Given a rectangular matrix of English lowercase letters board and a string word, your task is to find the number of occurrences of word in the rows(→), columns(↓) and diagonals(↘) of board.
Example
For
board = [['s', 'o', 's', 'o'],
['s', 'o', 'o', 's'],
['s', 's', 's', 's']]
and word = "sos", the output should be solution(board, word) = 3.
There are 2 occurrences of word starting from board[0][0](going → and ↘), and one starting from board[0][2](going ↓).
No other occurrences of word were counted, so the answer is 3.
For
board = [['a', 'a'],
['a', 'a']]
and word = "aa", the output should be
solution(board, word) = 5.
There are 2 horizontal, 2, vertical, and 1 diagonal occurrence of word, for a total of 5.
Input/Output
[execution time limit] 4 seconds (py3)
[input] array.array.char board
A rectangular matrix of lowercase English letters.
Guaranteed constraints:
1 ≤ board.length ≤ 100,
1 ≤ board[0].length ≤ 100,
board[i].length = board[0].length.
[input] string word
A string consisting of lowercase English letters.
Guaranteed constraints:
2 ≤ word.length ≤ 100.
[output] integer
The number of occurrences of word in the rows(→), columns(↓) and diagonals(↘) of board.
PYTHON
def solution(board, word):
Answers
The operation requires a rectangular matrix containing English letters in lowercase and a word input string. The function calculates the frequency of the word in the board's rows, columns, and diagonals. An example is attached.
What is the rectangular matrix about?The function counts word occurrences in board's rows, columns, and diagonals from a rectangular matrix board and string word. To solve, the function loops through positions for word in rows, columns, and diagonals of the board. It then checks if there is a match and increments a counter if so
Therefore, the Function uses list function to convert substrings and subsequences to character lists, assumes board is valid rectangular matrix and word has at least 2 characters.
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Related Questions
Hash Map implementations group key hashes into "buckets". In what situation would there be multiple key hashes in one bucket?
a. When multiple value objects reference the exact same object in memory.
b. When there has been a hash collision.
c. When the Hash Map is optimized for look-up by concurrent threads.
d. When the same key has been inserted more than once.
Answers
A situation where there would be multiple key hashes in one bucket is where there has been a hash collision. The correct answer is b.
A Hash Map uses a hash function to map keys to indices in an array, called "buckets", where the corresponding values can be found. When multiple keys have the same hash value, they are said to have experienced a "hash collision". These keys are then mapped to the same index, or "bucket" in the array, resulting in multiple key-value pairs being stored in the same bucket. This can occur due to the nature of the hash function or due to the number of keys used in the Hash Map being larger than the number of buckets. Collision resolution techniques are used to handle these cases.
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HTTP is a stateless protocol, which defines ____________
A. client opens a program on user computer
B. server runs a code and saves it on its drive
C. information is formatted before floating it over the network
D. URL is sent back to the client
Answers
Since HTTP is a stateless protocol, each time a client requests a webpage from a web server, a new connection must be established with the web server.
Why is HTTP a stateless protocol?HTTP is said to as a stateless protocol since each request is handled separately from those that came before it. As a result, when a transaction is finished, the browser and server's connection is also severed.
What is the HTTP protocol's mode of operation?The HTTP protocol can be used to retrieve resources such as HTML documents. It is a client-server protocol, which implies that the recipient, who is typically the Web browser, initiates all requests for data transmission over the Internet.
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Task Summary Actions you were required to perform: Reconfigure the DHCP server with 192.168.0.5 as the default gateway Verify that the Support workstation can communicate with the Internet Verify that the Office2 workstation can communicate
Answers
Verify the computer's internet and local network connections as Using a Cat5e Ethernet cable, join the PC to the cable modem.
How can two computers on different networks connect with one another?Step 1: Use an Ethernet wire to connect two computers. Step 2: Open the Network and Sharing Center by selecting Start > Control Panel > Network and Internet. Step 3: In the upper-left corner of the window, select the option Change Advanced Sharing Settings. Turn on file sharing in step four.
