I have mentioned several times that you will be doing a team project this semest

I have mentioned several times that you will be doing a team project this semester…lots to do in the project and lots to manage…
You have all worked on team projects in the past…and some of you (okay, most of you…okay, all of you) have expressed concerns over doing a team projects…and you have talked about the many issues and problems that go along with a team project…
But we won’t let that happen this semester!…because this semester, we have the choice of managing the project as with waterfall or agile…
For this assignment, given what we have discussed about waterfall and agile development, tell me which process do you think would work better in school projects – agile or waterfall?…explain why you think one will work better, and why you think the other will not work as well…be VERY SPECIFIC regarding SPECIFIC class projects and SPECIFIC class project tasks, and how they line up to either agile or waterfall processes…use your past experience with group projects as a reference…
DO NOT GIVE ME DEFINITIONS…
Again, when you have completed this, you should have 1 to 2 pages…if you have any questions about anything, just let me know…

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Question 1 Application of Amdahl’s Law: Answer the following two questions and s

Question 1
Application of Amdahl’s Law:
Answer the following two questions and show your work:
What is the overall speedup if you make 15% of a program 85 times faster?
What is the overall speedup if you make 85% of a program 15 times faster 
Question 2
Consider a dynamic RAM that must be given a refresh cycle 64 times per ms. Each refresh operation requires 150 ns; a memory cycle requires 250 ns. 
What percentage of the memory’s total operating time must be given to refreshes? Explain your answer and show your calculations.
Question 3
List and briefly define three newer nonvolatile solid-state memory technologies.
Question 4
What is the difference between DRAM and SRAM in terms of application? What is the difference between DRAM and SRAM in terms of characteristics such as speed, size, and cost? 

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   Choose an Alert closely related to the weekly topic and write a concise summa

  
Choose an Alert closely related to the weekly topic and write a concise summary using the template.
Assignment Directions: 
 The US Government Cybersecurity & Infrastructure Security Agency (CISA) provides timely notification to critical infrastructure owners and operators concerning threats to critical infrastructure networks. Each week, review the National Cyber Awareness System website.   
 Choose a topic closely related to our weekly material and write a concise summary using the organizational template and example

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Assignment Content Question 1 In virtually all systems that include DMA module

Assignment Content
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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Assignment Content STOP!  Have you watched the two, past assigned, short video

Assignment Content
STOP!  Have you watched the two, past assigned, short videos on APA 7 Title Page and References Page? If not, you must do that first, because this submission requires both. 
In class today, you were asked to find your first research article that explores your approved research question. (DO NOT ATTEMPT THIS ASSIGNMENT UNLESS YOU HAVE COMPLETED THE PREVIOUS ASSIGNMENT and gained approval: Brainstorming and Research Question.)
For this assignment, I want you to create a single, APA 7-compliant, Word document. To earn full credit, you must do the following:

Page 1 = 20 pts: Proper APA 7 Title Page (watch the video and see p. 31 in the Foundations text to help you create a perfect title page)
Page 2 = 60 pts (breakdown below): Simply answer the following questions
(1) What is your approved research question from the Brainstorming Research Question HW assignment? (5 pts) 
(2) What is the title of the research article you found? (5 pts)
(3) Does the article contain the methodology the researchers used to conduct the study/research? To get full credit, you must (a) name the methodology, (b) cut and paste the paragraph from the article that details the methodology, AND (c) highlight indicator words. (30 pts)
(4) Does the article contain findings or results of the research? To get full credit, you must (a) cut and paste excerpts from the article that detail the findings (go to Discussion section or at times Conclusion), AND (b) highlight specific words that detail the findings. (20 pts)
Page 3 = 20 pts: Create a proper APA 7 References Page with your ONE research article (refer to the video and see pp. 33-34 for the FORMAT you must use to create your reference and p. 32 for a perfect sample of what a References Page looks like.)

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Business Case: Local Hospital’s data center Companies spend billions on security

Business Case: Local Hospital’s data center
Companies spend billions on security each year, yet why is this still an issue? It’s almost 2019 and still, most applications are horribly insecure and security best practices are not followed. Applications are designed for functionality, not security because security is seen as difficult and time-consuming, often blamed for adding delays to product launches and revenue-generating activities. Assume; you are an IT manager at the regional Hospital and answer the following questions.
Where the Local Hospital’s parameters are:  600 patients a day, and 250 full-time employees. The hospital has a data cent with all IT assets (Databases, Servers, Data storage, Network devices) to support the Hospital’s Business operations. 
Source: https://xypro.com/enterprise-identity-access-management/risk-management-in-the-real-world-today-tomorrow-and-beyond/Links to an external site.Links to an external site.
QUESTION 1: There is a need for a new posture for cybersecurity in a networked world where your hospital is part of it.  What are principles used by some of the world’s leading cybersecurity teams at global companies to archive this goal?
How can you adapt the principles for your hospital case?
Resource: https://www.mckinsey.com/~/media/McKinsey/McKinsey%20Solutions/Cyber%20Solutions/Perspectives%20on%20transforming%20cybersecurity/Transforming%20cybersecurity_March2019.ashxLinks to an external site.Links to an external site.
QUESTION 2: Companies should assess threats and develop controls for the most critical assets.
If the threats against tour Hospital IT System are 
Manipulation of software
Unauthorized installation of software
Misuse of information systems
Denial of service
What would be controls that you should apply to mitigate above listed risks?
Resurce : https://www.mckinsey.com/~/media/McKinsey/McKinsey%20Solutions/Cyber%20Solutions/Perspectives%20on%20transforming%20cybersecurity/Transforming%20cybersecurity_March2019.ashxLinks to an external site.Links to an external site.
QUESTION 3: As an IT manager, you were tasked to develop an information security and risk management (ISRM) strategy which requires a multiphase approach. What are the phases that would should follow to provide recognizable results and value to the Hospital?  
Resources: https://www.isaca.org/resources/isaca-journal/past-issues/2010/developing-an-information-security-and-risk-management-strategy

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