If same functionality is accessed through an object and used different classes and all of those can respond in a different way, the phenomenon is best known as: Select one: a. Inheritance b. Overloading
c. Overriding
d. Polymorphism
Answers
d.The phenomenon described, where the same functionality is accessed through an object and used by different classes that can respond in a different way, is best known as polymorphism.
Polymorphism is a fundamental concept in object-oriented programming that allows objects of different classes to be treated as objects of a common superclass. It enables the same method to be invoked on different objects, resulting in different behaviors depending on the actual class of the object.
Polymorphism promotes code reusability, flexibility, and extensibility, as it allows for the creation of generic code that can work with objects of different types without explicitly knowing their specific classes It enables the same method to be invoked on different objects, resulting in different behaviors depending on the actual class of the object.
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Related Questions
What is the right age to start coding in high school?
Answers
Answer:
The answer to this question is given below in the explanation section.
Explanation:
The right age to start coding in high school from 6th grade to onward.
Kids, when reach 7 years or above can start coding and learning basic programming. But in high school, the age of students or kids is between 10-12 years.
The kids can start learning programming very basic in early classes. But when they reach the early grade of high school start learning basic programming in which loop, if statement, etc. At 7th and 8th grade and to above onward, programming learning level becomes increasing, basic to intermediate level of programming.
Kids who learn programming in their early life can set themselves for a lifetime of opportunities for success.
how did the inca rulers build and maintain such a vast empire without those inventions?
Answers
The Inca rulers were able to build and maintain their vast empire without certain technological inventions through the effective use of various strategies and resources.
While the Inca civilization did not have access to certain advancements like iron tools, wheeled vehicles, or a system of writing, they employed other methods to govern and expand their empire. Here are some key factors that contributed to their success:Road System: The Inca constructed an extensive network of roads known as the "Qhapaq Ñan." These roads facilitated communication, trade, and the movement of troops throughout the empire. They were built using stone paving techniques and were carefully maintained.Agricultural Innovations: The Inca developed advanced agricultural practices to support their population. They constructed terraces on steep slopes for farming, built irrigation systems, and utilized crop rotation techniques to maximize agricultural productivity.
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Display the total number of parking tickets.
Answers
Answer:
Explanation:
select * from customer where balance > (select avg(balance)
from customer) and credit_limit > (select avg(credit_limit) from customer);
Write a program that computes an integer's checksum. To compute the checksum, break the integer into its constituent digits and, working from right to left, doubling every second digit. If the product results in a number with two digits, treat those two digits independently. Then, sum all the digits for the final checksum. For example, 1496 has a checksum of 21. We compute this by first breaking 1496 into constituents and doubling the ever second digit => 6, 18, 4, 2. Then, the individual digits are summed as 6 + (1 + 8) + 4 + 2 = 21.
Answers
Answer:
def checksum(num):
total = 0
count = 0
while num > 0:
digit = num % 10
count += 1
if count % 2 == 0:
digit *= 2
while digit > 0:
total += digit % 10
digit //= 10
else:
total += digit
num //= 10
return total
num = int(input("Enter an integer: "))
print("Checksum:", checksum(num))
if there’s anything to amend, please let me know. thank you!
What symbol goes at the end of every if/else statement in python?
Answers
A colon goes after every if/else statement in python. For instance:
if 1 < 5:
# do something.
As we can see, a colon is placed after the 5.
What do borrowers use to secure a
mortgage loan? Check all that apply.
a credit card
a down payment
a house
V land
O a vehicle
Answers
Answer:
Credit Card & Down Payment
Asia is selling bracelets to raise money for the school's band trip. She needs to determine how much she has already raised and how many more bracelets she must sell. Which response best explains why a computer would perform this task better than a human?
Computers can perform calculations at unbelievable speeds.
Computers can think creatively.
Computers can replicate human tasks.
Computers don't require sleep.
Answers
Note that where Asia is selling bracelets to raise money for the school's band trip and she needs to determine how much she has already raised and how many more bracelets she must sell, the response that best explains why a computer would perform this task better than a human is: "Computers can perform calculations at unbelievable speeds." (Option A)
What is the speed of the fastest computer?Frontier, the fastest supercomputer on the TOP500 supercomputer list as of May 2022, with a LINPACK benchmark score of 1.102 ExaFlop/s, followed by Fugaku. The United States has five of the top ten, China has two, and Japan, Finland, and France each have one.
As of June 2022, China had 173 of the world's 500 most advanced and powerful, one-third more than its next competitor, the United States, which had an additional 128 supercomputers.
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Select the correct text in the passage.
Select the sentence that is not the correct use of technology in parenting.
Technology has helped parents to access a vast information resource due to the presence of the internet. They can show a range of education
material like nursery rhymes, stories, scientific concepts, and so on conveniently on their smartphones. Teachers can coordinate with the
parents about the child's progress due to smartphones and various applications on it. Some parents have replaced the customary practice of
reading a bedtime story to children with a television show of the child's choice.
Reset
Next
Answers
Answer:
some parents have replaced the customary practice of reading a bedtime story to childern with a television show of the child's choice
Explanation:
Where does the revolver get the IP address of a site not visited before?
the file server
the name server
the IP provider
the print spooler
Answers
Answer: The name server
Explanation:
Nameservers are part of a large database called the Domain Name System (DNS), which acts like a directory for devices and the IP addresses attached to them. What nameservers do is use this information to translate domain names into numerical IP addresses – the language our computers understand
Understand spreadsheet software. a. What is the difference between a workbook and a worksheet? b. Identify five common business uses for electronic spreadsheets. c. What is what-if analysis?
Answers
a. A wοrksheet is a single page within a wοrkbοοk where data can be entered and manipulated using fοrmulas, functiοns, and fοrmatting tοοls.
b. five cοmmοn business uses fοr electrοnic spreadsheets:
Budgeting and financial analysisInventοry managementPrοject managementData analysis and repοrtingEmplοyee schedulingc. What-if analysis is a technique used in spreadsheet sοftware tο explοre different scenariοs by changing input values and οbserving the resulting changes in οutput values.
What is a detailed explanatiοn οf spreadsheet sοftware?Spreadsheet sοftware is a tοοl used tο οrganize and manipulate numerical data in rοws and cοlumns, using fοrmulas and functiοns tο perfοrm calculatiοns and analysis.
A. In spreadsheet sοftware, a wοrkbοοk is a file that cοntains multiple wοrksheets. A wοrksheet, alsο knοwn as a spreadsheet οr a sheet, is a single page within a wοrkbοοk where data can be entered and manipulated using fοrmulas, functiοns, and fοrmatting tοοls.
B. Five cοmmοn business uses fοr electrοnic spreadsheets are:
Budgeting and financial analysis: Spreadsheets can be used tο track incοme and expenses, create financial prοjectiοns, and analyze data.Inventοry management: Spreadsheets can be used tο track inventοry levels, reοrder pοints, and sales data tο help businesses manage their inventοry efficiently.Prοject management: Spreadsheets can be used tο track tasks, timelines, and milestοnes fοr prοjects, as well as tο allοcate resοurces and mοnitοr prοgress.Data analysis and repοrting: Spreadsheets can be used tο analyze and visualize large amοunts οf data, create charts and graphs, and generate repοrts.Emplοyee scheduling: Spreadsheets can be used tο create schedules fοr emplοyees, manage vacatiοn time and sick leave, and track emplοyee hοurs wοrked.C. What-if analysis is a technique used in spreadsheet sοftware tο explοre different scenariοs by changing input values and οbserving the resulting changes in οutput values.
It allοws users tο mοdel different scenariοs and test assumptiοns by changing variables such as sales prοjectiοns, expenses, οr interest rates tο see hοw they wοuld impact the bοttοm line. What-if analysis can be used tο suppοrt decisiοn-making and fοrecasting in a variety οf business settings.
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What is the process used for creating natural
sets?
Answers
Answer:
natural sets of what thing?
which of the following best describes functional interoperability? group of answer choices function that allows computer systems to seamlessly operate together two computers can interpret the format of a message but not its meaning ability of one computer to send and receive a message from another computer data within a message can be interpreted between computer systems
Answers
Functional interoperability is best defined as the ability of two or more systems to exchange information and use the received information.
What is integration that is functionally interoperable?The ability to deploy two or more integrations on the same AIA instance (cluster) and for the services offered by the integrations to cooperate to complete end-to-end business processes is referred to as functional interoperability. Integrations that are functionally compatible have also been put through testing by AIA Development.
Why is structural interoperability necessary and what is it?The following level of operation, known as structural interoperability, calls for data to be uniformly moved, to follow some structure or format, and to be stored in some manner by the receiving system.
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To select nonadjacent items, select the first item as usual, press and hold down the ____ key, and then while holding down the key, select the additional items.
Answers
Answer:
CTRL key
Explanation:
To select nonadjacent items in a spreadsheet, hold down the control key.
Which is used to configure Hyper-V on a Windows 10 device?
A. Start
B. Settings
C. Control panel
D. Hyper-V Manager
Answers
Answer:
A.start
This is how you do it,in case you don't know how to.
Right click on the Windows button and select 'Apps and Features'. Select Programs and Features on the right under related settings. Select Turn Windows Features on or off. Select Hyper-V and click OK.
the force enhancement function concerned with providing timely detection and warning of ballistic missile launch and nuclear detonation is .
Answers
The force enhancement function concerned with providing timely detection and warning of ballistic missile launch and nuclear detonation is called "missile warning."
Missile warning is a critical component of national defense and is responsible for detecting and warning of any potential threats from ballistic missile launches and nuclear detonations. It involves the use of a variety of sensors, including ground-based radars, space-based infrared sensors, and other technologies, to detect and track incoming missiles and provide early warning to military and civilian authorities. The goal of missile warning is to give decision-makers enough time to make critical decisions and take necessary actions to protect national security interests. It is a complex and challenging function that requires a high level of coordination and integration across multiple agencies and organizations.
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Which of the following is NOT correct?
A. Computer is capable of processing only
digital signals.
B. Appropriate software is required for
processing the data.
C. Computer is capable of processing digital
as well as analog signals.
D. Computer is capable of analyzing both
quantitative and qualitative data.
Answers
Answer:A
Explanation:
How do u set up a Wi-Fi network on Android
Answers
Answer:
These are some way I know
Suppose a list contains {"red", "green", "red", "green"}. What is the list after the following code?
list.remove("red");
a. {"red", "green", "red", "green"}
b. {"green", "red", "green"}
c. {"green", "green"}
d. {"red", "green", "green"}
Answers
Option b. {"green", "red", "green"}
Below is given how we use list in python and what list.remove() does-
1. The original list is {"red", "green", "red", "green"}.
2. The code `list.remove("red");` removes the first occurrence of "red" from the list.
3. The list now becomes {"green", "red", "green"}.
In Python, a list is a collection of ordered and changeable elements. It is one of the built-in data types in Python and is commonly used to hold a sequence of items. Lists are declared using square brackets [] and can contain any number of elements separated by commas.
Lists are very versatile and have many built-in methods that allow you to manipulate and work with the elements in the list. Some common operations you can perform on a list include adding and removing elements, sorting the list, and searching for elements within the list.
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How do businesses benefit from digital networks?
A.Internet access for employees
B.Ability to connect multiple laptops
C.Protection from viruses
D.Software users are familiar with
Answers
The way in which businesses benefit from digital networks is: B. Ability to connect multiple laptops.
What is a digital network?A digital network can be defined as a social network that is designed and developed through the use of digital technologies that incorporates both digital transmission and digital switching.
This ultimately implies that, a digital network can support the digital transmission and digital switching of all the following aspects and components of a network:
VoiceVideoDataNetwork services.In conclusion, digital networks avail employees working in a business firm an ability to connect multiple laptops all at the same time (simultaneously).
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What is the advantage/disadvantage of using JAVA API in Hadoop HDFS?
What is the advantage/disadvantage of using REST API in Hadoop HDFS?
Answers
Using JAVA API in Hadoop HDFS offers extensive capabilities and control but requires advanced programming skills, while using REST API provides simplicity and flexibility but may have performance limitations. The choice between the two depends on the specific requirements and expertise of the developers involved.
The advantage of using JAVA API in Hadoop HDFS is that it provides a robust and powerful programming interface. With the JAVA API, developers have access to a wide range of features and functionalities of Hadoop HDFS. They can easily manipulate files, perform read and write operations, manage metadata, and implement custom applications.
On the other hand, the disadvantage of using JAVA API is that it requires advanced programming skills and knowledge of JAVA. This means that developers need to have expertise in JAVA programming language, which may not be the case for all developers. Additionally, using the JAVA API can be more complex and time-consuming compared to using other APIs.
As for the advantage of using REST API in Hadoop HDFS, it provides a simpler and more standardized way of accessing and manipulating Hadoop HDFS resources. REST APIs use HTTP methods like GET, POST, PUT, and DELETE, making it easier to interact with HDFS using a variety of programming languages. It offers flexibility and ease of integration with other systems.
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Can someone help me code the statments in the picture?
Answers
Answer:
(In this section I will put the code with no comments and I'll put the code plus comments in the explanation below :)
public class Main
{
public static void main(String[] args)
{
double cost = ParkingSpot.getPrice(4);
System.out.println(cost);
}
}
//End OF Main class
//ParkingSpot class
public class ParkingSpot
{
public static double getPrice(int hours)
{
double cost = 4.25 * hours;
if (cost < 7.00){
cost = 7.00;
}
if (hours > 3){
cost = cost * 0.25;
}
return cost;
}
}
Explanation:
(Here I will add the comments so you better understand what is written and whats going on :)
public class Main
{
public static void main(String[] args)
{
/* the code should be written in the ParkingSpot
* class. You may use this main method to call
* methods to test your code
*/
/*We send an integer representing x amount of hours, also calling the
method and displaying the result
*/
double cost = ParkingSpot.getPrice(4);
System.out.println(cost);
}
}
//End OF Main class
//ParkingSpot class
public class ParkingSpot
{
/* Finish the static class getPrice. The parameter hours indicates the time parked.
*/
public static double getPrice(int hours)
{
//Here we set the rates
/*
It costs 4.25 per hour to park in the ParkingSpot
If the total cost come in at less than 7.oo, the price should
be adjusted UP to 7.00, the minimum Price Allowed
If the number of hours is more than three hours,
a 25% discount should be appllied
*/
double cost = 4.25 * hours;
//If the cost is less than 7.00 we set the price up to 7.00
if (cost < 7.00){
cost = 7.00;
}
/*If hours is more than 3 (meaning 4 or it would have said 3 and/or more),
a 25% discount will be appllied*/
if (hours > 3){
cost = cost * 0.25;
}
//Return cost of parking for x amount of hours
return cost;
}
}
Access to ________ has changed how users of mobile information systems create information.
Answers
Access to the internet has changed how users of mobile information systems create information. With the widespread access to the internet, users have unlimited access to vast amounts of information that can be used to create and share content.
Users can now create text, images, videos, and other multimedia content using their mobile devices and share it with anyone who has access to the internet. This has led to the growth of social media, where users can create and share content with millions of other users worldwide. Users can now access various online platforms such as blogs, wikis, and social networks to create, share and collaborate on content. These platforms provide users with a vast array of tools and resources to create engaging and interactive content, including multimedia files, discussion forums, and surveys. Furthermore, mobile information systems have enabled users to create and share information in real-time, regardless of their location.
Users can now access cloud-based services that allow them to store, share and collaborate on documents and other files. The growth of mobile information systems has also led to the rise of the "app economy," where users can create and distribute apps that run on mobile devices. Overall, the availability of mobile information systems has revolutionized the way users create and share information, leading to more accessible and efficient communication and collaboration.
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The standard interface technology for wireless networks is __________. the hardware component necessary for computers to connect to these networks is a __________.
Answers
The standard interface technology for wireless networks is Wireless Fidelity (Wi-Fi).
The hardware component necessary for computers to connect to these networks is a WAP(Wireless Access Point).
What hardware components are needed for a wireless network?The key hardware parts that are said to make use of a wireless computer network are adapters, routers as well as access points, antennas, and others.
Hence, The standard interface technology for wireless networks is Wireless Fidelity (Wi-Fi). The hardware component necessary for computers to connect to these networks is a WAP(Wireless Access Point).
.
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Answer:wireless fidelity; WAP
Explanation:
What is an Array? 20 POINTS!!!
a. the total number of items in the collection
b. how you could order items in the collection (for example, date, price, name, color, and so on)
c. a unique address or location in the collection (for example, page number in an album, shelf on a bookcase, and so on)
d. the type of item being stored in the collection (for example, DC Comics, $1 coins, Pokémon cards, and so on)
Answers
Answer:
I'm about 99% sure it's C: a unique address or location un the collection
What is your favorite comedy show?
Answers
Answer:
Saturday Night Live or The Tonight Show
Explanation:
In computing, a control total of the correct digits in a particular set of data, which can be used in future comparisons to detect errors, is usually referred to by what compound word?
Answers
The compound word that is usually used to refer to a control total of the correct digits in a particular set of data in computing, which can be used in future comparisons to detect errors, is "checksum".
A checksum is a value calculated from the data in a specific way, often using a mathematical algorithm, and serves as a reference or fingerprint of the data. It can be used as a simple and efficient way to detect errors or changes in data, such as during data transmission or storage. By recalculating the checksum and comparing it to the original checksum, errors or changes in the data can be identified, allowing for data integrity verification and error detection in computing systems.
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Select the correct answer.
Which statement is true with respect to Java?
Answers
Answer:
where are the options ..... to select
----------------------------
Please summarize into 1.5 pages only
----------------------------
Virtualization
Type 2 Hypervisors
"Hosted" Approach
A hypervisor is software that creates and runs VM ins
Answers
Virtualization: It is a strategy of creating several instances of operating systems or applications that execute on a single computer or server. Virtualization employs software to reproduce physical hardware and create virtual versions of computers, servers, storage, and network devices. As a result, these virtual resources can operate independently or concurrently.
Type 2 Hypervisors: Type 2 hypervisors are hosted hypervisors that are installed on top of a pre-existing host operating system. Because of their operation, Type 2 hypervisors are often referred to as "hosted" hypervisors. Type 2 hypervisors offer a simple method of getting started with virtualization. However, Type 2 hypervisors have some limitations, like the fact that they are entirely reliant on the host operating system's performance.
"Hosted" Approach: The hosted approach entails installing a hypervisor on top of a host operating system. This hypervisor uses hardware emulation to create a completely functional computer environment on which several operating systems and applications can run concurrently. In general, the hosted approach is used for client-side virtualization. This method is easy to use and is especially useful for the creation of virtual desktops or the ability to run many operating systems on a single computer.
A hypervisor is software that creates and runs VM instances: A hypervisor, also known as a virtual machine manager, is software that creates and manages virtual machines (VMs). The hypervisor allows several VMs to execute on a single physical computer, which means that the computer's hardware can be utilized more efficiently. The hypervisor's role is to manage VM access to physical resources such as CPU, memory, and I/O devices, as well as to provide VM isolation.
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you have a column of dog breeds that are in all capital letters. what function would you use to convert those dog breeds so that only the first letter of each word is capitalized?
Answers
The function that would help you use to convert those dog breeds so that only the first letter of each word is capitalized is upper() function.
What are Excel functions for changing text case?There are some 3 main functions which are:
UPPERLOWERPROPER.Note that the upper() function helps one to to convert all lowercase letters in a text string to a case that is uppercase and as such, The function that would help you use to convert those dog breeds so that only the first letter of each word is capitalized is upper() function.
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Answer:
PROPER function
Explanation:
Capitalizes the first letter in a text string and any other letters in the text that follow any character other than a letter. Converts all other letters to lowercase letters.
Syntax
PROPER(text)
The PROPER function syntax has the following arguments:
◾ Text (Required). Text enclosed in quotation marks, a formula that returns text, or a reference to a cell containing the text you want to capitalize partially.
Example
Data
1. (A2) this is a TITLE
2. (A3) 2-way street
3. (A4) 76BudGet
Formula
1. =PROPER(A2)
2. =PROPER(A3)
3. =PROPER(A4)
Description
1. Proper case of the string in A2.
2. Proper case of the string in A3.
3. Proper case of the string in A4.
Result
1. This Is A Title
2. 2-Way Street
3. 76Budget
Can someone help tell me what Tag Error means? (codehs 12.3.6, classes and objects)
The problem is at line 34 of my code,
def __repr__(self):
return "Rectangle with length " + str(self.length) + " and" + " width " + str(self.width)
Tell me how to fix it or what is the problem specifically (rest of the code is fine except this).
Answers
The problem in the code lies in the string concatenation within the __repr__ method. There is a missing space between "and" and "width" in the returned string, causing the output to be incorrect.
How can this be fixed?To fix it, you can modify the code as follows:
def __repr__(self):
return "Rectangle with length " + str(self.length) + " and " + "width " + str(self.width)
By adding a space after the word "and", the string will be properly formatted, and the output will display the correct representation of the Rectangle object.
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