How do I communicate with two different devices?Bluetooth Sockets can be used to connect to them via Bluetooth. The documentation on the Android developer website is pretty decent. You can also utilize standard sockets if you'd prefer (and both devices are connected to the internet).
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How to fix "files required to play gta online could not be downloaded"?
Answers
This error message typically appears when there is a problem with the files required to play Grand Theft Auto (GTA) Online on a computer or gaming console. Here are a few troubleshooting steps that may help fix the problem
Check your internet connection.Restart the game.Clear the cache.Check for updates.Check for server status.Reinstall the game.Make sure your device is connected to the internet and that you have a stable connection. Close the game and restart it to see if that fixes the issue. Clear the cache on your console or computer to make sure that the game is using the most recent files. Make sure that you have the latest update for the game installed. Check the official Rockstar Games Social Club website to see if the servers are down for maintenance or experiencing technical issues. If none of the above steps work, try uninstalling and reinstalling the game. This will delete all the game files, but will also ensure that the game is running the latest version and that all files are present.
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which hardware components are controlled by the hypervisor?
Answers
The hypervisor controls and manages the hardware resources of the physical host machine, such as CPU, memory, storage, and network interfaces. It allocates these resources to each VM as needed, and ensures that each VM is isolated from the others, so that one VM cannot affect the performance or stability of another.
A hypervisor, also known as a virtual machine manager, is software that creates and manages virtual machines (VMs). These VMs are essentially software-based versions of physical computers that can run their own operating systems and applications.
The hypervisor also provides a virtualized version of the hardware interface to each VM, so that the VM's operating system and applications can interact with the hardware resources as if they were running on a physical machine. This allows multiple VMs to run on a single physical host, increasing the utilization of hardware resources and enabling more efficient use of IT infrastructure.
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A table has been created in Word, to make it more visually appealing you want to change colors of the cells in the rows/columns. Which option would you choose to do this? : Insert Table, Table Properties/Table Tools, Table Layout, Table Convert
Answers
Select Fill by clicking the arrow next to it under Table Styles on the Tables menu. Simply select Fill Effects from the Fill menu. The desired color can then be selected by clicking the Solid tab. Simply select the Gradient tab.
How can I make Word's columns and rows shaded?When adding shade to a table, first choose the desired cells. Click the Shading menu on the Table Tools Design tab (in OneNote, this is the Table Tools Layout tab).
How may the options for table styles be used to make a table more appealing?To an existing table, apply a table style. Choose any cell from the table. Pick Design. Pick the table style you want to use from the gallery of table styles. Note: Click Design to get rid of a table style.
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how do you know if you are being audited by the irs
Answers
It is to be noted that if you are being audited by the IRS, you will get a letter in the mail notifying you of the audit.
What is the IRS?The Internal Revenue Service (IRS) is the United States federal agency in charge of tax collection and the enforcement of tax laws. They are significant because they guarantee that residents and corporations pay their fair amount of taxes, which finance different government programs and services. Without the IRS, the government would struggle to pay itself and provide essential services to its citizens.
In relation to the question, the letter to indicate that you are being audited will include details on the tax year or years being audited as well as the specific concerns being investigated. It will also tell you how to book an appointment with an IRS auditor. In addition, the IRS may contact you by phone or in-person to schedule an audit.
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test form 1a answers 6th grade write the letter for the corrrect answer in the blank at the right of each equation
Answers
18, 22, 26, and alternative , is a mathematical method that adjusts a function to data and uses this function to extrapolate the missing data.
How can you tell whether a column has any missing values?You may verify if each row and column includes at least one missing value by calling any() from the isnull() result.
The fillna() method iterates over your dataset, filling any empty rows with the value you specify. The mean, median, modal, or any other value might be used.
Because the missing column contains the function’s output, we just need to evaluate the expression in the second column.
