Computers And Technology High School
Answers
Answer 1
The given problem requires two different Python functions named "print square" and "is magic". Both of these functions will be taking a two-dimensional list representing a 3 by 3 grid of numbers as an argument. Let's understand these functions one by one.1. print square functionThe "print square" function takes a two-dimensional list representing a 3 by 3 grid of numbers as its argument and prints the grid showing the numbers in the square. The following is the Python code for the "print square" function def print_square(list2D): for row in list2D: for element in row: print(element, end = ' ') print('\n') print_square([[1, 2, 3], [4, 5, 6], [7, 8, 9]]) The output of the above code is as follows:1 2 3 4 5 6 7 8 9 2. is magic function The "is magic" function takes a similar two-dimensional list of numbers as its argument and returns the boolean value true if the argument represents a lo shu magic square and false otherwise. The following is the Python code for the "is magic" function:def is_magic(list2D): # calculate the sum of first row and use it as reference ref_sum = sum(list2D[0]) # check if all rows have same sum if sum(list2D[1]) == ref_sum and sum(list2D[2]) == ref_sum: # check if all columns have same sum if (list2D[0][0] + list2D[1][0] + list2D[2][0] == ref_sum and list2D[0][1] + list2D[1][1] + list2D[2][1] == ref_sum and list2D[0][2] + list2D[1][2] + list2D[2][2] == ref_sum): # check if both diagonals have same sum if (list2D[0][0] + list2D[1][1] + list2D[2][2] == ref_sum and list2D[0][2] + list2D[1][1] + list2D[2][0] == ref_sum): return True else: return False else: return FalseThe above code checks if the argument represents a lo shu magic square and returns the boolean value accordingly.
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Related Questions
When data is only stored in one place in a database, the database conforms to the rules of ___________.
-Reduction
-Normality
-Multiplication
-Normalization
Answers
When data is only stored in one place in a database, the database conforms to the rules of normalization.
Normalization refers to the process of organizing data in a database. This process eliminates redundancy and dependency, resulting in a more organized and efficient database. It helps to ensure that the data is consistent and accurate in the long run.
Normalization is a set of guidelines for structuring databases to reduce data redundancy and ensure data integrity. The database must comply with the laws of normalization in order to minimize data redundancy and maintain data integrity. It is referred to as a standard data organization technique because it is both a standard and a methodology. The goal of normalization is to build a reliable, flexible, and easy-to-maintain database by standardizing the data structure. In conclusion, when data is only stored in one place in a database, the database conforms to the rules of normalization.
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write a function called halfsum that takes as input a matrix and computes the sum of its elements that are in the diagonal and are to the right of it. the diagonal is defined as the set of those elements whose column and row indexes are the same. in other words, the function adds up the element in the upper triangular part of the matrix. the name of the output argument is summa.
Answers
Here's the Python function halfsum that takes a matrix as input and computes the sum of its upper-triangular elements:
def halfsum(matrix):
rows = len(matrix)
cols = len(matrix[0])
summa = 0
for i in range(rows):
for j in range(i+1, cols):
summa += matrix[i][j]
return summa
Here's an explanation of how this function works:
We start by getting the number of rows and columns in the matrix using the len() function.
We initialize a variable called summa to 0. This variable will store the sum of the upper-triangular elements in the matrix.
We use a nested loop to iterate over all the elements in the matrix that are above the main diagonal. The outer loop iterates over the rows, and the inner loop iterates over the columns.
In each iteration of the inner loop, we check whether the column index is greater than the row index. If it is, then we have an element in the upper triangular part of the matrix, so we add it to summa.
After all the elements in the upper triangular part of the matrix have been summed, we return the value of summa.
Note that this function assumes that the input matrix is a rectangular 2-dimensional list, where all rows have the same number of columns. If the input matrix is not rectangular or has different numbers of columns in different rows, this function may not work correctly.
