select an organization that has a Global platform (they operate in more than one country), that has demonstrated operational excellence. In this paper, perform the following activities:

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select an organization that has a Global platform (they operate in more than one country), that has demonstrated operational excellence.  In this paper, perform the following activities:

  • Name the organization and briefly describe what good or service they sell and where they operate.
  • Note how they are a differentiator in the market.
  • Note the resources used to ensure success in their industry (remember resources are comprised of more than just people).
  • Explain what actions the company took to achieve operational excellence.

There should be at least three APA approved references to support your work.

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Getting Started with iOS – The iPhone

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The first iPhone was revealed at the Mac World conference in early January 2007, and later released in June of that year. Initially, third-party native applications were not allowed. Apple products have created a unique brand value within society.  Their products do not support third party applications, thus providing additional layers of security from social engineering and malware attacks.

  1. How has the use of core ideas such as location and orientation-aware pushed iPhone beyond its web browser and tightly integrated web functionalities?
  2. Why are Plists (property lists) the easiest way to store information on Macs?
  3. Discuss the benefits of using Xcode for developing iOS apps.

Need 70-80 words for each question with proper APA style citations.

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Assignment 2

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 Assignment 2 CS 120/121 Getting Started Objectives: 1. Gain an understanding of research strategies 2. Expand the preliminary outline, developed in Assignment 1, into a final full-sentenceoutline 3. Evaluate sources for credibility 4. Develop an annotated bibliography Important Note: You must complete the individual portion of this assignment in order to receive credit for the group portion. Format: 1. Use APA 6th edition or later for all references 2. Use EndNote as your Bibliographic Manager Note: Information Literacy Tutorials 3 and 4 must be completed prior to the submission of the individual portion. You must post screenshots of your tutorial completion on Blackboard. If you do not submit the screenshot, you will not receive any credit for your individual portion of this assignment. Due date: Refer to Important Dates document or the Schedule (PLE) . A2 -Individual Portion Directions: Search and Annotated Bibliography 1. Conduct in-depth research using journal databases, books and other academic/peerreviewed sources. a. Understand the difference between Keywords and Subject Headings. b. Keep track of the subject headings you used to find your sources i. NOTE: Wikipedia, newspapers and .com’s are not acceptable sources. 2. Create an annotated bibliography for any TWO accepted and any TWO rejected sources . a. Include all accepted sources used in your research in your bibliography. b. Evaluate each source carefully using at a minimum the CRAAP test as discussed in the recitations and any other criteria to help you determine its credibility or lack of it. c. Annotated Bibliography: i. Import your sources using EndNote and add your annotations tothose sources on the Word document. 2 Example: Annotated Bibliography Samples | The Writing Lab & OWL at Purdue ii. Annotations contain a summary, assessment and reflection for each source. 3. Conduct the following searches through the ODU library’s home page. a. Do a Keyword Title search for relevant books for your thesis i. List a minimum of 6 search terms used (put each search combination on a separate line) ii. Write an annotated bibliography for at least ONE book that you accepted or rejected. b. Do TWO Journal Database searches in the ODU library databases for articles relevant to your thesis. Use a subject specific journal database that relates to your topic. i. List the exact name of database, not just EBSCO OR ProQuest ii. Do a Subject Heading search. iii. For subject heading searches, you can employ any “narrow by subject” option (such as the Subject dropdown to the left of the results list inany EBSCO database, or you might find subject headings by clicking on an “indexes” tab or on a link entitled “Thesaurus) iv. List the search terminology used (indicate what words you used tosearch with, and in what combinations, each search listed on a separate line). v. Write an annotated bibliography for TWO (one from eachdatabase) accepted or rejected sources. c. Do a Google Scholar search to find articles relevant to your thesis. Read the information in this link on the advantages and limitations of using Google Scholar: http://guides.lib.odu.edu/content.php?pid=383017&sid=3138706 i. List the most relevant search terminology used ( indicate what words you used to search with, and in what combinations, putting each search on a separate line) ii. Indicate if this source is available as full text directly through Google Scholar. If not, how do you access it through ODU libraries databases ? iii. Write an annotated bibliography for ONE accepted or rejected source. Note: You are required to talk about these justifications during the oral presentations. Full-Sentence Outline: 1. Expand your section in the preliminary outline (from Assignment 1) to create a fullsentence outline, as described in Badke 6th Edition 2. The outline must be in proper APA format: All elements of the outline must be written in complete sentences. 3. Include in-text citations wherever evidence is quoted ● Example: http://owl.english.purdue.edu/owl/resource/544/03/ 3 Microsoft Word Document Requirements: ● Name the document: ● a2-ind-group-##-name.docx ▪ Replace ## with your group’s number ▪ Replace name with your name ● Include a cover page with the following information: ● Your name ● Professor’s name ● CRN ● Group number ● Line spacing: single spaced ● Margins: 1 inch all around ● Font type: Times New Roman (12pt) ● Order of Information: ● Cover page ● Group thesis ▪ Indicate if it has changed and the reason for the change ● Full sentence outline in proper APA format ▪ List the names of your group members against each Level-1 heading including the Rebuttal ● Annotated bibliography – Include your annotations for TWO accepted and TWO rejected sources along with a thorough analysis of each source using the CRAAP test and any other criteria you used to determine its credibility or lack of it. ● Bibliography with a list of all accepted sources you plan to use in your research (you may have more than just the two- for which you wrote annotations) ● All sources must be created in and imported from EndNote. Do not Copy and Pastethe sources. Microsoft PowerPoint Requirements: ● Name the document: ● a2-ind-group-##-name.pptx ● Replace ## with your group’s number ● Replace name with your name ● Slides are well designed, readable, and contain zero errors in punctuation,grammar, capitalization, and spelling. ● Slide contains the student’s name on each slide. ● No more than 5-7 bullet points on each slide. Avoid using paragraphs inyour PowerPoint slides wherever possible ● Order of Information: ● Title slide with the following information ▪ Your name ▪ Professor’s name ▪ CRN ▪ Group number 4 ● Group Thesis statement ● Full-sentence outline. ● Introduction of your portion of the research topic ● Thorough explanation of how you chose the topic, how you narrowed it down throughout the research. What combination of keywords and subjectheadings gave you the best results? ● Contains ONE rejected source and ONE accepted source with a critical review of each. ● Add screenshots of how you evaluated each source for each criterion ofthe CRAAP test and any other criteria you used. 

