You have just been employed by DASAD Company Limited as a systems analyst. You received a systems request from the Finance Department. The Finance manager wants the request to be granted as soon as possible. She says to you "We cannot afford any delays. This systems development life cycle stuff takes too long. We really know what we want. Just get to work and show as that you are competent. " She suggests that the IT department bypass the initial steps for any Finance department request and immediately get to work at the solution.


a. Discuss what you would say to her. (10 marks)


b. Describe the approach you would recommend to the company so that the system can be developed in a short time? Explain the reasons for your choice. (5 marks)


c. Recommend a system changeover method for DASAD Company limited. Give reasons for your recommendation. (5 marks)

To assign the location for zip code 90028 to the variable `location` using the given `zip_dictionary`, you can use the following code:
location = zip_dictionary[90028]

This code retrieves the value associated with the key `90028` from the `zip_dictionary` and assigns it to the variable `location`. This code makes use of the .get() method in Python dictionaries. The .get() method takes a key (in this case, the integer 90028 representing the zip code) and returns the corresponding value (in this case, the string representing the location) from the dictionary. If the key is not found in the dictionary, the .get() method returns None by default. So in this case, location will be assigned the string corresponding to the zip code 90028 if it exists in the zip_dictionary, or None if it doesn't.

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When a single thread with 12 threads per inch is turned two complete revolutions, it advances into the nut a distance of approximately 0.1666 inches.

Explanation:

First, let's define some terms. A thread is a helical ridge that is formed on the outside of a screw or bolt, and a nut is a device that is used to secure a threaded fastener. The number of threads per inch is a measure of how many complete threads are present in one inch of length.

The pitch of a thread is defined as the distance between two adjacent threads, measured along the axis of the screw or bolt. It is equal to the reciprocal of the number of threads per inch, so the formula for calculating pitch is:

pitch = 1 / number of threads per inch

In this case, we are told that the thread has 12 threads per inch, so the pitch is:

pitch = 1 / 12

pitch = 0.0833 inches

Now, we need to determine how far the thread will advance into the nut when it is turned two complete revolutions. Since one complete revolution of the thread advances it into the nut by one pitch, two complete revolutions will advance it into the nut by two pitches. Therefore, the distance advanced is:

distance advanced = 2 x pitch

distance advanced = 2 x 0.0833

distance advanced = 0.1666 inches

So, when a single thread with 12 threads per inch is turned two complete revolutions, it advances into the nut a distance of approximately 0.1666 inches.

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Native apps have advantages over HTML5 web apps in terms of performance, offline capabilities, and user experience.

Native apps are developed for specific platforms like iOS or Android, and they can access the device's hardware and software directly. This allows them to perform much better than HTML5 web apps, which are essentially websites running on a browser.

Native apps can also work offline, which is a big advantage over web apps that require an internet connection. Additionally, native apps can provide a better user experience as they can be optimized for the platform they are developed on.

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The choices that society must take are;

As technology advances, societies must confront the issue of balancing individual rights with the need for security. Monitoring movements and communications can potentially infringe on an individual's right to privacy, but it can also be necessary for preventing crimes and ensuring public safety.

To make informed decisions about this issue, societies must consider the potential benefits and drawbacks of surveillance. On one hand, surveillance can help prevent terrorist attacks, solve crimes, and improve public safety.

On the other hand, it can create a chilling effect on free speech, lead to the abuse of power, and erode trust between the government and its citizens.

Ultimately, the choices societies make about surveillance will depend on their values and priorities. It is important to ensure that any surveillance measures put in place are transparent, accountable, and subject to appropriate oversight to prevent abuses of power and protect individual rights.

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Answer: The answer you are looking for is a network.

Explanation: Let’s see why. A router is a device that directs incoming and out coming net traffic to the next appropriate routing point.
A personal computer is a personal computing device that enables you to interact with and use programs or applications in the digital world.

A network is when several computers are connected using a specific type of infrastructure so that they can share resources, “talk” and see each other.