We have the following in the second row:
We start with multiplication and then go on to addition:
The steps for the third row are the same:
Last but not least:
As a result, the outputs are 18, 22, 26, and alternative C.
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In the MakeCode micro:bit reaction speed test program, what will the function
you create in the first step eventually contain?
A. Complete instructions for the user
OB. The entire reaction speed test
C. Users' survey responses
D. The total running time of the program
Answers
Any packet-switching network can handle multimedia data.
True or False
Answers
It is true that any packet-switching network can handle multimedia data.
What is packet-switching network?Packet switching network or commonly called as PSN is the transfer of small amount of data to the various networks. These data “packets” allow for faster and more efficient in data transfer. Sometimes, when a user send a data across a network, it is transferred not in one piece, but in the smaller amount of data packets. For example: the university web server sending their colleague student a webpage over the internet or their student sending an email to the university.
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Which of the following is a term that describes "a widely agreed upon set of rules that standardize
communication between machines"?
Router
E-commerce
Network
Protocol
Answers
Answer:
Protocol General
Explanation:
A widely agreed upon set of rules that standardize communication between machines.
so beautiful picture
cumulative algorithm can only be used with primitive data types: T/F
Answers
The given statement is true because a cumulative algorithm can only be used with primitive data types.
A cumulative algorithm is an algorithm that incrementally accumulates a larger value by repeatedly adding, multiplying, dividing, etc, and storing the result into a variable over and over again. The key aspect of a cumulative algorithm is a loop, and a variable declared outside the loop, the value of which is modified inside the loop. A cumulative algorithm is only used with primitive data types - which are predefined data types specifing the type and size of values of variables.
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how should you label removable media used in a scif?
Answers
Answer: With the maximum classification, date of creation, point of contact, and Change Management (CM) Control Number.
When labeling removable media used in a Sensitive Compartmented Information Facility (SCIF), The guideline that should be followed is Classification, Unique Identifier.
The label on the removable media should typically include the following information:
1) Classification: Indicate the appropriate security classification level of the information stored on the media, such as "Top Secret," "Secret," or "Confidential." This helps identify the sensitivity of the data and ensures proper handling.
2) Unique Identifier: Assign a unique identifier or label to the media, such as a serial number or barcode, for tracking and accountability purposes. This allows for easy identification and management of the removable media within the SCIF.
Therefore, When labeling removable media used in a Sensitive Compartmented Information Facility (SCIF), The guideline that should be followed is Classification, Unique Identifier.
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What order does a computer work in?
*
A) Output, Processing, Storage, Input
B) Processing, Output, Storage, Input
C) Input, Storage, Processing, Output
D) Output, Input, Storage, Processing
Answers
Answer:
C
Explanation:
Input, Storage, Processing, Output
Answer each of the following questions using the Colonial Adventure Tours data shown in Figures 1-4 through 1-8 in Chapter 1. No computer work is required.
Using the types of entities found in the Colonial Adventure Tours database (trips, guides, customers, and reservations), create an example of a table that is in first normal form but not in second normal form, and an example of a table that is in second normal form but not in third normal form. In each case, justify your answers and show how to convert to the higher forms.
Answers
Normalization is a method that helps us design relational database tables with redundant or duplicate values.
First normal form 1NF. Each attribute must have a unique name, unique value, and rows cannot be duplicated. There are no repeat groups. Second normal form 2NF. It satisfies first normal form and all non-key attributes are fully functional depending on their primary key. Third normal form 3NF. It satisfies second normal form and all non-key attributes are independent of each other or have no transitive functional dependency on the non main attribute. Create an example table in first normal form, with no repeating groups reservation ID trip date trip name start location.
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5.16 LAB: Array Palindrome
Answers
Palindrome Array Write a program that reads a list of integers from the input and determines whether the list is a palindrome (values are identical from first to last and last to first).