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PYTHON PROGRAM RELATED TO INFORMATION RETRIEVAL AND WEB SEARCH

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Problem 1  Automatically collect from memphis.edu 10,000 

unique documents. The documents should be proper after converting them to txt 

(>50 valid tokens after saved as text); only collect .html, .txt, and and .pdf 

web files and then convert them to text - make sure you do not keep any of 

the presentation tags such as html tags. You may use third party tools to 

convert the original files to text. Your output should be a set of 10,000 text 

files (not html, txt, or pdf docs) of at least 50 textual tokens each. You must 

write your own code to collect the documents - DO NOT use an existing or third party crawlercrawler.



Store for each proper file the original URL as you will need it later 

when displaying the results to the user.




Problem 2  Preprocess all the files using assignment #4( "python program that preprocesses a 

collection of documents using the recommendations given in the 

Text Operations lecture. The input to the program will be a directory

containing a list of (10000 unique documents)text files collected in above program.  documents must be converted to text before using them.



Remove the following during the preprocessing:

- digits

- punctuation

- stop words (use the generic list available at ...ir-websearch/papers/english.stopwords.txt)

- urls and other html-like strings

- uppercases

- morphological variations).)" This directory should have index terms( inverted 

index of a set of already preprocessed files.Use raw term frequency (tf) in the document without normalizing it. Think about saving the generated index, including the document frequency (df), in a file so that you can retrieve it later) .Save all preprocessed documents in a single directory . 

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2 Discussions 1 Weekly summary and 1 Case Study

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Discussion 6.1

Read the following scenario and provide provide a viable resolution  based on FMLA.