A server is a computing unit which use is to provide resources a client might ask for. An example of that is you using your computer (client) and open a site in the browser, here the site’s server is sending the sites data to your browser so you can see it.
Hope that makes it a bit clearer.

A group of computers that share resources is called a network. A network allows computers to communicate with one another and share resources like files, printers, and internet connections. In a network, various devices such as routers, personal computers, servers, and other peripherals can play essential roles.

A router is a device that helps connect multiple computers in a network, directing traffic and ensuring data reaches the correct destination. Personal computers are individual devices used by people for a wide range of tasks, and they can connect to a network to access shared resources. A server is a powerful computer that stores and manages data, applications, and services used by the network's connected devices.

In summary, a network is a term used to describe a group of computers that share resources, while routers, personal computers, and servers are components of the network that play different roles in facilitating communication and resource sharing.

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Hi there! Implementing SAP can indeed reduce errors, but it's not foolproof. Wally, Sue, and Ann can still make various types of input errors.

1)Wally might make data entry mistakes, such as transposing numbers or entering incorrect information. A particularly harmful error would be inputting wrong financial figures, leading to inaccurate financial reports. To prevent this, implementing data validation checks and training Wally to double-check his entries can be beneficial.

2)Sue may make errors in setting up configurations or customizing SAP to fit the company's needs. A damaging mistake could be misconfiguring access controls, allowing unauthorized users to access sensitive data. To mitigate this risk, Sue should follow best practices in SAP configuration, perform regular audits, and ensure proper segregation of duties.

3)Ann might commit errors in entering incorrect master data, which affects multiple transactions and processes. For example, an error in customer or vendor master data could lead to billing issues or delayed payments. To avoid such mistakes, Ann should be trained on the importance of accurate master data entry, and the company should implement a periodic review process to catch any discrepancies.

4)In summary, errors after SAP implementation can be reduced by implementing data validation checks, following best practices in configuration, and maintaining accurate master data. Regular training and reviews of the system will further help prevent harmful mistakes.

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Teleconferencing allows workers from around the world to connect and collaborate in real time without the need for physical travel.

Teleconferencing

This technology enables remote workers to attend meetings, share ideas, and participate in discussions as if they were in the same room. With teleconferencing, teams can stay connected and work efficiently regardless of their location, which ultimately leads to increased productivity and cost savings for businesses. Teleconferencing allows workers from around the world to collaborate and communicate effectively with each other in real time. This technology enables participants to exchange information, share documents, and conduct meetings without the need for physical presence, thus saving time and resources.

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To create a line of increasing blocks with the numbers 4, 1, and 5, we can use loops in CodeHS. One way to approach this problem is to use a for loop to iterate over each number in the sequence, and then use another for loop nested inside to create the block structure. Here is one possible solution:

```python
# Set up the sequence of numbers
numbers = [4, 1, 5]

# Iterate over each number in the sequence
for num in numbers:
   # Use another loop to create the block structure
   for i in range(num):
       print("#" * num)
   # Print a blank line between each block
   print()
```

This code will output three blocks, one for each number in the sequence, with each block consisting of rows of "#" symbols equal to the value of the current number. For example, the first block will have four rows of "####", the second block will have one row of "#", and the third block will have five rows of "#####".

To modify this code for different sequences of numbers, simply change the values in the `numbers` list to whatever you like. You can also adjust the size of the blocks by changing the loop that creates the "#" symbols - for example, you could add another nested loop to create columns as well as rows, or you could use a different symbol or character to create a different kind of block.

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To extend the single cycle datapath in the given figure to implement the cbnz instruction, we would need to introduce an additional MUX after the ALU.

This MUX would select the next PC value based on the result of the ALU. Specifically, if the result of the ALU is not zero, the MUX would select the target address (obtained from the instruction) as the next PC value.

Otherwise, the MUX would select the incremented value of the current PC as the next PC value. This would allow the program to branch to the target address if the register is not zero.

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An alpha channel and masking color can control image transparency by allowing users to selectively adjust the opacity of specific areas within an image.

