sure to cite your sources.

Please see attached for classmates initial posts. Use it as an example and respond to each one of them.

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MTV

 Part 1: Michael Jackson’s Thriller  On the internet or your phone, look up the official music video for Michael  Jackson’s Thriller.  After watching this music video, please answer the following questions in a word document: o Describe this video and explain why you believe it became such a mega-hit. o, Share a brief biography of Michael Jackson.  o Thriller is considered characteristic of post-1980s pop music. Describe what makes it distinctive. Be sure to include information about the rhythm, electronic instruments and conventional instruments, and  Jackson’s voice. MUS 121 – Rhythm Blues and Hip Hop Unit 7 – Black Pop and Neotraditional Trends of the 80s and 90s Music as a Cultural Artifact – Guided Listening Assignment Part 2: The Renewal of Rock and the Resurgence of Blues Music   On the internet or your phone, listen to ONE the following: o The Traveling Wilburys, “Handle With Care”  o The Rolling Stones, “Start Me Up:  o Tom Petty and the Heartbreakers, “I Won’t Back Down”  o Stevie Ray Vaughn, “Voodoo Child”  o Robert Cray, “Strong Persuader”   After listening to your selection, answer the following questions in a word document: o Is your choice representative of a resurgence of rock music or blues music? Explain why you made this determination.  o Share a brief biography of each of the band/artists you chose. o Name the members of each of these bands. o Examine the lyrics and share the lines which are your favorite and made an impression on you. o What are the ideas being addressed in each of these songs?  o What is the date that the original music was written? What is the date that  this original recording was made/released ? o Has anyone else recorded the song you have chosen? If so, find one  YouTube recording of a “cover” of the song you have chosen if it is  available. If nothing is available, please indicate that as well. o List the instruments you hear in these recordings. Are each of these songs  the same or different instrumentation?  o What was your favorite thing about the performances/recordings?  o What emotions did the performances/recordings make you feel when you  heard it? Part 3: Socially-conscious Female Singer-Songwriters  On the internet or your phone, listen to ONE the following: o Suzanne Vega, “The Queen and the Soldier”  o Tracy Chapman, “Fast Car”   After listening to your selection, answer the following questions in a word  document: o Share a brief biography of each of the artist you chose. o Examine the lyrics and share the lines which are your favorite and/or  made an impression on you. o What are the ideas being addressed in each of these songs? How does  the song you chose illustrate the artist’s social-consciousness? o What is the date that the original music was written? What is the date that  this original recording was made/released ? o Has anyone else recorded the song you have chosen? If so, find one  YouTube recording of a “cover” of the song you have chosen if it is  available. If nothing is available, please indicate that as well. o List the instruments you hear in these recordings. Are each of these songs  the same or different instrumentation?  o What was your favorite thing about the performances/recordings?  o What emotions did the performances/recordings make you feel when you  heard it? Requirements:  Three to four pages in length, excluding the Reference page.  APA format, including an in-text citation for referenced works.  At least four resources. Be sure to read the criteria by which your work will be evaluated befo 

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Deep Learning

 

k

Back Propagation

Neural Network

For the multi

layer neural network that you will be implementing in the following problems, you may use 

either the hyperbolic tangent or the sigmoid for the activation function.  Obviously you will be implementing 

the back propagation method to train the n

etwork.  Your code should include an arbitrary method that allows 

you to code it for any number of input dimensions, hidden layers, neurons and output neurons, (i.e. you need 

it to be able to allow you to change a variable and it changes the number of laye

rs, or the number of neurons 

at a given layer, or the number of dimensions, or the number of output layers…in other words this cannot be 

hard coded

for a specific data set

).   

1.

(25pts) 

Develop a multi

layer neural network to solve the 

regression problem: f

(x) = 1/x

, (for only the 

positive values of x)

.  Be sure to create a testing and training set.  

I am 

NOT

providing you with data. 

The 

number of hidden layers and neurons 

is your discretion, however, you must provide an explanation as to why 

the number of l

ayers and nodes you used was a good choice.  You will need to create multiple different 

structures that you train and p

lot this error for the different models to show why you chose the final model 

that you did for this problem.

Report your network configu

ration, and comment on your observations 

regarding the performance of your network as you try to determine the number of hidden layers and hidden 

nodes of your final network, once you determine the correct model

:

a.

(10pts) 

T

rack 

your training and testing history.  

This means that you 

check your training performance 

and your testing performance at multiples of some fixed number of 

iterations

(and over many Epochs 

also)

[thus you will provide a graph of this information]

, implement 

the online learning method.

Be 

sure to label plots appropriately.

(Remember to scale the data in the range that provides the best 

results for your activation function

… normalization is a must)

b.

(5pts) 

What did you observe regarding the value of the learni

ng parameter and how the network 

performed given

(do one of each)  

i.