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when a computer wants to use public key cryptography to send data securely to another computer, those computers need to start a multi-step exchange of information. what is the first information exchanged? choose 1 answer: choose 1 answer: (choice a) the two computers share their administrative passwords with each other. a the two computers share their administrative passwords with each other. (choice b) the sending computer sends along an un-encrypted version of the data. b the sending computer sends along an un-encrypted version of the data. (choice c) the sending computer sends along metadata about the data, like its length and content type. c the sending computer sends along metadata about the data, like its length and content type. (choice d) the two computers send their private keys to each other. d the two computers send their private keys to each other. (choice e) the two computers send their public keys to each other. e the two computers send their public keys to each other.
Answers
Administrative passwords are used to protect vital files and systems, and should only be given to authorized personnel. Administrative passwords are not exchanged between computers during the key exchange process in public key cryptography.
The first information exchanged when a computer wants to use public key cryptography to send data securely to another computer is the two computers send their public keys to each other. What is cryptography Cryptography is a security process that uses mathematical algorithms and protocols to protect data transmission and protect data stored on various devices, both hardware, and software. Cryptography ensures that only the sender and the intended recipient can read and access the data. The first step in the use of public key cryptography is for the two computers to exchange public keys. This is known as a "key exchange."What are administrative passwords Administrative passwords, also known as "superuser" passwords, are used to gain access to a computer's admin-level features.
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lauren wants to be a blogger but uses a chromebook for writing posts and uploading them to the website. if she has an internet connection, what software can help her do her work? group of answer choices venmo zoho writer openoffice writer prezi app
Answers
The software that can help Lauren do her work is Zoho Writer. As she wants to be a blogger but uses a Chromebook for writing posts and uploading them to the website, Zoho Writer will be the right choice for her to work on her tasks. Explanation:
Zoho Writer is an online word processor that helps users create, share, and collaborate on documents anytime, anywhere. It provides a clutter-free writing environment, and the interface is simple and intuitive, which makes it easy to use. It is a web-based application that is compatible with all modern browsers and platforms. It is designed to work seamlessly with Chromebooks, so Lauren can use it to write her blog posts and upload them to the website.
Therefore, the correct answer is Zoho Writer.
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Match each virtualization component on the left with the appropriate description on the
right. Each type of component may be used once, more than once, or not at all.
-Provides the hardware necessary to create a virtualized environment.
Host machine
-A thin layer of software that resides between the virtual machine and hardware.
Hypervisor
-A software implementation of a computer.
Virtual machine
-A file created to store data.
Virtual hard disk
-Allows virtual machines to interact with hardware.
Hypervisor
Answers
To answer the given question, you need to match each virtualization component on the left with the appropriate description on the right. Each type of component may be used once, more than once, or not at all.
The correct matches for each virtualization component are as follows:
Host machine - Provides the hardware necessary to create a virtualized environment.
Hypervisor - A thin layer of software that resides between the virtual machine and hardware.
Virtual machine - A software implementation of a computer.
Virtual hard disk - A file created to store data.
The Hypervisor component - allows virtual machines to interact with hardware. It is a software layer that runs on the host machine and creates a virtual environment in which the virtual machine can operate. The virtual machine itself is a software implementation of a computer that runs inside the hypervisor, while the virtual hard disk is a file used to store data for the virtual machine. The host machine provides the hardware resources necessary to create the virtual environment, including CPU, memory, and storage.
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Assume process P0 and P1 are the process before and after a context switch, and PCB0 and PCB1 are respectively their process control block. Which of the following time units are included inside the dispatch latency? A) P0 executing B) save state into PCB0, and restore state from PCB1 C) P1 executing D) all of the above
Answers
The time units are included inside the dispatch latency. Dispatch latency refers to the time taken to perform a context switch, which involves saving the current process state (in this case, P0's state) into its corresponding PCB (PCB0) and loading the saved state of the next process (in this case, P1's state) from its PCB (PCB1). Once the state has been restored, the next process (P1) can execute. Therefore, options A, B, and C are all included in the dispatch latency. the correct option is D All of the above
In a multitasking operating system, a context switch refers to the process of saving the current state of a process that is being executed and restoring the state of another process to be executed on the CPU. The time taken to perform this context switch is known as dispatch latency.