The entry begins with an integer indicating the length of the list that follows. Assume that the list will always contain fewer than 20 integers. Returns "yes" if the list is a palindrome and "no" otherwise. The output ends with a new line.Given an array, the task is to determine whether an array is a palindrome or not.
Examples:
Input: arr[] = {3, 6, 0, 6, 3}
Output: Palindrome
Input: arr[] = {1, 2, 3, 4, 5}
Output: Not Palindrome
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Which information does a traditional stateful firewall maintain? Select all that apply.
Packet route
Network port
MAC address
Source and destination IP address
Data content
Answers
A stateful firewall monitors all incoming and outgoing traffic and assesses it in comparison to a set of predetermined rules. The flow of traffic is stopped if it violates the regulations.
What data does a conventional stateful firewall keep?A stateful firewall is one that keeps track of every aspect of active network connections. In order to get access to a network, stateful firewalls constantly examine the entire context of traffic and data packets as opposed to discrete traffic and data packets in isolation.
What are the stateful firewalling's two primary characteristics?Stateful firewalls have a high degree of proficiency in identifying unauthorized attempts or fake messages. The robust memory keeps important network connection characteristics. For proper communication, these firewalls only require a few ports to be open.
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A main reason careers in information technology are growing faster than average is the government has provided funding to boost educational programs. It has a large customer base of people, businesses, and organizations. Large corporations have turned to computers to handle their business. The internet has become available to all communities around the world equally.
Answers
A main reason careers in information technology are growing faster than average is that large corporations have turned to computers to handle their business. As technology continues to evolve, businesses of all sizes are turning to computers and software to manage their operations, process data, and make decisions.
This has led to an increased demand for skilled professionals in the field of information technology, including programmers, developers, network administrators, and cybersecurity experts. Additionally, many organizations are also investing in digital transformation initiatives, which further drives the need for IT professionals to help design, build, and maintain the systems and infrastructure necessary to support these changes. This increased demand for IT professionals in the business sector is one of the main reasons why careers in information technology are growing faster than average.
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Answer:
C
Explanation:
Joey wants to buy a $4,000 vehicle with 10 percent down for three years at 12 percent interest. What will his monthly payment be?.
Answers
Joey's monthly payment will be approximately $131.87. For further explanation you can see below.
To calculate Joey's monthly payment, we can use the formula for an amortized loan. An amortized loan is a loan that is repaid in regular, fixed payments that include both principal and interest.
The formula for the monthly payment (M) on an amortized loan is:
M = P [ i(1 + i)^n ] / [ (1 + i)^n – 1]
Where:
P is the principal amount of the loan (the $4,000 purchase price of the vehicle)
i is the monthly interest rate (12% annual interest rate / 12 months per year)
n is the number of payments (3 years x 12 months per year)
First, we need to calculate the down payment, which is 10% of the purchase price.
10% of 4,000 = 400
So, the loan amount will be
4000 - 400 = 3600
Now we will convert the interest rate from annual to monthly.
12% / 12 = 1% or 0.01
Now we have all the values we need to calculate the monthly payment:
M = 3600 [ 0.01(1 + 0.01)^36 ] / [ (1 + 0.01)^36 – 1]
M ≈ 131.87
Therefore, Joey's monthly payment will be approximately $131.87.
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Given an ifstream object named input1, associate it with a file named winterdata.txt by opening the file for reading.
answer choices
input1. open ("winterdata.txt");
input1.close ("winterdata.txt");
Answers
Answer:
input1. open ("winterdata.txt");
Explanation:
Which 4 list types can be directly imported into quickbooks online from excel?
Answers
An Excel spreadsheet can be used to import Customer, Vendor, Items, and Chart of Accounts.