Alpha channels and masking colors are tools that can be used to control the transparency of specific areas within an image. By assigning different levels of opacity to these areas, users can create layered and complex images that allow certain elements to show through while others remain hidden.

Alpha channels are essentially grayscale channels that store transparency data for an image. By creating a mask based on the alpha channel, users can selectively adjust the transparency of different areas within an image. Masking colors work in a similar way, but use specific colors to indicate areas that should be transparent or opaque.

Using these tools can help to create images that are more visually interesting and dynamic, while also allowing users to fine-tune the appearance of their designs.

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The correct statement is: infrastructure-as-a-service (IaaS) is one type of cloud computing service where users pay only for the computing capacity they actually use.

IaaS provides users with a cloud-based platform for software development and deployment, allowing them to easily scale up or down their computing resources according to their needs. It typically includes virtualized computing resources such as servers, storage, and networking infrastructure that can be managed and accessed remotely. However, it does not provide software applications to users on demand or a service-oriented architecture for their systems, as those are features of other cloud computing services such as software-as-a-service (SaaS) and platform-as-a-service (PaaS), respectively.

To set the user as admin and the group as IT for the directory named /infrastructure and all of its contents, you will need to use the command "chown" which stands for "change ownership". This command allows you to change the ownership of a file or directory to a specific user and group.

To set the user as admin and the group as IT, you will need to use the following command:
sudo chown -R admin:IT /infrastructure
The "-R" flag is used to apply the changes recursive to all subdirectories and files within the /infrastructure directory.
The "sudo" command is used to run the chown command with root privileges, which is necessary to change ownership of system files or directories.
Once the command is executed successfully, the ownership of the directory and all of its contents will be changed to admin as the user and IT as the group. This means that only the user with admin privileges and members of the IT group will have access to the directory and its contents.
In summary, the command to set admin as the user and IT as the group for a directory named /infrastructure and all of its contents is:
sudo chown -R admin:IT /infrastructure

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One aspect of system reliability that is not a source of concern about a public cloud is efficiency i.e., Option B is the correct answer.

Public cloud providers are designed to provide efficient and scalable computing resources that can be quickly provisioned and de-provisioned as needed. This is achieved through the use of virtualization technology and cloud management tools that allow cloud providers to efficiently allocate computing resources to different users and applications.

Public clouds are built on a shared infrastructure that is designed to provide high availability and fault tolerance to prevent system downtime and data loss. Public cloud providers use redundant hardware, power, and cooling systems, and network connectivity to ensure that services are always available to users. In addition, public cloud providers typically offer service level agreements (SLAs) that guarantee a certain level of availability and uptime for their services.

While public clouds are built to provide efficient and reliable computing resources, there are still some concerns about privacy and confidentiality. Users of public cloud services must trust the cloud provider to protect their sensitive data and prevent unauthorized access. As such, cloud providers need to implement strong security controls and data protection measures to ensure that user data is secure at all times.

Therefore, Option B. Efficiency is the correct answer.

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You can create a functional spreadsheet for users to input boundary temperatures, apply Laplace's equation, and visualize the resulting data through a surface plot with labeled axes.

Explanation:

Create a spreadsheet using Excel to input boundary temperatures, apply Laplace's equation, and generate a surface plot with labeled axes.

1. Open Microsoft Excel and create a new 20x20 grid.
2. Set the boundaries by allowing users to input temperatures for the four edges and the center portion of the grid. To do this, you can create separate cells for the input values and use conditional formatting to highlight the boundary cells.
3. Apply Laplace's equation to calculate the values for the non specified interior cells. In Excel, you can do this using a formula to find the average of the surrounding cells. For example, if cell B2 is an interior cell, the formula would be: =(A1+A3+C1+C3)/4.
4. Copy and paste the formula for all non specified interior cells of the grid.
5. To create a surface plot, select the entire grid and click on 'Insert' > 'Charts' > 'Surface.' Choose the desired surface chart type, such as a 3D surface chart.
6. Adjust the rotation for a nice view by right-clicking the chart, selecting '3D Rotation,' and adjusting the X and Y rotation angles.
7. Label the axes by clicking on the chart and selecting the 'Add Chart Element' option from the 'Design' tab. Choose 'Axis Titles' and enter the appropriate labels for each axis.
8. Finally, display the boundary numbers by including the input values in your axis labels, or add data labels to the surface plot for a clear visualization.