One of your nurses, Betty, displayed signs of depression, such as crying openly at work in front of staff and residents. One of her co-workers even reported to the nursing home’s administrator that Betty was becoming increasingly depressed and being overworked to the point of exhaustion. Betty became ill with diarrhea after her three consecutive shift days and called in sick for two days. On the second day, Betty informed her boss that she was also experiencing vomiting and chest pains, and was going to see her physician. The physician diagnosed Betty with clinical depression, prescribed Prozac, and advised her to take a medical leave of absence from work for two months.

Betty advised her boss that her doctor told her to stay home for two months. Betty did not disclose her clinical diagnosis, did not ask for Family and Medical Leave Act (FMLA) leave, and did not ask for leave as a reasonable accommodation under the Americans with Disabilities Act (ADA). Betty’s boss required her to produce a medical certification from her physician regarding her condition. Betty indicated that her physician was away for the holidays and would not be back for three weeks.

Two weeks later, Betty received a termination letter stating that she was being fired for failing to submit a medical certificate within 15 days of requesting leave. As a result, her leave request was being denied and her failure to come to work was being deemed a voluntary resignation.

This story was brought to your attention as the HR professional after Betty’s termination letter was sent. Now what? Remember that your resolution must be based on FMLA guidelines.

************************

In order to get a full grade, 

1) please make sure that your initial post is at least 150 – 200 words in length

Discussion 6.2

An unhealthy work environment can lower productivity, contribute to low morale, and increase medical and workers’ compensation costs. Consider ways to improve the work environment.

Case Study 6.1 4 Pages

There are two (2) case studies per chapter. You are to respond to one (1) case from Chapter 11 and one (1) case study from Chapter 12.

Chapter 11 – Employee Benefit (Choose one case study)

Case Study 1 – Adobe’s Family-Friendly Benefits: An Unexpected Backlash, pg. 450 and answer the questions

Case Study 2 – Evaluate the Work-Life Climate in Your Company. pg. 451 and answer the questions

Chapter 12 – Promoting Safety and Health (Choose one case study)

Case Study 1 – Rambo Goes Violent, pg. 490 and answer the questions

Case Study 2 – Too Much Fatigue and Stress? You Decide, pg. 491 and answer the questions

Weekly Summary 6.1

Write 2 pages of weekly summary based on the chapter 11 and 12 PPT attached.

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Mobile Apps

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Why Mobile Apps? If potential customers cannot reach your services, they are lost potential customers. Smartphones, tablets, and other nontraditional devices are pervasive in the market. The onus of responsibility is on developers to help customers get a product anywhere. Do competitors offer products or services your organization does not? Is that why they have an app? Is there a market an organization desires to expand into? If an organization is already in that market, can they add any features to an app that will have more draw than their competitors?

  • Why do some organizations think they do not need a mobile presence?
  • Why do organizations need a mobile application?

600-700 words are required in APA Format with at least 2 references. 

Prescribed Text book – Mobile App Development for iOS and Android 

ISBN: 9781943153909

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Embedded Systems ( computer architecture)

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For each of the following examples, determine whether this is an embedded system, explaining why or why not. 

Question 1 

Are programs that understand physics and/or hardware embedded? For example, one that uses finite-element methods to predict fluid flow over airplane wings? 

Question 2

Is the internal microprocessor controlling a disk drive an example of an embedded system?

 
Question 3

 Is an I/O drivers control hardware, so does the presence of an I/O driver imply that the computer executing the driver is embedded? 

Question 4

Is a PDA (Personal Digital Assistant) an embedded system? 

Question 5

Is the microprocessor controlling a cell phone an embedded system? 

Question 6

Is the computer controlling a pacemaker in a person’s chest an embedded computer? 

Question 7

List and briefly define the possible states that define an instruction execution. 

Question 8

List and briefly define two approaches to dealing with multiple interrupts. 

Question 9

Consider two microprocessors having 8- and 16-bit-wide external data buses, respectively. The two processors are identical otherwise and their bus cycles take just as long. 

(a) Suppose all instructions and operands are two bytes long. By what factor do the maximum data transfer rates differ? 

(b) Repeat assuming that half of the operands and instructions are one byte long. 

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I/O Devices

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Assignment Content

  1. Question 1

In virtually all systems that include DMA modules, DMA to main memory is given higher priority than CPU access to main memory. Why? 

Question 2

When a device interrupt occurs, how does the processor determine which device issued the interrupt? 

Question 3

A system is based on an 8-bit microprocessor and has two I/O devices. 

  • The I/O con- trollers for this system use separate control and status registers. 
  • Both devices handle data on a 1-byte-at-a-time basis. 
  • The first device has two status lines and three control lines. 
  • The second device has three status lines and four control lines. 
  • How many 8-bit I/O control module registers do we need for status reading and control of each device? 

    ***Explain your reasoning and show your mathematical calculations on how you derived your answer 

  • Question 4

    A system is based on an 8-bit microprocessor and has two I/O devices. 

  • The I/O con- trollers for this system use separate control and status registers. 
  • Both devices handle data on a 1-byte-at-a-time basis. 
  • The first device has two status lines and three control lines. 
  • The second device has three status lines and four control lines. 
  • What is the total number of needed control module registers given that the first device is an output-only device? 

    ***Explain your reasoning and show your mathematical calculations on how you derived your answer 

  • Question 5

    A system is based on an 8-bit microprocessor and has two I/O devices. 

  • The I/O con- trollers for this system use separate control and status registers. 
  • Both devices handle data on a 1-byte-at-a-time basis. 
  • The first device has two status lines and three control lines. 
  • The second device has three status lines and four control lines. 
  • How many distinct addresses are needed to control the two devices? 

    ***Explain your reasoning and show your mathematical calculations on how you derived your answer 

  • Question 6

    Consider a microprocessor that has a block I/O transfer instruction such as that found on the Z8000. 

  • Following its first execution, such an instruction takes five clock cycles to re-execute.
  •  However, if we employ a nonblocking I/O instruction, it takes a total of 20 clock cycles for fetching and execution. 
  • Calculate the increase in speed with the block I/O instruction when transferring blocks of 128 bytes. 

    **Explain your reasoning and show your mathematical calculations on how you derived your answer 

  • Question 7
  • What is the difference between memory-mapped I/O and isolated I/O? 

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computer architecture FEB 10

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Question 1(10 Points)

What are the advantages of using a glass substrate for a magnetic disk? 

Question 2 (10 Points)

Explain serpentine recording. 

3.Explain the difference between a simple CAV system and a multiple zone recording system. 

4.What differences between a CD and a DVD account for the larger capacity of the 

DVD? 

5.Consider a single-platter disk with the following parameters:

  • Rotation speed: 7200 rpm; 
  • Number of tracks on one side of platter: 30,000
  • Number of sectors per track: 600; 
  • Seek time: one ms for every hundred tracks traversed. 
  • Assumption: Let the disk receive a request to access a random sector on a random track and assume the disk head starts at track 0.

 What is the average seek time? 

***Explain your reasoning and show your mathematical calculations on how you derived your answer 

6.Consider a single-platter disk with the following parameters:

  • Rotation speed: 7200 rpm; 
  • Number of tracks on one side of platter: 30,000
  • Number of sectors per track: 600; 
  • Seek time: one ms for every hundred tracks traversed. 
  • Assumption: Let the disk receive a request to access a random sector on a random track and assume the disk head starts at track 0.

What is the average rotational latency?

***Explain your reasoning and show your mathematical calculations on how you derived your answer 

7.Consider a single-platter disk with the following parameters:

  • Rotation speed: 7200 rpm; 
  • Number of tracks on one side of platter: 30,000
  • Number of sectors per track: 600; 
  • Seek time: one ms for every hundred tracks traversed. 
  • Assumption: Let the disk receive a request to access a random sector on a random track and assume the disk head starts at track 0.

What is the transfer time for a sector?

***Explain your reasoning and show your mathematical calculations on how you derived your answer 

8.Consider a single-platter disk with the following parameters:

  • Rotation speed: 7200 rpm; 
  • Number of tracks on one side of platter: 30,000
  • Number of sectors per track: 600; 
  • Seek time: one ms for every hundred tracks traversed. 
  • Assumption: Let the disk receive a request to access a random sector on a random track and assume the disk head starts at track 0.

What is the total average time to satisfy a request? 

***Explain your reasoning and show your mathematical calculations on how you derived your answer 

9.Consider a magnetic disk drive with 8 surfaces, 512 tracks per surface, and 64 sectors per track. 

  • Sector size = 1 kB. 
  • Average seek time = 8 ms, 
  • Track-to-track access time = 1.5 ms, 
  • Drive rotates at 3600 rpm. 
  • Successive tracks in a cylinder can be read without head movement. 

What is the disk capacity?

**Explain your reasoning and show your mathematical calculations on how you derived your answer 

10.Consider a magnetic disk drive with 8 surfaces, 512 tracks per surface, and 64 sectors per track. 

  • Sector size = 1 kB. 
  • Average seek time = 8 ms, 
  • Track-to-track access time = 1.5 ms, 
  • Drive rotates at 3600 rpm. 
  • Successive tracks in a cylinder can be read without head movement. 
  • What is the average access time?
    **Explain your reasoning and show your mathematical calculations on how you derived your answer  

11. Consider a magnetic disk drive with 8 surfaces, 512 tracks per surface, and 64 sectors per track. 

  • Sector size = 1 kB. 
  • Average seek time = 8 ms, 
  • Track-to-track access time = 1.5 ms, 
  • Drive rotates at 3600 rpm. 
  • Successive tracks in a cylinder can be read without head movement. 

Assume this file is stored in successive sectors & tracks of successive cylinders, starting at sector 0, track 0, of cylinder i. 

Estimate the time required to transfer a 5-MB file.

**Explain your reasoning and show your mathematical calculations on how you derived your answer 

12. Consider a magnetic disk drive with 8 surfaces, 512 tracks per surface, and 64 sectors per track. 

  • Sector size = 1 kB. 
  • Average seek time = 8 ms, 
  • Track-to-track access time = 1.5 ms, 
  • Drive rotates at 3600 rpm. 
  • Successive tracks in a cylinder can be read without head movement. 

What is the burst transfer rate? 

**Explain your reasoning and show your mathematical calculations on how you derived your answer 

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Week 8

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Business case:  Bule Hills Water Authority

Water systems are important for the health and stability of the nation. Bule Hills Water Authority is the local one. Blue Hills Water Distribution Management System (DMS) has been used to monitor and control the water distribution system. DMS systems collect data from sensors and other devices in the distribution system, such as pressure gauges and flow meters. This data is used to identify and locate leaks, monitor water pressure, and optimize water distribution.

QUESTION 1: Draw the block diagram for the Embedded system that you would propose to improve the Blue Hills Water DMS.  Your diagram must have the memory, sensors, actuators, human interface, analog  digital converters and processor. You name must be on the diagram.

QUESTION 2: You are going to propose a solution for how the Develop the Embedded OS for the proposed Embedded for Blue Hills Water DMS  in question 1. Would you prefer to take an existing OS and adapt it or design and implement a customized/ tailored OS for the New Embedded Blue Hills Water DMS?  Explain your solution with Advantages and disadvantages. 

QUESTION 3: Blue Hills   Water Authority decided to use Smart Water Meters on customer premises. They ask you to use Purpose-Built Embedded OS for these devices. Your OS will provide the following.

  • operate with limited resources.
  • adapt to hardware evolution.
  • support a wide range of applications.
  • support a diverse set of platforms be robust.

What kind of Embedded OS you would recommend?  Explain your solution.

QUESTION 4:  Blue Hills Water managers would like to reduce IT operating costs, increase productivity, and simplify data center management. So, they would like to have one physical hardware that can run multiple OS and applications for the Water Distribution Management System. They would like to run multiple operating systems on a single computer.  What is your solution for this request?

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