The options given in the question refer to the steps involved in a context switch. P0 executing refers to the time taken for the current process to complete its execution before a context switch occurs. Save state into PCB0 and restore state from PCB1 refer to the process of saving the current state of P0 in its process control block (PCB0) and restoring the state of P1 from its process control block (PCB1). P1 executing refers to the time taken by the newly scheduled process to execute after the context switch.
Therefore, all of the given options (A, B, and C) are included inside the dispatch latency.
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Users are complaining that they are unable to browse certain websites on the Internet. An administrator can successfully ping a web server via its IP address, but cannot browse to the domain name of the website. Which troubleshooting tool would be most useful in determining where the problem is?
netstat
tracert
nslookup
ipconfig
Answers
In this case, "nslookup" would be the troubleshooting tool that would be most helpful in identifying the problem's location. The Domain Name System (DNS) can be queried using the command-line utility nslookup to learn how to translate domain names to IP addresses.
A web server is a piece of software that runs on a computer and is in charge of distributing content via the internet, including web pages. Receiving requests from web browsers and responding with the desired material in the form of web pages, photos, or other multimedia files is the main responsibility of a web server. Web servers like Apache, Nginx, and Microsoft IIS are frequently used. Web servers are set up to serve particular websites or web applications and frequently interface with web browsers using the HTTP protocol. They can also support various protocols for email, file transfers, and other uses, like FTP, SMTP, and POP3. Depending on the requirements of the application, web servers can be configured for varying degrees of security, performance, and scalability.
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Assume that the int variables i and j have been declared, and that n has been declared and initialized. Using for loops (you may need more than one), write code that will cause a triangle of asterisks of size n to be output to the screen. For example, if n = 3, the triangle is as follows:
Answers
Assuming the int variables i and j have been declared and n has been declared and initialized, you can use the following code to output a triangle of asterisks of size n to the screen:
for (i = 0; i < n; i++) {
for (j = 0; j <= i; j++) {
System.out.print("*");
}
System.out.println();
}
Lets discuss this code more in detail.
This code uses two loops to output the triangle: the outer loop is used to control the number of rows while the inner loop is used to print the correct number of asterisks on each row. This will produce a triangle of asterisks of size n on the screen.
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Which of the following two commands can be used to add custom log file entries to the journald database? (Choose two.)A. mklogB. systemd-catC. loggerD. systemd-makeE. logentry
Answers
Answer:
A. mklog
C. logger
Explanation:
HIPAA has electronic transaction standards which must be followed to be compliant. Which one of the following is a series of fixed length records used to bill services such as those performed in a hospital or inpatient setting?a. Encryption b. National standard format c. ANSI standardsd. UB-04 flat file
Answers
The series of fixed length records used to bill services such as those performed in a hospital or inpatient setting is called the UB-04 flat file.
UB-04 is a national standard format developed by the National Uniform Billing Committee (NUBC) for electronic submission of healthcare claims to Medicare and other third-party payers in the United States. It is one of the transaction standards required by HIPAA for electronic healthcare transactions.
Encryption is a method used to protect electronic health information from unauthorized access, while ANSI (American National Standards Institute) standards refer to various standards for electronic data interchange in healthcare.
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Fill in the blank: ____ is a category of cloud hosting where vendors provide a bare server computer, data storage, network, and virtualization.
Answers
Cloud server hosting is a category of cloud hosting where vendors provide a bare server computer, data storage, network, and virtualization.
The category ofcloud hostingwhere vendors provide hosted computers with an operating system, runtime environment, and middleware like a web server or a DBMS isInfrastructure as a Service (IaaS).The vendor is responsible for the maintenance and management of the underlying hardware and infrastructure, while the user is responsible for managing the operating system, middleware, and applications.
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which of the following statements can you use to discard any data that remains in the buffer? a.cin.ignore(numeric limits::all, '\n'); b.cin.discard(numeric limits::max, '\n'); c.cin.ignore(numeric limits::max, '\n'); d.cin.discard(numeric limits::all, '\n');
Answers
cin.ignore(numeric limits::max, '\n') is the statement which is used to discard any data that remains in the buffer. The cin.ignore function takes two arguments: the first is the number of characters to ignore, and the second is the character to stop at.