By following these steps, you can create a functional spreadsheet for users to input boundary temperatures, apply Laplace's equation, and visualize the resulting data through a surface plot with labeled axes.

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To address the employees of a hospital about the new, extensive building security access system, you would use an opening that highlights the importance of security and access control in the hospital setting.

"Dear hospital employees, we are excited to introduce our new, extensive building security access system, designed to enhance the safety and security of our staff, patients, and visitors. This state-of-the-art system will streamline entry and exit points while ensuring that only authorized personnel have access to restricted areas. We believe that this advanced security measure will greatly improve our hospital's overall safety and contribute to a better working environment for all."

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To calculate the average of all the numbers stored in the "numbers.txt" file, you can use a loop to read the file and store the integers in a list. Then, you can use another loop to calculate the sum of all the integers in the list. Finally, divide the sum by the total number of integers in the list to get the average. Here's some sample code in Python:

code implementation:

```
# Open the file and read the integers into a list
with open("numbers.txt") as f:
   numbers = [int(line.strip()) for line in f]

# Calculate the sum of all the integers in the list
total = 0
for num in numbers:
   total += num

# Calculate the average
average = total / len(numbers)

# Print the result
print("The average of the numbers in the file is:", average)
```

In this code, the `with open("numbers.txt") as f:` statement opens the file and creates a file object `f` that we can use to read the file. The `numbers = [int(line.strip()) for line in f]` line uses a list comprehension to read each line of the file, strip any whitespace characters, and convert the resulting string to an integer using the `int()` function. This creates a list of integers called `numbers`.

The `for num in numbers:` loop then iterates over the `numbers` list and adds each integer to the `total` variable. Finally, we divide the `total` by the length of the `numbers` list using the `len()` function to get the average, which is stored in the `average` variable.

We then print the result using the `print()` function, which displays the message "The average of the numbers in the file is:" followed by the value of the `average` variable.

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Assuming that Marsha has not made any changes to the default settings, the other folder that should be visible to her by default in the One Drive node of File Explorer is the "Pictures" folder.

When a user signs in to a new Windows 10 device with their Microsoft account, One Drive is automatically set up and configured to sync files and folders between the device and their One Drive cloud storage. By default, the Documents and Pictures folders are set to sync with One Drive, so both folders should be visible in the One Drive node of File Explorer.

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A logon script is a set of commands stored in a file that are executed when a user logs on to a Windows domain.

Logon scripts are used by system administrators to automate tasks, such as mapping network drives, connecting to printers, or setting environment variables, for users when they log on to a Windows domain. These scripts are usually written in a scripting language like PowerShell, VBScript, or Batch and are executed automatically by the system when the user logs on.

In summary, a logon script is a helpful tool for system administrators to streamline user settings and configurations when they access a Windows domain, making the user experience more efficient and consistent.

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Answer: HERTZ or HZ is a unit of measurement for sound

Explanation:

HZ is the wavelength of a wave, usually sound. the faster the wavelength the higher the pitch. no clue why your computer is using it to update though

An example program in Python that meets the requirements you specified is given below.

import random

import statistics

# Create an empty list to hold the test scores

scores = []

# Populate the list with random scores between 55 and 99

for i in range(200):

   score = random.randint(55, 99)

   scores.append(score)

# Sort the scores in ascending order

scores.sort()

# Print the scores in rows of 10

for i in range(0, len(scores), 10):

   print(scores[i:i+10])

# Calculate the mean, variance, and median of the scores

mean = statistics.mean(scores)

variance = statistics.variance(scores)

median = statistics.median(scores)

# Print the results

print("Mean:", mean)

print("Variance:", variance)

print("Median:", median)

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The UDP heartbeat is an application that checks if a client-side application is operational and reports one-way packet loss. It involves sending a continuous heartbeat message in a UDP packet from the client to the server.