What is excel spreadsheet?A spreadsheet is a file that contains cells in rows and columns that can be used to organise, calculate, and sort data. A spreadsheet's data can include numeric values, text, formulas, references, and functions.The two most well-known spreadsheet applications available today are Microsoft Excel. When it comes to formulas and calculations, they are nearly identical. This implies that many of their characteristics are similar.When importing your products and services into QuickBooks Online, you can save time by using Excel CSV files. If you use sub-categories or sub-items, you must format your Excel file differently. Learn more about importing your goods and services.To learn more about excel spreadsheet refer to :
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How to Find an IP Address in Command Prompt
Answers
First, click on your Start Menu and type cmd in the search box and press enter. A black and white window will open where you will type ipconfig /all and press enter. There is a space between the command ipconfig and the switch of /all. Your IP address will be the IPv4 address.
Definition of IP AddressesInternet Protocol address (or abbreviated IP address) is a numeric label assigned to each device connected to a computer network that uses Internet Protocol for communication. An IP address has two main functions: host or network interface identification and location addressing.
Internet Protocol version 4 (IPv4) defines an IP address as a 32-bit number. However, due to the growth of the Internet and the depletion of available IPv4 addresses, a new version of IP (IPv6), using 128 bits for IP addresses, was standardized in 1998. IPv6 deployments have been ongoing since the mid-2000s.
IP addresses are written and displayed in human-readable notation, such as 172.16.254.1 in IPv4, and 2001:db8:0:1234:0:567:8:1 in IPv6. The address routing prefix size is specified in CIDR notation by suffixing the address with a significant number of bits, eg, 192.168.1.15/24, which is equivalent to the historically used subnet mask 255.255.255.0.
The IP address space is managed globally by the Internet Assigned Numbers Authority (IANA), and by five regional Internet registrars (RIR) who are responsible in designated areas for assignment to local Internet registries, such as Internet service providers, and other end users. IPv4 addresses were distributed by IANA to RIRs in blocks of approximately 16.8 million addresses each, but have exhausted at IANA's level since 2011. Only one of the RIRs still has a supply for local assignments in Africa. Some IPv4 addresses are reserved for private networks and are not globally unique.
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Accenture has signed a multi-year agreement to help a mobile telecom provider migrate its applications to the Cloud over a period of several years, as it seeks to implement a leaner operating model.Which activity should Accenture execute first to provide the client with an optimal Cloud solution/landscape?define a strategy and roadmapbegin migrating the client’s applicationsnegotiate pricing with the client’s preferred Cloud providerprototype new products and servicesI don't know this yet.
Answers
Sometimes it is based on a general desire to take advantage of the virtually unlimited storage of the cloud.
In other cases organizations seek to meet specific needs, such as facilitating better and more flexible work environments. Cloud migration is the process of moving a companys digital assets, services, databases, IT resources, and applications, either partially or fully, to the cloud. Immigration moving to a new country. Instead of spending thousands of dollars installing, configuring, and managing on premises servers, run your operating system and all business applications on the AWS platform for upfront. Typically, this is due to a strong business need to add features, scale, or performance that would otherwise be difficult to achieve in the application's existing environment.
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Which is the most time efficient algorithm?
Answers
Independent of the size of n, algorithms with constant time complexity run in a constant amount of time. Since their run-time is constant independent of the input data, they are the fastest algorithms currently in use.
What algorithm is the most effective?Quicksort. One of the most popular sorting algorithms is quicksort since it is also one of the most effective. The pivot number should be chosen first. With smaller numbers to its left and larger numbers to its right, this number will split the data.
Which time complexity is the most effective?When an algorithm must sequentially read all of its inputs, linear time is the best feasible time complexity.
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You need to customize how Windows Update checks for and installs updates on the ITAdmin desktop system in your organization.
Answers
When updating Windows, instal updates for other Microsoft products, Allow quality updates to be delayed by 30 days, and allow the installation of feature updates to be delayed by 60 days. Windows can be set up to automatically download manufacturer software and unique device icons.
In Windows 10, how do I configure Windows Update?To keep your computer operating efficiently and securely, Windows 10 lets you choose when and how to get the most recent updates. Select Check for Windows updates to manage your settings and view the updates that are available.