In C++, the cin stream extraction operator is used to read input from the standard input stream. The input can be a single variable, such as an int, or multiple variables, such as an int and a char. When the extraction operator is used to read input, the newline character that follows the input is left in the buffer, which can cause issues if another input operation is performed. Therefore, the statement that can be used to discard any data that remains in the buffer is "c. cin.ignore(numeric limits::max, '\n')."
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the specific location in an electronic data file where a row and a column meet is referred to as what
Answers
The specific location in an electronic data file where a row and a column meet is referred to as a cell.
A cell is a location in a spreadsheet program that is used to store data. It is the intersection of a column and a row. It is used to represent a single item of data, which could be a number, text, formula, or other data type. Every cell in an electronic data file is identified by a unique cell reference that specifies the column and row where the cell is located.In Microsoft Excel, each cell is identified by a cell address that contains a column letter and a row number. For instance, cell A1 is located in the first column and first row. The column letters range from A to Z and then continue with AA, AB, AC, and so on. The row numbers range from 1 to 1,048,576.The cell address is used to reference a cell in formulas, functions, and other calculations. It is also used to navigate to a specific cell in a worksheet. In addition, a cell can be formatted to adjust the display of the data it contains.
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1.5.1 Show the contents of the id[] array and the number of times the array is accessed for each input pair when you use quick-find for the sequence
9-0 3-4 5-8 7-2 2-1 5-7 0-3 4-2.
1.5.2 Do Exercise 1.5.1, but use quick-union (page 224). In addition, draw the forest of trees represented by the id[] array after each input pair is processed.
1.5.3 Do Exercise 1.5.1, but use weighted quick-union (page 228).
----------------------------------------------------------------------------------------
Below is the- quick-find, quick-union, and weighted quick-union. This should be all that�s required in order to complete. Please advise if I am missing something
Quick-find
public int find(int p)
{ return id[p]; }
public void union(int p, int q)
{ // Put p and q into the same component.
int pID = find(p);
int qID = find(q);
// Nothing to do if p and q are already
in the same component.
if (pID == qID) return;
// Rename p�s component to q�s name.
for (int i = 0; i < id.length; i++)
if (id[i] == pID) id[i] = qID;
count--;
}
-----------------------------------------------------------------------------------------
Quick-union
private int find(int p)
{ // Find component name.
while (p != id[p]) p = id[p];
return p;
}
public void union(int p, int q)
{ // Give p and q the same root.
int pRoot = find(p);
int qRoot = find(q);
if (pRoot == qRoot) return;
id[pRoot] = qRoot;
count--;
}
--------------------------------------------------------------------------------------------
Weighted Quick-Union
public class WeightedQuickUnionUF
{
private int[] id; // parent link (site indexed)
private int[] sz; // size of component for roots (site indexed)
private int count; // number of components
public WeightedQuickUnionUF(int N)
{
count = N;
id = new int[N];
for (int i = 0; i < N; i++) id[i] = i;
sz = new int[N];
for (int i = 0; i < N; i++) sz[i] = 1;
}
public int count()
{ return count; }
public boolean connected(int p, int q)
{ return find(p) == find(q); }
private int find(int p)
{ // Follow links to find a root.
while (p != id[p]) p = id[p];
return p;
}
public void union(int p, int q)
{
int i = find(p);
int j = find(q);
if (i == j) return;
// Make smaller root point to larger one.
if (sz[i] < sz[j]) { id[i] = j; sz[j] += sz[i]; }
else { id[j] = i; sz[i] += sz[j]; }
count--;
}
Answers
Using quick-find:
Input: 9-0
id[]: 0 1 2 3 4 5 6 7 8 9
Accesses: 22
Input: 3-4
id[]: 0 1 2 4 4 5 6 7 8 9
Accesses: 44
Input: 5-8
id[]: 0 1 2 4 4 8 6 7 8 9
Accesses: 66
Input: 7-2
id[]: 0 1 2 4 4 8 6 2 8 9
Accesses: 88
Input: 2-1
id[]: 0 1 1 4 4 8 6 1 8 9
Accesses: 110
Input: 5-7
id[]: 0 1 1 4 4 1 6 1 1 9
Accesses: 132
Input: 0-3
id[]: 4 1 1 4 4 1 6 1 1 9
Accesses: 154
Input: 4-2
id[]: 1 1 1 1 1 1 6 1 1 9
Accesses: 176
Using quick-union:
Input: 9-0
id[]: 0 1 2 3 4 5 6 7 8 0
Accesses: 2
Input: 3-4
id[]: 0 1 2 4 4 5 6 7 8 0
Accesses: 4
Input: 5-8
id[]: 0 1 2 4 4 5 6 7 4 0
Accesses: 6
Input: 7-2
id[]: 0 1 2 4 4 5 6 2 4 0
Accesses: 8
Input: 2-1
id[]: 0 1 1 4 4 5 6 2 4 0
Accesses: 4
Input: 5-7
id[]: 0 1 1 4 4 5 6 1 4 0
Accesses: 6
Input: 0-3
id[]: 4 1 1 4 4 5 6 1 4 0
Accesses: 20
Input: 4-2
id[]: 1 1 1 1 1 5 6 1 4 0
Accesses: 4
Using weighted quick-union:
Input: 9-0
id[]: 0 1 2 3 4 5 6 7 8 0
sz[]: 2 1 1 1 1 1 1 1 1 2
Accesses: 2
Input: 3-4
id[]: 0 1 2 4 4 5 6 7 8 0
sz[]: 2 1 1 2 1 1 1 1 1 2
Accesses: 2
Input: 5-8
id[]: 0 1 2 4 4 5 6 7 4 0
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Which of the following is not a question that should be asked when planning a Windows Server 2019 installation?
a. What are the storage needs of the server?
b. Who will be supporting the server?
c. How many users are expected to connect to the server?
d. What services will the server run?
Answers
The question that should not be asked when planning a Windows Server 2019 installation is "Who will be supporting the server?" Thus, Option B is correct.
The question of who will be supporting the server is not relevant to the planning of a Windows Server 2019 installation. The focus should be on technical requirements such as storage needs, expected number of users, and services that the server will run. This information will inform decisions about hardware requirements, network configuration, and security considerations.
While it is important to consider the support structure for the server after it is installed, this is not a question that should be asked during the planning phase. Therefore, Option B holds true.
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according to the class lecture, what is a characteristic of premium cable service? group of answer choices
a. they include channels like mtv, cnn, and comedy central. b.they tend to be part of a less expensive package from cable companies.
c. they include local television stations as well as regional pbs stations. d.they cost more but generally offer newer movies and little or no advertising.
Answers
The characteristic of premium cable service is that " they cost more but generally offer newer movies and little or no advertising". Therefore, the correct option is D.
A premium cable service is a type of television network that delivers content to its subscribers via cable television. These channels typically require a subscription fee that is higher than basic cable because they offer exclusive programming that cannot be found on broadcast or basic cable networks. Premium cable networks often broadcast movies that have just been released on DVD or are still in theaters.
Premium cable networks offer a variety of content, such as exclusive TV shows, live sports events, and movies. They generally offer little or no advertising because the subscription fees paid by the viewers are usually sufficient to cover the cost of producing and airing the content. So, option D is the correct answer.
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In a database, a ________ stores data in rows and columns.
Answers
In a database, a table stores data in rows and columns.
In a database, a table is a structured collection of data organized into rows and columns. Each column represents a specific attribute or field, and each row represents a unique record or instance of that data.
Tables are the basic building blocks of a relational database management system (RDBMS), and they provide an efficient way to store, retrieve, and manipulate large amounts of data.
Tables can be used to store various types of data, such as customer information, product data, transaction details, and more. The columns of a table are defined by a schema, which specifies the data type and constraints of each column, and the rows contain the actual data values.
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your ldap directory-services solution uses simple authentication. what should you always do when using simple authentication?
Answers
When using simple authentication with your LDAP (Lightweight Directory Access Protocol) directory-services solution, you should always encrypt the connection. This is because simple authentication sends the user's credentials (username and password) in plain text, which can be intercepted and misused.
To ensure secure authentication, follow these steps:
1. Set up an SSL/TLS (Secure Sockets Layer/Transport Layer Security) certificate for your LDAP server to encrypt the connection.
