A string, string buffer, or string builder's charAt accessor method can be used to retrieve the character located at a specific index. The initial character's index is 0 and the last character's index is length()-1.
What is the purpose of the index ()?
The INDEX function extracts a value or a reference to a value from a table or range and returns it. The INDEX function can be used in two different ways: See Array form if you wish to retrieve the value of a particular cell or group of cells.
How is an index calculated?
An index's base year, in which it begins, has an index value of 100. The index number is raised above 100 in succeeding years by percentage rises and lowered below 100 by percentage decreases. A value of 102 indicates a 2% increase from the base year, while a value of 98 indicates a 2% decrease.
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Clem has entered the following formula into his spreadsheet: =vlookup(a5,a7:g20,3,true). What advanced feature is he using?.
He is utilizing the advanced capability of the lookup table.
Why do people use spreadsheets?Using spreadsheet software, data that has been organized into rows and columns may be stored, viewed, and modified. The spreadsheet is one of the most utilized pieces of software for personal computers. Normally, spreadsheets are used to keep track of numerical data and short text strings.
What characteristics are sophisticated?It is true that more complex functions help you comprehend how things work and how quickly things change. For instance, you will study exponential and logarithmic functions in the Advanced Functions course for grade 12.
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Answer: A: Lookup Table
Explanation:
a data dictionary typically includes any of the following except ____.
With the exception of the most recent access date, the following are normally included in a data dictionary.
What exactly does a data dictionary contain?
A data dictionary 1 is a compilation of description, explanations, and attributes of data items or phrases in a data asset. Data dictionaries offer details about the data.
Data quality, or how accurate and current it is, is referred to as data integrity.
Numerous computer languages, including the widely used Java and PHP languages, can contain SQL statements.
A climate-controlled structure or group of structures known as a "data center" houses the SERVERS responsible for storing and distributing task software and information.
The size of the disk storage disk is not disclosed by a data dictionary.
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you believe your gnupg key pair has been compromised and should no longer be used. which gpg command option can you use to create a key revocation certificate for the key pair? (tip: type just the command option.)
Using the key revocation certificate, revoke the key on a local machine. The key server should get the revoked key.
What is meant by certificate revocation?The act of invalidating a TLS/SSL certificate before its specified expiration date is known as certificate revocation. When a certificate's private key appears to have been compromised, it should be immediately cancelled. When the domain for which it was issued is no longer active, it should also be cancelled. The Certificate Revocation List is a list kept by the CA that contains certificates that have been revoked (CRL). When a client tries to establish a connection with a server, it verifies the certificate for issues, and one of these tests includes making sure the certificate is not listed on the CRL. The serial number and revocation time of the certificates are also contained in the CRL.To learn more about certificate revocation refer :
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you manage information systems for a large co-location data center.networked environmental controls are used to manage the temperature within the data center. these controls use embedded smart technology that allows them to be managed over an internet connection using a mobile device app.you are concerned about the security of these devices. what can you do to increase their security posture? (select two.)
To ensure the security of the system, you need to verify that the existing network infrastructure is working properly and devices being used in the system must have the latest firmware updates from the manufacturer.
If you are working as a manager at a large co-location data center to manage the information system. The information system's environmental temperature is controlled by smart technology and is managed over an internet connection via a mobile app.
To increase the security of the system:
You need to verify that the existing networking infrastructure is working properly and managed accordingly from a security perspective. Also, you need to install the latest firmware updates from the device manufacturer to ensure the proper security of the system.You can learn more about information system security at
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the organization of file directories where each file name is followed by a hole simplifies adjusting which attribute?
The organization of file directories where each file name is followed by a hole simplifies adjusting the file name length attribute
What is directory structure?Directory structure is the organization of files in the hierarchy of folders. It must be stable and scalable; should not be fundamentally changed but only supplemented. Computers have used the directory metaphor for decades to help users keep track of where something can be found.
However, folders are very limited as an organizational structure. There must be a high-level organizational structure that can only be broken down to a limited extent before the system becomes too cumbersome and breaks down.
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define a function calcnum() that takes two integer parameters and returns the result of subtracting the product of 6 and the second parameter from the first parameter.
Answer:
def calcnum():
num1 = int(input("Enter an integer: "))
num2 = int(input("Enter an integer: "))
num3 = (num1-6)num2
print(str(num3))
calcum()
Explanation:
This function asks for two integers which are interpreted as strings when you ask for them so you have to turn them from strings to ints before you can do any math functions with them. After you can simply subtract 6 and num2 from the first integer and then print that value as a string.
Which of the following printer features enables you to print on both sides of a sheet of paper? dual matrix resolution simplex duplex
You can print a sheet of paper on both sides manually or automatically using duplex printing.
Cloud printers are Internet-connected printers that offer printing services to other online users. Character and mark recognition technologies include OMR, OCR, and MICR.
Digital or interactive whiteboards are specialised tools with a sizable display linked to a computer projector that are frequently used in schools and executive offices.
The upper left of keys on a keyboard's QWERTY form uses the initials from the first six alphabetic characters to represent the layout of the keyboard.
Mics are the most used audio input devices. Speakers and headsets are the most popular external sound gadgets.
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Re-designing and automating business processes can be seen as a double-edged sword because:
increases in efficiency may be accompanied by job losses.
reliance on technology results in the loss of hands-on knowledge.
increases in efficiency may be accompanied by poor data quality.
support for middle-management decision making may be offset by poor data quality.
The re-designing and automating business processes can be seen as a double-edged sword because increases in efficiency may be accompanied by job losses.
What is double-edged sword?Double-edged sword is a terms for the result that has both positive and negative effect.
Re-designing and automating business process it can make business process have better efficiency but since it will make business process automated it not required many people, so it will make job loss for many people.
Re-designing and automating business process don't make we lose the knowledge because the knowledge still needed for automating process. It also doesn't mean the data will have poor quality, even it can make data have great quality because human-error factor can be eliminated in process.
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all materials, media, or sources that publicize a united states department of agriculture, food and nutrition service funded program must include which element?
Answer:
All materials, media, or sources that publicize a United States Department of Agriculture, Food and Nutrition Service funded program must include the USDA Non-Discrimination Statement. This statement is required by law and must be included in all materials, media, or sources that promote or advertise a USDA-funded program, such as a food assistance program or nutrition education program. The USDA Non-Discrimination Statement states that the program is open to all eligible individuals, regardless of race, color, national origin, sex, age, or disability, and that discrimination is prohibited by law. It also provides information about how to file a complaint if an individual believes that they have been discriminated against on the basis of any of these protected characteristics.
All materials, media, or sources that publicize a United States department of agriculture, food, and nutrition service funded program must include the element of USDA Non-Discrimination.
What is USDA Non-Discrimination?USDA Non-Discrimination may be defined as a type of statement that significantly deals with persons with disabilities who require alternative means of communication for program information.
The Nondiscrimination Statement (NDS) is for use by state and local agencies and their sub-recipients for all FNS programs. In accordance with federal civil rights law and U.S. Department of Agriculture (USDA) civil rights regulations and policies, this institution is prohibited from discriminating on the basis of race, color, national origin, sex, or disability a person.
Therefore, the USDA Non-Discrimination statement is a type of element that include all materials, media, or sources that publicize a united states department of agriculture, food, and nutrition service funded program.
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Which of the following email scenarios is more likely than the others to involve selecting one answer phishing? A. An email sent to multiple recipients B. An email from someone you know C. An email that goes to your email program's spam folder D. An email containing a clickable URL
Email scenarios is more likely than the others to involve selecting one answer phishing is D. An email containing a clickable URL.
What is Phising?Phishing is described as the fraudulent practice of stealing sensitive user information such as credit card numbers, login credentials, and passwords. This is usually done via email or other form of electronic communication and pretends to be from a trusted entity. Phishing occurs when victims reply to fraudulent emails that require immediate attention. Examples of actions requested in phishing emails include: Click Attachments. Enable macros in your Word document. Password update.