What will the operating system's newly installed devices automatically configure?A device driver must be installed in order to use a hardware component that has been installed on Windows 10 by the operating system. following configuration.
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using keyboard shortcuts, how can users save a document?
Answers
Users can save a document by pressing the Ctrl + S keyboard shortcut.
To save a document using a keyboard shortcut, first make sure the document you want to save is the active window. Then, press the Ctrl key and the S key at the same time.
This will open a dialog box prompting you to name the file and select a folder to save it in. Once you’ve selected a folder, click the “Save” button in the bottom right corner.
Your document will be saved in the folder you specified. The Ctrl + S keyboard shortcut is a useful way to quickly save your work without having to go through the “File” menu.
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location-based sync has two categories: abstract and relative.
Answers
The correct answer is Relative location. A place's relative position describes how it relates to other locations. For instance, the distance between Washington, D.C.'s Empire State Building and America's White House is 227 miles or 365 kilometres.
ReWire is a software technology developed by Propellerhead Software that enables two standalone audio apps to collaborate. This technology enables the programme to route numerous audio channels internally into the Pro Tools mixer. MTC (MIDI Time Code) is a timing sync that conveys to MIDI slave devices the precise time in hours, minutes, seconds, and frames at any given instant on the MIDI master device through a sequence of MIDI messages. a specific kind of MIDI message that is stored in a MIDI sequencer or synchronizer that instructs a connected device how many 16th notes have passed since the song's start.
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Instant Feedback Tool: 2-3 Assignment: Write a Class Listen Get instant feedback on your assignment prior to submitting it to your instructor for grading. Write a Dog java Class Feedback: Tell me how well my program meets the assignment requirements. Write a Cat java Class Feedback Tell me how well my program meets the assignment requirements, Submit your assignment to all the options as many times as you need for feedback. You will still need to submit your assignment in the numbered item below.
Answers
You will examine a diagram of UML classes and construct either the Cat of Dog class in this activity.
Why do I require Java, and what is it?Java is a programming language used by programmers to create programmes for laptops, data centres, gaming systems, scientific supercomputers, mobile phones, and other gadgets. According to the Forbes list, which ranks the popularity of programming languages, Java is the third most used programming language in the world, after Python and C.
Why is Java so popular?Java may be used to build full apps that can be deployed among clients and servers in a network or run on a windows machine. As a result, users can use it to quickly create mobile applications or desktop programmes that run on programmes that use various servers and operating systems.
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this code is not working like i expect — how do i fix it?
resultWorkerErr := make(chan error)
defer close(resultWorkerErr)
go func() {
defer cancel()
resultWorkerErr <- b.resultWorker(ctx)
}()
err := b.worker(ctx)
cancel()
if err == nil {
return <-resultWorkerErr
}
return multierror.Append(err, <-resultWorkerErr)
Answers
Answer:
Try to work at it a lil more and make sure to use test beds. Check the code for any typos and try to correct them. what is your code for?
The example of the code that can be working in the given condition is in explanation part.
What is programming?Computer programming is the process of writing code that instructs a computer, application, or software program on how to perform specific actions.
Here's an example:
var wg sync.WaitGroup
wg.Add(2)
var workerErr, resultWorkerErr error
go func() {
defer wg.Done()
resultWorkerErr = b.resultWorker(ctx)
}()
go func() {
defer wg.Done()
workerErr = b.worker(ctx)
}()
wg.Wait()
if workerErr != nil {
return multierror.Append(workerErr, resultWorkerErr)
}
return resultWorkerErr
Thus, this code starts two goroutines to run b.resultWorker(ctx) and b.worker(ctx) concurrently
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A set of instructions or actions in order meaning that each action follows a previous action.
A programming structure that repeats a sequence of instructions as long as a specific condition is true.
This involves a choice (IF-THEN-ELSE).
1.
Sequence
2.
Selection
3.
Iteration (looping)
Answers
Answer:3. Iteration (looping)
Explanation: