List of nouns and categories:
Checkout: domain class
Item: domain class
Cashier: domain class
Retailing management system: domain class
Running total: attribute
Purchase: attribute
Payment: domain class
Cash: input/output
Credit card: input/output
Card information: attribute
Validation: input/output
Payment amount: attribute
Change: output
Receipt: output
Domain Model Class Diagram:
+------------------+ +--------------+
| Checkout | | Item |
+------------------+ +--------------+
| | <------> | |
| - purchase | | - name |
| - payment | | - price |
| | | |
+------------------+ +--------------+
^ ^
| |
+----------------+ +-------------------------+
| Retailing | | Payment |
| management | +-------------------------+
| system | | - paymentMethod: String |
| | <-----> | - cardNumber: int |
| | | - cardName: string |
| | | - amount: double |
+----------------+ +-------------------------+
^
|
+-----------------+
| Cashier |
+-----------------+
| |
| - checkout() |
| - recordItem() |
| - makePayment() |
| - printReceipt()|
+-----------------+
In this diagram, there is a many-to-many relationship between Checkout and Item, indicating that one checkout can have multiple items and one item can appear in multiple checkouts. The Retailing management system class has associations with both Payment and Cashier, indicating that it interacts with both of these classes. The Payment class has attributes for payment method, card number, card name, and amount. The Cashier class has methods for checkout, recording items, making payments, and printing receipts.
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Which statement best describes a computer program?
A. A program can only perform one simple task.
B. A program is a sequence of instructions and decisions that the computer carries out.
C. A program can decide what task it is to perform.
D. A program is a sequence of comments.
Answer:
B is the best answer.
Explanation:
All other options listed are related to a program but B beast answers the question.
Is there any router that you can just buy that provides a internet service and don't have to pay for monthly subscriptions?
There is no router that provides a internet service to end users without them having to pay for monthly or yearly subscriptions.
What is a router?A router can be defined as a network device (node) that is designed and developed to connect two (2) different computer networks together, in order to allow them communicate by forwarding and receiving packets.
What is wi-fi?Wi-Fi can be defined as a wireless network technology that is designed and developed to avail end users and network devices such as computer systems, mobile devices, router and switches, to communicate with one another over the Internet or through an active network connection.
In conclusion, there is no router that provides a internet service to end users without them having to pay for monthly or yearly subscriptions because this is the fee charged by an internet service provider (ISP) for data plans.
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Question 2 (Show your steps, not only the final results.) According to the PMF table in Question 1, a bag is considered underqualified if it weights less than 47(<47). Randomly select three packages. What is the probability that at least one is underqualified ( 2 points)?
To calculate the probability of at least one underqualified package out of three randomly selected packages, we need to consider the complement rule. This rule states that the probability of an event occurring is equal to 1 minus the probability of the event not occurring. We will calculate the probability of none of the packages being underqualified and then subtract it from 1 to obtain the desired probability.
To calculate the probability of none of the packages being underqualified, we need to find the probability that each package weighs 47 or more. According to the PMF table in Question 1, the probability of a package weighing 47 or more is 0.67. Since the selection of each package is independent, we can multiply these probabilities together to obtain the probability of none of the packages being underqualified:
P(None underqualified) = 0.67 * 0.67 * 0.67 = 0.300763.
Next, we calculate the probability of at least one package being underqualified by subtracting the probability of none of the packages being underqualified from 1:
P(At least one underqualified) = 1 - P(None underqualified) = 1 - 0.300763 = 0.699237.
Therefore, the probability that at least one package out of three randomly selected packages is underqualified is approximately 0.699 or 69.9%.
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how to find radius of the base examples
Answer:radius is half the diameter
Explanation:
A possible consequence of oversharing online might be:
A. receiving a great recommendation from a teacher.
B. getting accepted to the college of your choice.
C. stealing information from friends you do not trust.
D. being incriminated against or fired by an employer.
Answer:
D
Explanation:
A & B are not consequences
C is a consequence but not directed towards you but your friends
Semiconductors are only somewhat conductive electronic components.
True or False?
Answer:
True
Explanation:
A semi conductor can be defined as a material , a component or a substance that has the ability to conduct or transmit electricity partially.
This is because their ability to conduct electricity or to be conductive occurs between a conductor and an insulator.
Examples include silicon, carbon, germanium, e.t.c.
Semiconductors help to control and regulate the rate at which electricity is conducted or transmitted.
Therefore, semiconductors are only somewhat conductive electronic components.
Checks or safety procedures are put in place to protect the integrity of the system is referred to as?
answer:
system controls
you manage a network that has multiple internal subnets. you connect a workstation to the 192.168.1.0 subnet using the default subnet mask. this workstation can communicate with some hosts on the private network, but not with other hosts. you run ipconfig /all and see the following:
The cause of the problem will be Incorrect default gateway.
A TCP/IP computer cannot communicate with external networks, but it can communicate with the systems on the LAN (as no router is required) if its configuration does not include a default gateway address.
Click the Start button, then choose Command Prompt from the context menu. Step 2: Type "ipconfig" into the Command Prompt window and hit [Enter]. The numbers listed in the Default Gateway section are the IP Address of your router.
30 seconds after unplugging the router, connect it back in. Reconnecting to the internet may take some time. Before continuing, get in touch with your Internet Service Provider if you're still having trouble connecting to the internet. Transfer the Ethernet connection from the Internet Gateway to another router port.
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The complete question is ''You manage a network that has multiple internal subnets. You connect a workstation to the 192.168.1.0/24 subnet.
This workstation can communicate with some hosts on the private network, but not with other hosts. you run ifconfig /all and see the following.
Ethernet adapter Local Area Connection : Connection- specific DNS Suffix . : mydomain . local Description . .Broadcom network adapter
Physical Address . : 00 - AA-BB-CC-74-EF
DHCP Enabled . . . . . . . No
Autoconfiguration Enabled . Yes
IPv4 Address 192 . 168 . 1 . 102(Preferred)
Subnet Mask . 255 . 255 . 255 . 0
Default Gateway : 192 . 168 .2.1
DNS Servers . . 192 . 168 . 2 . 20
What is the most likely cause of the problem?
Positives and negatives side effects of government the stimulus check
Help pls☹️
Answer:
Stımulus check ıs the check offered to cıtızens of America inorder to help them to meet thier needs at that particular point in time. This is done, if there is an unforseen circumstances that made them not to earn an income.
Some of the postitves of stimulus check include:
1. Ability of the citizens to pay for their rent and other bills.
2. Ability to do some shopping and feeding
3. It create the sense of recognition among the citizens that the government always remember them in their moment of their needs.
4. To let the working class people know that their tax payment is used judiciously in helping other citizens.
The negative side effects of stimulus check include:
1. It makes people lazy since it is free money.
2. More money would be spent in the course of trying to meet the needs of everyone.
3. People would manipulate the system thereby getting more than one stimulus pay check.
4. Working class people would be angry with the system. This is because, they wil feel that all their hard work and taxes isbeing used to feed some lazy citizens who has never contributed anything to the country.
5. It would increase the debt profile of the government.
Explanation:
______ consists of one or more chips on the motherboard that hold items such as data and instructions while the processor interprets and executes them.
Answer: Managing Memory
Explanation:
Hope this helps!
Prompt
Explain three strategies you can use to take better notes.
Answer:
1. Use phrases not full sentences
2. Put your notes in categories
3. Take notes in your own words
Explanation:
It's right
Traditional teams initially face difficulties in understanding how Agile teams can determine expected project completion time given that they do not spend sufficient time in upfront project planning. What is your opinion regarding predicting project completion on Agile projects?
Agile projects focus on iterative progress and flexibility, making it challenging to predict precise completion times. However, accurate estimations can be made by considering team velocity and past performance.
Predicting project completion in Agile projects can be difficult due to the emphasis on iterative progress and adaptability. Traditional teams may struggle with this concept because they're used to upfront planning and fixed timelines. Agile methodologies focus on delivering small increments of functionality and adjusting the scope as needed, based on stakeholder feedback and project circumstances. To estimate completion time in Agile projects, teams can rely on their velocity (the average amount of work completed in each sprint) and historical data from similar projects. By continuously tracking and refining velocity, teams can provide more accurate estimates of project completion. Thus, while Agile projects might not have a fixed end date from the start, they can still effectively predict completion times by factoring in team velocity and past performance.
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How do I use musicmaker on Chrome lab?
The website Chrome's Music Lab offers engaging, practical activities that make studying music more approachable.
The newest Chrome's Music Lab project, Song Maker, makes it easy for anybody to create and share music. Built with the help of Web Audio API, WebMIDI, Tone.js, and other technologies from G Creative Lab, Yotam Mann, and Use All Five.
A lot of instructors have been utilising Chrome's Music Lab as a tool in their classes to investigate the relationships between music and other subjects, such as science, math, and art. They have been fusing it with live music and dancing. Here is a list of various applications we have discovered on Twitt.
Yes. Check out the Song Maker project, which enables you to create and distribute original music.
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If the primary voltage of a transformer is 230V and the primary coil is 80. Calculate the secondary voltage when the secondary turn is 160. *Ans 460 volts*
Answer:
\(V_{out} = 460\)
Explanation:
From your question, you already posted the answer
However, I'll give the steps to get the answer
Given
\(Primary\ Voltage = 230V\)
\(Primary\ Coil = 80\)
\(Secondary\ Coil = 160\)
Required
Secondary Voltage
The relationship between the primary voltage, secondary voltage, turns of primary coil and secondary coil is as follows;
\(\frac{V_{out}}{V_{in}} = \frac{N_{s}}{N_{p}}\)
Where
\(V_{in} = Primary\ Voltage = 230V\)
\(V_{out} = Secondary\ Voltage = ??\)
\(N_{p} = Primary\ Coil = 80\)
\(N_{s} = Secondary\ Coil = 160\)
Substitute these values in the formula above;
\(\frac{V_{out}}{V_{in}} = \frac{N_{s}}{N_{p}}\)
becomes
\(\frac{V_{out}}{230} = \frac{160}{80}\)
\(\frac{V_{out}}{230} = 2\)
Multiply both sides by 230
\(230 * \frac{V_{out}}{230} = 2 * 230\)
\(V_{out} = 2 * 230\)
\(V_{out} = 460\)
Hence, the secondary voltage is 460 Volts
Answer:
460 volts
Explanation: hope this helps :)
Sports photography is not included in news coverage.
True
False
Answer:
False yes it is
Explanation:
What are the 3 common uses of the Internet?
Answer:
1. reaserch
2. downloading files
3. decision groups
If a license carries a " no derivative works" requirement, what terms does it set for using material with that license? A) It requires the user to give credit to the creator B) it can be used but not modified C) it can be used only for programs that do not earn money D) it requires the user to get written permission from the creator
Answer:
the answer would be c
Explanation:
Answer:
B. Can be used but not modified.
Explanation:
No Derivatives licenses (CC BY-ND and CC BY-NC-ND) allow people to copy and distribute a work but prohibit them from adapting, remixing, transforming, translating, or updating it, in any way that makes a derivative. In short, people are not allowed to create “derivative works” or adaptations.
Hoped this helped you.
9.6 Code practice Edhesive
Answer:
N = [1,1,1,1,1],
[2,2,2,2,2],
[3,3,3,3,3],
[4,4,4,4,4]
def printIt(ar):
for row in range(len(ar)):
for col in range(len(ar[0])):
print(ar[row][col], end=" ")
print("")
N=[]
for r in range(4):
N.append([])
for r in range(len(N)):
value=1
for c in range(5):
N[r].append(value)
value=value + 1
printIt(N)
print("")
newValue=1
for r in range (len(N)):
for c in range(len(N[0])):
N[r][c] = newValue
newValue = newValue + 1
printIt(N)
Explanation:
I got 100%.
In this exercise we have to use the knowledge of computational language in python to write the code.
We have the code in the attached image.