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insert a vlookup function in cell c5 to display the ring cost for the first student.
Put a VLOOKUP function in cell C5 to show the very first pupil's rings price. VLOOKUP is your response (B5,A16:B19,2,FALSE) The lookup value is B5, the table array is A16:B19.
The column index number is 2, and FALSE denotes an exact match. I would suggest changing the vloopup function if you want to drag for all of the cells below.
How is a VLOOKUP inserted?
Enter =VLOOKUP in the Formula Bar ().
Enter your lookup value in the parenthesis, then a comma.
the price point of data you wish to search, your table array or lookup table, and a comma: Enter the tab index value (H2, B3:F25).
Type TRUE or FALSE as the range lookup value.
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27 a data center has recently updated a physical server to host multiple operating systems on a single cpu. the data center can now provide each customer with a separate web server without having to allocate an actual discrete server for each customer. what is the networking trend that is being implemented by the data center in this situation?
Virtualization is the networking trend that is being implemented by the data center in this situation.
To imitate hardware functions and build a virtual computer system, virtualization uses software. This makes it possible for IT companies to run different operating systems, applications, and virtual systems on a single server. Greater efficiency and scale economies are two advantages that follow. With the help of virtualization technology, you may build meaningful IT services with resources that are often restricted to hardware. By dividing a physical machine's capabilities among numerous users or environments, it enables you to utilize the entire machine's capabilities.
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The function used to determine whether an entire sequential access file has been read is called _____.
a. close() function
b. eof() function
c. open() function
d. None of the above
The function used to determine whether an entire sequential access file has been read is called eof() function.
What is sequential access?A method of accessing and processing data in a file or on a storage medium by beginning at the top and moving sequentially through each record after it. When data is retrieved sequentially, it is located by starting at one location and moving on to succeeding sites until it is. Sequential access, often known as serial access, is a technique for getting data out of a storage device. When using sequential access, the device must navigate through all data to reach the spot it is trying to read or write.
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What would be the result of typing the function =INT(RAND()*5) into cell B1?
would it creat 5 random numbers in cells B1 to B5
or
would it make a single random number between 1 and 5 in cell b1
Answer:
The function =INT(RAND()*5) would create a single random number between 1 and 5 in cell B1.
this curve is involved in a method developed by karl pearson to approximate p-values by hand for hypothesis tests about model fit.
Chi-square curve is involved in a method developed by Karl Pearson to approximate p-values by hand for hypothesis tests about model fit.
What is the aimof the chi-square test?The Chi-Square Test of Independence is one that analyzes whether categorical variables are connected (i.e., whether the variables are independent or related).
Therefore one can say that the curve is a continuous probability distribution is a chi-square distribution. A chi-square distribution's k degrees of freedom determine its shape. A chi-square distribution has a mean equal to the number of degrees of freedom (k) and a variance of 2k. From 0 to is the range.
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evaluate user support position descriptions. use the internet to locate position descriptions for user support jobs in government as well as other types of organizations. if possible, find information about a position in your state or local employment area, and try to find a job that might be of interest to you. how do the duties and responsibilities you found compare with those described in this chapter? what are some similarities? what are some differences?
User support positions or jobs mostly available in both private and public organization. The user support position descriptions are almost similar both in private, public and in government organization. There are minor job description differences between the public and private organization. The minor differences are position timing, salary and other benefits.
The main job description of user support are:
Provides technical support and how-to guides for resolving users' computer hardware and software problems.Communicate with the user via ph0ne, ch-at, e-mail and/or support ticket system to assess the scope of the problem and the corrective actions (if any) taken by the user.Apply computer software and hardware knowledge to help users solve problems.Install or assist in the installation and setup of new hardware, software and peripherals.Coordinate servicing or replacement of defective products from vendors and manufacturers. Stay informed on innovations, trends and best practices. Provides recommendations for new software and hardware.Design or revise user training manuals and procedures.Maintain logs of our support services provided in a ticket system or other suitable database.Develop training materials and/or provide onsite training upon request.Perform other related tasks assigned to you.User support position main aim to serve the customer.
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What is the objective of Accenture's e-stewards program? Choices: ⢠to reduce energy consumption at Accenture client sites ⢠to eliminate paper usage at all Accenture offices ⢠to convert waste products into renewable resources ⢠to responsibly dispose of used electronic hardware ⢠I don't know this yet.
The objective of Accenture's e-stewards program is to convert waste products into renewable resources.
What is e-stewards?The e-Stewards initiative is an e-waste recycling standard developed by the Basel Action Network. The program and the organization that created it arose out of concern that e-waste generated in wealthy countries is being dumped in poor countries, often by underage workers. exposed to and worked in hazardous environments.
In 2009, BAN published e-Stewards standards for responsible recycling and reuse of electronic equipment. This standard sets out the requirements to become an e-Stewards Certified Recycler. By September 1, 2011, recyclers who qualified under the old Pledge program had to be certified to standards through the ANSI-ASQ National Accreditation Board (ANAB). e-Stewards accredited certification body.
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*the choices in the question above should be numbered like a, b, c, d in order to have a neat list
consider the carseats dataset from the islr library. split the dataset into two portions, a random 60% will be the training dataset, and the remaining 40% will be the testing data. use tree() to fit a regression tree to the training set, the response variable will be sales. plot the tree, and interpret the results. what test mse do you obtain? use cross-validation in order to determine the optimal level of tree complexity. plot your pruned tree. does pruning the tree improve the test mse? use random forests to analyze this data, the default options are fine. what test mse do you obtain? use the importance() and varimpplot() functions to determine which variables are most important.
To split the carseats dataset from the islr library into a training dataset and a testing dataset, you can use the sample() function in R.
How to split the dataset?you could use the following code to split the dataset into a random 60% training dataset and a 40% testing dataset:
# Load the islr library
library(islr)
# Load the carseats dataset
data(carseats)
# Split the dataset into training and testing sets
train_idx <- sample(nrow(carseats), size = 0.6 * nrow(carseats))
train <- carseats[train_idx, ]
test <- carseats[-train_idx, ]
Once you have split the dataset, you can use the tree() function to fit a regression tree to the training set. The response variable will be sales. For example, you could use the following code:
# Fit a regression tree to the training set
model <- tree(sales ~ ., data = train)
This will fit a regression tree to the training dataset, using all of the other variables in the dataset as predictors for the sales variable. You can then use this model to make predictions on the testing dataset and evaluate its performance
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a website forum that has user posted comments might be vulnerable to which type of cross site scripting attack?
A website forum that has user-posted comments may be vulnerable to a reflective cross-site scripting (XSS) attack.
What is cross-site scripting (XSS) attack?
In this type of attack, an attacker injects malicious code into a website by posting it as a comment on the forum. When other users view the comment, their web browser executes the code, allowing the attacker to steal sensitive information or perform other malicious actions.
To protect against reflective XSS attacks, it is important to properly sanitize and encode user-generated content before displaying it on the website. This involves removing or escaping any potentially dangerous characters, such as HTML tags or JavaScript code, that could be used to inject malicious code. It is also a good idea to implement input validation and use content security policies to further secure the website.
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using a programming language, programmers write a series of program statements, similar to english sentences, to carry out the tasks they want the program to perform
A programming language are: Python, Ruby, Java, JavaScript, C, C++, and C#. Programming languages are used to write all computer programs and computer software.
What is programming language in simple words?An example of a written language that instructs computers on what to perform is a programming language. Python, Ruby, Java, JavaScript, C, C++, and C# are some examples. All computer programmes and applications are created using programming languages.
A programming language is similar to a set of directives that the computer uses to carry out specific tasks.To create programmes, a programmer writes text in the source code of a programming language.
In order to make the language more understandable for humans, computer languages frequently utilise real words for some of the instructions (such as "if... then... else...," "and," and "or"). Punctuation is a common feature of several computer languages. The computer then modifies or translates the source code of many applications into another language during compilation.
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Which of these is correct about data mining?
a. It is a procedure in which knowledge is mined from data.
b. It involves processes like Data Transformation, Data Integration, Data Cleaning.
c. It is a procedure using which one can extract information out of huge sets of data.
d. All of the above
Answer:
D. All of the above
All of the following steps, EXCEPT are part of data staging. Data can be transformed, mined, stored in a warehouse, or extracted, among other options. Thus, option A is correct.
What is discovery of test?To make a discovery, test a theory, or show a well-known truth requires an experiment. Additionally, it is the act of carrying out a scientific experiment, particularly in a lab, in order to make a determination. A set of research study participants who are exposed to a specific manipulation of the independent variable can be included in an experiment.
A particular treatment or treatment level). The replies of the experimental group are also contrasted with those of a control group, other experimental groups, or both. The remaining choices, such as average data, quantitative data, and qualitative data, are not covered by the scientific record.
Therefore, All of the following steps, EXCEPT are part of data staging. Data can be transformed, mined, stored in a warehouse, or extracted, among other options. Thus, option A is correct.
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you want to keep the gshant user from using the at command. what is the full path and filename of the file you should edit?
The complete location and name of the item you should update are given in the query as / etc / at . deny.
What is a filename in computers?The full title of a file, including the file extension, is its name. A entire file name might be "readme.txt," for instance. A file name may just contain information about the initial portion of the file. For instance, the file's name is "readme," and.
How can I locate the file name?To access the Start menu, click Start. Select "Search" from the Start menu. Completely or partially fill out the file name field located in the Research Companion section of the Search Results window.
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What report compares metrics based on user acquisition date over a series of weeks?
A) User Explorer report
B) Active Users report
C) Users Flow report
D) Cohort Analysis
Answer:
D) Cohort Analysis
if the dispersion of returns on a particular security is very spread out from the security's mean return, the security . multiple choice question. is highly risky is risk-free has a low level of risk
Answer:
highly risky
Explanation:
If the dispersion of returns on a particular security is very spread out from the security's mean return, the security is highly risk
What is meant by dispersion of returns ?
Dispersion in finance refers to a range of potential returns on an investment. It is a tool to assess how risky an investment is. It is a dangerous investment if the dispersion is large because there are several possible values for the return on that investment.
The range of distribution of information regarding an expected value is referred to as dispersion. It displays the relationship between the distribution and the reference point or centre value. When determining the quality, volatility, and yield of data for any statistical observation, it is a crucial consideration.
Dispersion is a statistical word that describes the magnitude of the expected value distribution for a given variable.
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30! POINTS NEED HELP NOW
Answer the following three questions and then submit them.
1. Explain in detail what the start function does and how many times you should call the start function when writing your program.
2. Write a program that places a black circle on the screen with a radius of 35 in every place where the mouse is clicked.
3. Explain in detail how the code works and what this code will output.
function start(){
var a = 10;
var b = 5;
var c = 2;
var expression = ((a - b) * c) % 3;
println(expression);
}
1) The start function should be called 1 time when writing your program. When you click run, this function is activated. Every program needs a start function similar to function start ()
What is a function?A function is a section of well-organized, reusable code that executes a single, connected action. Your application will be more modular thanks to functions, which also allow for significant code reuse.
You have already seen several functions like printf() and main (). These are referred to as built-in functions that the language offers, but we can also create our own functions, and this tutorial will show you how to do so in the C programming language.
2) a program that places a black circle on the screen with a radius of 35 in every place where the mouse is clicked.
function start(){
mouseClickMethod(drawCircle);
}
function drawCircle(e){
var circle = new Circle(35);
circle.setPosition(e.getX(), e.getY());
add(circle);
}
3. the code works and this code will output 1
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what is a codec? a. a way to compress audio or video data b. a place to store audio or video data before playing it c. software that plays audio and video files d. code that determines how fast a video file will stream e. a way of preventing unauthorized users from intercepting streaming data
The Correct Statement about Codec is a) a way to compress audio or video data.
What is Codec?A codec is a tool or software application that encrypts or decrypts a signal or data stream. Codec is an acronym for coder and decoder.An endec is a sort of codec that is used in electronic communications and functions as both an encoder and a decoder on a signal or data stream. Encoder and decoder are combined to form Endec.A data stream or signal is coded, perhaps in encrypted form, by an encoder or coder for transmission or storage, and the decoder function undoes the encoding for playback or editing. Applications for streaming media, video editing, and video conferencing all employ codecs.To learn more about Codec refer to:
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what is the purpose of audit trails? answer to correct system problems. to restore systems to normal operations. to detect security-violating events. to prevent security breaches.
The purpose of audit trails is to detect security-violating events or actions.
What is audit trails?An audit trail is a step-by-step record that can be used to trace accounting, transactional, or other financial data to its source. Audit trails are used to review and track various types of transactions, such as financial transactions and transactions on brokerage accounts. An audit trail can be as simple as a receipt for the purchase of an item. The receipt will include the transaction date, price, place of purchase, and who was involved in the transaction. Another example is when a company purchases office equipment.
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above all else, what must be protected to maintain the security and benefit of an asymmetric cryptographic solution, especially if it is widely used for digital certificates?+
Modern computers use the RSA algorithm to encrypt and decrypt messages. The cryptographic algorithm is asymmetric.
What exactly takes place, and which cryptographic system is used to safeguard the confidentiality of the data?The resource cannot be viewed or accessed by unauthorized users.
Which strategy is utilized to safeguard data confidentiality?The process of encrypting data makes it unreadable to anyone but those who have the appropriate key or password. You can keep sensitive files from being read or used by people who aren't authorized to do so by encrypting them (for example, using file passwords).
Awry encryption includes two keys, private and public. Only the other can decrypt something that has been encrypted with one. No shared key exists. The same key cannot be used to decrypt a message that has been encrypted using a key.
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you are configuring the local security policy of a windows system. you want to prevent users from reusing old passwords. you also want to force them to use a new password for at least five days before changing it again. which policies should you configure? (select two.)
Since you are modifying a Windows system's local security policy. The policies you need to set up are:
Password history enforcementMinimum age for passwords.Explain the local security policy for windows system?A system's local security policy is a collection of data on the safety of a local computer.
The following information is part of the local security policy: the trusted domains for logon attempt authentication. How and which user accounts can access the system.It is well known that Minimum Password Age policy defines the minimum amount of time that users must hold onto a password without changing it. Users won't be able to use a new password, change it to an old one, and afterwards bypass the password system if there is a minimum password age requirement.Thus, if you are changing the local security settings on a Windows system. The regulations you must establish are:
enforces the history of passwordsAge restriction for passwords.To know more about the windows operating system, here
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how to to help your students connect this invented strategy to a standard algorithm and/or connect this to another invented strategy
There are several generally recognized algorithmic strategies. This strategy can be used depending on the objective objectives.
The Divide and Conquer Algorithm is a very popular algorithm in the world of Computer Science. Divide and Conquer is an algorithm that has the principle of breaking up a problem that is too big into several small parts so that it is easier to solve. The general steps of the Divide and Conquer algorithm:
Divide: Divide the problem into several subproblems that are similar to the original problem but smaller in size (ideally about the same size).Conquer: Solve ( solve ) each effort problem ( recursively ).Combine: Combine the solutions of each sub-problem so as to form the original problem solution.Greedy algorithm is a type of algorithm that uses a problem-solving approach by finding the maximum temporary value at each step. This temporary maximum value is known as the local maximum.
Kruskal’s algorithm is an algorithm in graph theory that finds a minimum spanning tree to connect in a weighted graph. This means finding the subset of edges that make up a tree that includes every vertex, where the total weight of all edges in the tree is minimized.
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