The UDP heartbeat is similar to UDP ping, but instead of checking the connection between two devices, it checks if an application is running on the client-side. The client sends a continuous UDP packet to the server, which monitors the packet's arrival time and reports any packet loss.

If the packets are missing for a specified time interval, the server assumes that the client application has stopped working. To implement the UDP heartbeat, the udppingserver.py and udppingclient.py scripts can be modified to continuously send and receive UDP packets between the client and server.

The server can then use the received packets to monitor the heartbeat of the client and report any application failure.

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To obtain an angle of view that matches Ross's natural sight perception, a lens with the same focal length as the human eye is recommended.

The accepted norm for this is 50mm in full-frame equivalent, which renders a standard or normal lens.

A prime lens or kit lens with a similar focal length, approximately 50mm, is well-suited when aiming to achieve a realistic perspective in accordance with human eyesight.

This choice will lead to capturing images that appear very much like those objects and scenes viewed by Ross with his own eyes.

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Given the parameters of the transformer, the secondary current of the transformer is 0.5A, while the primary current is 50mA.

First, we need to determine the turns ratio of the transformer. This can be found by dividing the number of turns in the secondary winding (which is not given in the question) by the number of turns in the primary winding:

Turns ratio = Ns/N

where Ns is the number of turns in the secondary winding and Np is the number of turns in the primary winding.

Since we know that the transformer operates at 100% efficiency, we can assume that the power output from the secondary winding is equal to the power input to the primary winding. Therefore, we can use the power equation to relate the primary and secondary currents:

P = VI

where P is the power, V is the voltage, and I is the current.

For the secondary winding, we know that the voltage is 12V and the power is 6W. Therefore, the secondary current is:

Isec = P/V = 6W/12V = 0.5A

To find the primary current, we need to take into account the turn ratio. Since the transformer is stepping down the voltage from 120V to 12V, the turns ratio is:

Turns ratio = Ns/Np = 120/12 = 10

Therefore, the primary current is:

Iprim = Isec/Turns ratio = 0.5A/10 = 0.05A or 50mA

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The drink cost, pizza cost, drink quantity, and pizza quantity, you can compute the total cost and assign it to the variable totalcost.

Here's the JavaScript code:
javascript
let drinkCost = 4;
let pizzaCost = 8;
let drinkQuantity = 2;
let pizzaQuantity = 3;
let totalCost = 0;

totalCost = (drinkCost * drinkQuantity) + (pizzaCost * pizzaQuantity);

console.log("Total cost:", totalCost);

In this example, 2 drinks and 3 pizzas yield a total cost of 32 dollars.

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It should be noted that to use the law of supply and demand to get a good price for an item, you need to understand how these two economic forces work together.

The law of supply states that as the price of a good or service increases, the quantity supplied of that good or service will also increase, ceteris paribus

On the other hand, the law of demand states that as the price of a good or service increases, the quantity demanded of that good or service will decrease, ceteris paribus.

In order tp get a good price for an item, you need to identify the equilibrium price, which is the price at which the quantity demanded equals the quantity supplied.

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Examples of common errors when working with functions in C++ include using variables outside of their scope, naming conflicts between variables and parameters, and not properly passing arguments to functions.

In Example 1, the task is to define a function that takes an argument. The code that is passed into the function during the function call is the argument, and the code defined in the function header that receives the argument is the parameter.

In Example 2, the function from Example 1 is called three times with different kinds of arguments - a value, a variable, and an expression.

The argument passed as a value is a literal or constant, the argument passed as a variable is an existing variable, and the argument passed as an expression is a combination of literals, variables, and operators.

In Example 3, a function with a local variable is created. When this variable is used outside the function, a compilation error occurs because the variable only exists within the function's scope.

In Example 4, a function is created with a parameter that has a unique name. When attempting to use this parameter name outside the function, a compilation error occurs because the name only exists within the function's scope.

In Example 5, when a variable is defined outside a function with the same name as a local variable inside the function, the local variable takes precedence within the function's scope.

The value of the global variable remains unchanged while the local variable is in use, and the global variable can only be accessed once the local variable goes out of scope.

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AutoCAD uses a proprietary file format. It's advisable to convert your file into a more universal format such as PDF or DWG that can be accessed even by those who do not have CAD.

The proprietary file format used by AutoCAD is called DWG, which stands for drawing. This format is optimized for storing CAD drawings and contains a variety of information about the drawing, including geometry, object properties, layers, and annotations. While DWG files can be opened and edited in AutoCAD and other CAD software that supports the format, they may not be accessible to individuals who do not have access to such software.

To make your CAD drawings more accessible, it is recommended to convert them to a more universal format such as PDF, DWF, or DXF. PDF, or Portable Document Format, is a popular format for sharing documents and can be easily opened and viewed using a variety of software, including web browsers and Adobe Acrobat Reader. DWF, or Design Web Format, is a vector-based format optimized for CAD drawings and can be opened using Autodesk's Design Review software. DXF, or Drawing Exchange Format, is another universal format for CAD drawings that can be opened using a variety of software, including AutoCAD.

By converting your AutoCAD files to a more universal format, you can make them more accessible to a wider audience and ensure that they can be opened and viewed using a variety of software. This can be particularly useful when sharing drawings with individuals who do not have access to CAD software or who may not be familiar with the DWG format.

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Four complications that multinational corporations must address in planning, building, and operating their ERP systems are: 1) Language and cultural barriers, 2) Legal and regulatory compliance, 3) System integration, and 4) Time zone management.

Multinational corporations face language and cultural barriers, requiring ERP systems to support multiple languages and adapt to different business cultures. Legal and regulatory compliance is crucial due to varying laws and regulations across countries, affecting areas like data privacy and taxation. System integration is necessary for unifying multiple existing systems, ensuring smooth communication and data exchange between them. Time zone management is vital for coordinating business processes and reporting in real-time across different time zones.

Addressing these four complications ensures a seamless and efficient ERP system operation in multinational corporations, facilitating global business expansion and process optimization.

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Austin, Texas is no stranger to severe weather, such as hurricanes, tornadoes, and snowstorms. Some of Austin's most powerful storms include

* storm Carla (1961): On September 11, 1961, a Category 4 storm made landfall in Port O'Connor, Texas. The storm dumped torrential rains and caused floods in Austin, causing significant damage and power disruptions.

* Tornado outbreak (1981): On Memorial Day weekend in 1981, a tornado outbreak occurred, resulting in six tornadoes in the Austin region. The most powerful tornado was an F4 tornado that devastated Georgetown, killing 11 people and injured over 100 others.

* Ice storm (2021): In January 2021, a significant ice storm hit the Austin region, causing extensive power disruptions and destruction. The storm also caused several road accidents and deaths.

*snowfall (2023): In February 2023, a severe snowfall hit the Austin region, dumping several inches of snow on the city. The storm disrupted transport and caused power outages throughout the region.

These are just a few of Austin's most powerful storms. Mr. Morrison is correct in predicting that Austin will face storms in the future. Residents must be prepared for severe storms and have a strategy in place in case they materialize.

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The Friend class has fields for name, cell phone number, and gender, as well as constructors and accessors/setters; the testFriend driver class has methods to fill an array of Friend objects.

The task requires designing a Friend class with specific data fields and methods, as well as a testFriend driver class to test the Friend class.

The Friend class has a default constructor and a parameterized constructor, accessors and set methods for data fields, and a toString() method.

The testFriend driver class has an array that can hold up to 15 Friend objects, and methods to fill the array with user input, display the array, sort the array, and find a specific friend in the array.

Overall, this task tests the understanding of object-oriented programming concepts, including constructors, data fields, and methods, as well as the ability to implement these concepts in Java.

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