The code in python can be found as:
def printIt(ar):
for row in range(len(ar)):
for col in range(len(ar[0])):
print(ar[row][col], end=" ")
print("")
N = [1,1,1,1,1], [2,2,2,2,2], [3,3,3,3,3], [4,4,4,4,4]
for r in range(4):
N.append([])
for r in range(len(N)):
value=1
for c in range(5):
N[r].append(value)
value=value + 1
printIt(N)
print("")
newValue=1
for r in range (len(N)):
for c in range(len(N[0])):
N[r][c] = newValue
newValue = newValue + 1
printIt(N)
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to generate a series of first ten counting number of algorithm
How are sorting tools helpful for using spreadsheets and databases? Sorting tools let you locate information by searching for names, numbers, or dates in search boxes. Sorting tools give you access to all the information in a spreadsheet so you can see everything at once. Sorting tools help you identify meaningful information and discard the data that are not valuable to your search. Sorting tools allow you to organize data into columns and rows that help you locate what you are looking for.
Answer:
Sorting tools allow you to organize data into columns and rows that help you locate what you are looking for.
Explanation:
Spreadsheet applications and relational databases are similar in configuration as they are both arranged in rows and columns (tabular). Sorting a spreadsheet or database is useful as it helps to organize data. A sorted spreadsheet or database can be in ascending or descending order which makes it easier and faster to locate rows of data manually or by query.
Answer:
D on edge2020
Explanation:
The binary number 10 is the same as the decimal number 10. True or false
Answer:
False
Explanation:
The binary number 10 is equal to the decimal 2
What does success look like with cyber security?
Firewalls, VPNs, Web proxies, and IDS/IPS should all be understood if you want to become an expert in cybersecurity. You must be knowledgeable in coding languages including PHP, HTML, Python, and Java.
What is cyber security?Information technology security, often known as computer security or cybersecurity, is the defense of computer networks and systems against intrusions by malevolent actors that could reveal confidential information.
Being extremely organized, paying attention to detail, and remaining up to date with industry changes are among the top qualities of a cyber security specialist.
They have extensive technical expertise, are innovative problem solvers, and more.
Thus, this way, the success look like with cyber security.
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In how many ways can a list of students names from your class be organized?
Answer:
It can be expressed in 2 ways horizontal and vertical ways.
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what happens if an nfl game is cancelled due to weather
Answer:
the NFL generally plays through even the coldest and most precipitous of weather unless the weather makes the stadium unusable or it becomes unsafe for spectators to attend the match.
Explanation:
but if a game DOES get cancelled, it will most likely be scheduled for a later time.
which of the following statements is not true about newer mobile a/c systems?
None of the factors indicated with regard to newer mobile a/c systems is false.
What are newer mobile a/c systems?Mobile air conditioning is a component of the vehicle control system that offers cooling, desiccation, humidity management, heating, defrosting, and air filtration.
Air conditioning (also known as AC, A/C, or air con) is a system that cools down the temperature of a room by eliminating the existing heat and moisture. They function essentially by drawing warm air into a system and dispersing cold air, but there is much more to this process.
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Full Question:
Although part of your question is missing, you might be referring to this full question:
Which of the following statements is not true about newer mobile AC systems?
Many of these systems contain less refrigerant than older systems
Too little refrigerant in AC system can cause problems
Which method would you use to determine whether a certain substring is the suffix of a string?.
A method which you would use to determine whether a certain substring is the suffix of a string is: d) endswith (substring).
What is a string?In Computer technology, a string simply refers to a data type which is commonly used for data values that typically contains ordered sequences of characters.
This ultimately implies that, a string can either contain a single character or entirely empty. Additionally, "Hello Brainly" is a typical example of a string in computer programming.
In Python programming, endswith (substring) is a string method which would return true when a specific substring is the suffix of a string.
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Complete Question:
Which method would you use to determine whether a certain substring is the suffix of a string?
a) find(substring)
b) startswith (substring)
c) replace (string, substring)
d) endswith (substring)
In the communication process model, 'decoding the message' occurs immediately: Group of answer choices before the sender forms the message. after the receiver receives the message. after the sender forms feedback of the original message. after the receiver transmits the message. before the receiver receives the message.
According to the communication process model, decoding is the interpretation of the symbols or signs that arrive in a message and it occurs after the receiver receives the message.
What is the communication process model?It is a model that is based on the communication process and the production of the meaning of a message, where two processes actively intervene, that of emission and reception, which are different.
The sender performs a coding operation to convey an idea, that is, the message is made up of a series of different types of organized signs.
On the other hand, this message is decoded by the receiver according to its own circumstances, that is, the receiver transforms the symbolic code sent by the sender into ideas.
Therefore, we can conclude that according to the communication process model, decoding is the interpretation of the symbols or signs that arrive in a message and it occurs after the receiver receives the message.
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How does Netflix rank in terms of customer satisfaction
today?
Netflix consistently ranks high in terms of customer satisfaction. As of today, it remains one of the most popular streaming services worldwide. There are several reasons why Netflix is highly regarded by its customers: Extensive Content Librar.
Netflix offers a vast selection of movies, TV shows, documentaries, and original series. With more than 100,000 titles available, customers can find content that suits their preferences.
2. Personalized Recommendations: Netflix's algorithm analyzes user viewing history and preferences to provide tailored recommendations. This helps customers discover new shows and movies they might enjoy, enhancing their overall experience.
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How graphic designing
changed in years? Write in 300 words.
Answer:
Graphic design has a rich and varied history. The word “graphic design” didn’t appear on the scene until 1922, when William Dwiggins created the word to describe the art of designing with graphics. In the earliest days of graphic design, professionals drew by hand. However, in the last 60 years graphic design has forged ahead, advancing rapidly since the addition of today’s digital art tools.
Earliest Graphic Design
Even though the term wasn’t yet coined, some of the earliest designs included typography for books and newspapers. One could also argue drawings on cave walls represent a form of ancient graphics.
Fast forward to the 1900s when posters became a form of expression. During the 1940s, graphic design appeared in propaganda posters of the era, such as the “We Can Do It” poster with Rosie the Riveter. Slogans were short, to the point, and added to a graphic that set the tone.
As technology began to change and become available to more people, the entire industry that would become known as graphic design began to emerge.
The 1990s
In 1990, Photoshop 1.0 arrived on the scene. Back then, you could only use Photoshop with Macintosh computers. The birth of this new tool again changed designers’ ability to experiment with new techniques, including overlapping text, faded elements, and digital overlays.
Grunge was also born in the ’90s, which showed up in movie poster designs, book covers, and album covers with dark looking images and simple colour palettes, such as white on black, perhaps with a pop of red. A few grunge typefaces even came about—gritty and raw-looking text.
The 2000s
The 2000s began an entirely new frontier for graphic designers. In addition to tools becoming even more powerful, people were suddenly designing on portable devices, such as smartphones. On top of that, designers began to realize the importance of designing in a way that looked good across all device types.
Movement became more of a focus, with designers looking for ways to make even static logos look like they’re in motion.
One example of a logo that appears to almost be in motion is the AT&T logo of a globe. Because of the mix of blue and white along with the angles of the logo, one can imagine that the image is spinning slowly just as the earth does. They debuted the logo in 2005.
Recent Changes
There isn’t one method that dominates graphic design today, but a mix of design techniques and styles. Trends emerge from year to year—and sometimes month to month. In 2017, the use of cutout text that meshed with strong images allowed designers to create unique looks for websites and logos.
Other trends included flat icons and the addition of videos across marketing channels. Websites need to be mobile responsive more than ever before, so simplicity is the order of the day, along with speeding up overall rendering. Print advertising meshes with mobile devices, bringing a new experience to users that is more immersive.
Evolution of Graphic Design
Where graphic design will go in the future is anyone’s guess, but the user experience is sure to remain at the forefront. Designs will become more personalized and more interactive over time. One example of this type of technology and personalization appears at Walt Disney World in Orlando. As riders stroll past digital posters, a sensor picks up the signal from a magic pass armband, and the guest’s name comes up on the poster, welcoming them.
Regardless of where design goes next, expect to see increasingly more personalized designs that enhance user experience in your daily life.
During the ____ process, a database expert determines the structure of the required database.
a. data security
b. database integrity
c. database design
d. database selection
During the database design process, a database expert determines the structure of the required database. This involves identifying the entities, relationships, and attributes that need to be represented in the database. So option c is the correct answer.
The database expert analyzes the data requirements, considers the business rules and constraints, and designs the database schema or data model accordingly.
This includes defining tables, establishing relationships between tables, specifying data types and constraints, and deciding on primary keys and indexes.
The goal of database design is to create an efficient and effective database structure that meets the needs of the organization and ensures data integrity and usability. So the correct answer is option c. database design.
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