(2.5pts)

a fixed value, 

ii.

(2.5pts) 

and a time decreasing value 

c.

(2.5pts) 

Choose a couple of points beyond your training set (i.e., if your max training input 

is 

x=10, 

try testing your netw

ork with, say, x=10.5, x=

12

, and x=

30

).  What do you observe regarding the 

networks ability to generalize for data that is beyond its training set (note, you may have to increase 

the v

alue of x 

to a large number 

to get a good idea

to answer this

)

.

d.

(2.5pts)

Briefly comment on 

the extrapolation capability 

compared 

to the interpolation capability

of 

the network.

e.

(5pts) 

Plot the final results

showing the capability of your network to determine the function f(x) = 

1/x versus the function f(x) = 1/x.

2.

(25pts)

Develop a multi

layer neural network to

classif

y

the 

IRIS 

data set.  

Use K

Fold Cross Validation for 

this problem.

The code you use for thi

s problem will be an extension of the code you created for problem 1.

a.

(12pts) Implement the NN and r

eport your network configuration: number of hidden layers, number 

of nodes per hidden layer, learning rate/learning schedule, encoding of the output

, etc.

b.

(

5pts) 

Plot 

the 

error metric versus the number of training steps (similar to problem 

1

).

c.

(8pts) 

Comment on how well your network learned the data.  Things to think about: did the network 

classify the data well (or not), and why (or why not); how well did it

classify each class independently 

(you might consider contingency

table

s for this

); and what observation do you have regarding number 

of training samples

: was the normalization technique I used adequat

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Wandering in the Woods Game:

Projects in the list below are for the same overall effort, namely making computer simulations (many of which end up looking like games, sort of). These simulations are meant to help K-8 students learn about computation, computational thinking, math concepts, and computer science. 

the project will have 3 pieces: 

  • a fairly simple visualization designed to show grades K-2 students the basic idea (and perhaps entertain them); students will make some choices, and see what develops
  • a slightly more complicated version in which grades 3-5 students make choices, see data, and meet additional challenges; we are aiming for grades 3-5 students to work with single data generating events, “small data”
  • a still more complex version for grades 6-8 in which students work with local and big data, graphs are generated, and students make judgments that change the data in meaningful ways; for this oldest group, we want to introduce the ideas of working with BIG data sets, interpreting something from multiple sources, over time

A big idea of the simulation is that students will have a similar look and feel to each of the three stages. When they encounter the second and third stages (as described above, K-2, 3-5, and 6-8) when they progress through their school years, the learning curve for the later stages will be shorter. Also, they can have more confidence that they will be successful at the new challenges.

Each of these simulations are designed for a pair of students working together in front of the same screen. The simulations should include audio directions and prompts, and assessments to see how the students are doing with the challenges.

  1. Wandering in the Woods Game: This project has a direct tie to assignment 1. People are “lost in the woods” where the woods are represented by a rectangular grid. The woods are dense, and the people can’t see or hear each other until they are in the same cell of the grid. In grades K-2, the grids are always square, there are always two people, and they start out in diagonally opposite corners of the grid. They wander about randomly, and each move is counted, with a counter for each person. Music plays as cartoon characters wander in the woods. When the people bump into each other, there is a happy graphics display, and statistics from the wandering are displayed and announced audibly. Then the game is reset, and students can start it up again. For grades 3-5, students can set up the size of a grid, which can be rectangular (instead of just square). There can be 2, 3, or 4 people, and students can place them wherever on their grid. Once the game is started, it can be played and replayed multiple times. Statistics (such as longest run without meeting, shortest run, and average run) are displayed. In grades 6-8, students have all the control of the 3-5 game, but 6-8 students will be challenged to run experiments to determine how the average run varies with the size and shape of the grids. They will also be able to explore different protocols for wandering, and to decide which is the best way to wander if you want to shorten the time it takes to meet up.

A really great team is likely to make their simulation much better than I have suggested here. For example, exponential growth might be illustrated using zombies! When you give me you preferred choices, you are invited to tell me why you think your group would be best to do that particular project. Part of your justification could be neat ideas your group has for making your simulation better (more fun, more clever, more educational) than my descriptions are.

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Problem solving with r code

  

Instructions: Using R and the data set provided, provide the code and output that completes the following. I have intentionally left a few minor details for you to either reason through or research. I am aware that there are lots of ways to accomplish many of these tasks in R; I do not really care which way you do them so long your output answers the questions asked.

Expectation: This assignment is constructed such that you can easily validate your answers in Excel with minimum effort. Therefore, I expect you to do so.

Note: You might find this tidbit useful. The simple use of the aggregate function in R produces two variables with the labels: “Group.1” and “x”. If you want to change the labels you can use the command “names” (e.g. names(x) = c(“NewLabel_Group.1”, “NewLabel_x”)

1. Load the data file.

2. Provide to me the structure of the loaded data set.

3. Provide me a “summary” of the loaded data structure.

4. Count of releases per year.

5. Count of releases for each group of two years (i.e. 1992 and 1993, 1994 and 1995, etc).

6. Average number of the Lines of Code (LOC) per releases per year.

7. Average size of the file size per year.

8. Create a single data frame through code which contains the year along with the avg, median, and standard deviation for LOC and tar file variables.

 find something interesting to tell me about from this data or about this assignment! Note that this is subjective on my part and is intended to challenge you to go beyond the constraints of the above questions!

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class diagrams

Assignment 2
Software Engineering
Fall 2021
Due date: Thursday, October 14, 2021 (Midnight)

“Rhythm. Life is full of it; words should have it, too. But you have to train your ear. Listen to the waves on a quiet night; you’ll pick up the cadence. Look at the patterns the wind makes in dry sand and you’ll see how syllables in a sentence should fall”
Arthur Gordon, A Touch of Wonder

In this assignment, you will learn how to apply design patterns to solve problems in software components design. You will work with one partner, I prefer that you choose your partner. The experiment from the first assignment was a nightmare for me! If you cannot find a partner by Wednesday, I will assign you a partner randomly.

This is an easy assignment; it was something else (I would say much harder) but I decided to change it since we have only three weeks left. The assignment, however, is a practice on how to apply some of the well-known patterns to solve problems, it also contains a general design problem.

In this assignment you need to provide solutions to the following problems. Please submit all your answers using one document in in pdf.

Problem 1. A giant industrial company produces different types of vehicles including cars, boats and buses. The company provides its vehicles with three different types of seats: luxury seats, leather seats, and clothes seats. The company buys these seats from 3 different providers: Provider A, B, and C. Any type of vehicle can have any type of seat which might be requested from any of the 3 providers. A control unit (i.e., a client code) can create vehicles of different types depending on the requests that come from the managers.

What design pattern(s) best fits your needs? Using the design pattern(s) you choose, design a solution in the form of a class diagram that shows how these classes can be structured.

Problem 2. You were asked to design a smart control unit for a printer. The printer can print three types of documents: pdf, MSWord, and JPG (images). The smart printer keeps the documents sent for printing in a queue. It can perform 2 types of operations on the jobs in the queue. These are: (1) Add colored frame, which displays a colored frame on the edges of the printed paper. (2) Add background, which adds some background on the printed paper.

The control unit should be designed in a way that allows clients to perform any operation on the jobs in the queue. So the problem is that you have a collection of heterogeneous

objects, on which you want to perform similar operations. The design also allows adding more operations upon client’s needs.
What design pattern(s) best fits your needs? Using the design pattern(s) you choose, design a solution in the form of a class diagram that shows how these classes can be structured.

Problem 3. Suppose you want to design a software component that is responsible for the calculation of the shipping cost for some shipping company. The company ships goods for three destinations: local (in the same city), domestic (same country) and international. The shipping cost consists of two factors:

  1. Handling:forlocalshipping,handlingisperformedbythecompanyemployees, for domestic, handling is performed by a contractor, and for international shipping, handling is performed by some airplane employees.
  2. Delivery:bycarforlocaladdresses,trainfordomestic,andairplanesfor international addresses

What design pattern(s) best fits your needs? Using the design pattern(s) you choose, design a solution in the form of a class diagram that shows how these classes can be structured.

Problem 4. Video Store

A new video store intends to offer rentals (and sales) of entertainment material to the wider public. The video store will keep a stock of video tapes, CDs (games and music) and DVDs. The inventory has been ordered from suppliers. All entertainment media will be bar coded so that a scanning machine integrated with the system can support the rentals, returns, and sales. Existing customers will be able to place reservations on entertainment material to be collected at a specific date. The system must have a flexible search engine to answer customer enquiries, including enquiries about the material that the video store does not stock (but may order it on request).

System Requirements:

  1. The video store keeps an extensive library of current and popular movie titles in stock. A particular movie may be held on video tapes or disks
  2. Amoviecanberentedforaparticularrentalduration(indays),witharentalcharge for that period
  3. Thevideostoremustbeabletoanswerimmediatelyanyqueriesaboutamovie’s stock availability. The current condition of each tape and disk must be known and recorded, together with generic information about the percentage of video tapes and disks in excellent renting condition

Scanning Device

<<depends on>>

Rent Video

Reserve Video

Return Video

Employee

Order Video

A use-case diagram for the video store

Maintain Customer Answer Enquiry

a. Designanarchitecturalcontextdiagramforthevideostoresystem.Pleasestate any assumptions you make

b. Definethearchetypesandrefinethearchitectureintocomponents,designthe component structure for the system

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Intro to Information systems -2

 

Week 2 Assignment. Include these topics in your paper:

People sometimes refer to the Internet and the World Wide Web as the same thing. There is a relationship between the two, but they are different.

  1. Describe a computer network, the Internet, and the Web. How is the Web related to the Internet?
  2. Describe how the Internet and Web support global e-commerce and other aspects of our lives.

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computer crimes

 

Every September 19, the entire international community is invited to Talk Like a Pirate. Here, you may indulge in that linguistic celebration, but that’s not the focus of your mission.

For this week’s Discussion, you must utilize your legal case research skills and find a case that dealt with intellectual property theft online. Your treasure map might have you begin at UC’s library, where Nexis-Uni may be effective.

This is not an exercise in finding an article or opinion piece. Your source material must be a legal dispute. In order to avoid the risk of discussing only a handful of cases amongst the hundreds or more that have gone to court and are available, do not discuss a case that another student has already initiated; review the Discussion II.b. Forum before you post your Initial Post to avoid that fate.

At a minimum, you must:

  1. Cite the legal case pursuant to APA citation guidelines for court decisions and cases (Purdue’s OWL has direction), and make sure to submit it to Discussion II.b.;
  2. What was the principle issue in the legal dispute? This should surround the legal issue at the heart of the lawsuit, and may include the essential facts of the matter;
  3. What was the rule or set of rules that the court analyzed to frame the legal dispute? Maybe they are federal laws or regulations, or it could be at the state level, or a combination;
  4. How did the court apply the rules to the set of facts posed by each side? Here, we want your summary of the logic, the critical thinking, and the rationale that the court built its conclusion upon; AND
  5. What did the court conclude? Who won, who lost, what’s left unanswered for the next phase of litigation if there is one to follow?

**Remember** Every Discussion in MSDF 633 fits into the same pattern:

  • Review the Discussion prompt, which you are reading right now, and understand it and study any additional materials implicated within it;
  • Submit an Initial Post no later than the end of Wednesday during the week the Discussion occurs;
  • Submit at least one or two Responsive Posts, more are always welcomed, to your classmates’ Initial Posts no later than the end of Sunday during the week.

Savvy? So I thought.

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C++ Program

 Program 1:  Shipping Fees

The Acme Company sells Widgets at $2.00 each.  A customer has the following options for shipping:

  1. Ground Delivery:  7 to 10 days          $  5.00
  2. Express Delivery:

    3.  2 days                                             $ 10.00
    4.  Overnight                                       $ 20.00

Write a program using the steps in the lecture titled “Even More Algorithm Practice” from this module.
Be sure to do the following:

  1. Prompt the User for how many Widgets they wish to purchase.
  2. Error check the input to make sure that it’s not zero.
    1. Use an outer IF/ELSE where the IF is used to display an error message if the input is zero and the ELSE is used for steps 3 through 12 below and for printing the receipt.
  3. Prompt the User for the delivery option.
  4. Compute the sub-total cost of the Widgets.
  5. Compute sales tax on the sub-total cost of the Widgets.  Use 8%.
  6. Compute the total cost of the Widgets.
  7. Determine the delivery cost.
    1. Use an IF/ELSE structure to determine Ground or Express fee. 
    2. Nest an inner IF within the Express option to determine the 2 day or overnight fee.
  8. Once the shipping fee has been selected, add it to the total cost of the Widgets. 
  9. Format all dollar amounts with two decimal places and add a dollar sign to each one.
  10. Format the sales tax with two decimal places.
  11. Only print out the receipt if the number of widgets is valid.
  12. Print out the receipt showing the following:

Number of Widgets:
Sub-Total Cost:
Sales Tax:
Sub-Total with Tax:
Shipping Fee:
Total Cost:

You will also need to do the following for the prologue section:

  1. Create an initial algorithm of the basic steps.
  2. Develop the refined algorithm from the initial algorithm.

Be sure to include with your program as documentation: 

  1. The Program Prologue
  2. The Input data
  3. The Output data
  4. Any Formulas you may have.
  5. The Initial Algorithm
  6. The Refined Algorithm
  7. Line-by-line documentation within the body of code.
  8. The code to pause your output screen.

NOTE 1:

  • DO NOT use the “return” code, end, break, continue, or exit to force an exit from within your IF/ELSE structure.
     

    • Let the program progress to the end of the main function. 
    • The end of the main function is the only place that the “return” should be placed. 
    • A switch statement is the only place that the break command should be placed.

NOTE 2:
1.  Declare all variables within the data declaration section of each class and method.  (-5)
2   Do not get input on the same line as a variable declaration.  (-5)
3.  Do not place an equation for computation on the same line as declaring a variable.  (-5)
4.  Do not place an equation for computation on the same line as input.  (-5) 

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