2. Configure your LDAP client to use a secure connection (ldaps://) when connecting to the server.
3. Ensure that your LDAP server and clients are using the correct encryption protocol and cipher suites for secure communication.
4. Regularly update your SSL/TLS certificates and monitor for any potential security issues.
By taking these precautions, you can maintain secure authentication while using simple authentication with your LDAP directory-services solution.
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1. an imaging department receives paper documents they scan and save on server d. the current process by the department is to shred these paper documents at 5:00 pm the day after the documents are scanned. these paper documents have retention requirements and these documents would be difficult or impossible to reproduce if lost. what is a reasonable assumption for the rpo for server d? please
Answers
The imaging department receives paper documents which they scan and save on server D.
These paper documents have retention requirements and the department shreds them at 5:00 pm the day after they are scanned. It is important to note that the paper documents would be difficult or impossible to reproduce if lost. In order to determine a reasonable assumption for the RPO (Recovery Point Objective) for server D, we need to consider the time frame in which the documents are retained on the server before they are shredded. The RPO refers to the maximum amount of data loss that can be tolerated in the event of a disaster or system failure. Given that the paper documents are shredded the day after they are scanned, it is reasonable to assume that the RPO for server D is 24 hours. This means that in the event of a disaster or system failure, the maximum amount of data loss that can be tolerated is one day's worth of scanned documents. However, it is important to note that if the retention requirements for these paper documents exceed 24 hours, a more stringent RPO may need to be considered. In this case, it may be necessary to implement additional backup and recovery measures to ensure that the data is protected and can be recovered in the event of a disaster. A reasonable assumption for the RPO for server D would be 24 hours based on the current process of shredding the paper documents the day after they are scanned.
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Which form of virtualization does not virtualize the hardware?
Full virtualization
Partial virtualization
Paravirtualization
Hypervisor
Answers
The form of virtualization that does not virtualize the hardware is Paravirtualization. Paravirtualization is a type of virtualization that involves a software interface that sits between the guest system and the underlying hardware. This software interface does not virtualize the hardware, but instead provides the guest system with a simplified interface to access the hardware resources.
Virtualization is a technology that enables several operating systems (OSs) to run on a single physical machine at the same time. Virtualization allows for increased use of physical hardware by simulating computer hardware systems using software. Paravirtualization is a method that virtualizes operating systems instead of hardware components. In paravirtualization, the OS of the virtual machine knows that it is running in a virtual environment and uses special instructions to communicate with the host OS. Because the virtualized OS does not communicate with the hardware, it is known as "paravirtualized" virtualization. Paravirtualization is an approach to virtualization that optimizes hardware usage.
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Question 2
An engineer is writing a web application that requires some user input. The engineer has put a submit button on their page and now needs a way for their program to recognize when the button has been clicked.
The engineer should add a(n) __________ to their JavaScript.
third-party API
event listener
else if statement
for loop
Answers
When the submit button is pressed, the engineer should add an event listener to their JavaScript. A JavaScript method called an event listener watches for a particular event to happen.
Can I add a JavaScript event listener to a button?
Any HTML DOM object, including HTML elements, the HTML document, the window object, and other objects that enable events, such as the xmlHttpRequest object, can have event listeners added using the addEventListener() method.
How can we add an event listener to JavaScript that is running in a browser?
The addEventListener method adds the function or object that implements EventListener to the EventTarget's list of event listeners for the supplied event type ().
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which of the following is a disadvantage to web sharing? group of answer choices hand gestures are not visible participants can all look at the same document together a presenter can share a video with others in the meeting
Answers
The disadvantage of web sharing is that hand gestures are not visible.
What is Web Sharing?Web Sharing refers to the sharing of web content or pages via the Internet. It enables a person to share a web page from one computer to another over the internet. This is an effective way to provide support to remote clients, to allow collaboration between remote teams, or to share information with a geographically dispersed audience.Below is the list of all options and their respective answers:Hand gestures are not visible. (Correct Option)Participants can all look at the same document together.A presenter can share a video with others in the meeting.
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Which method or operator can be used to concatenate lists? A. *B. + C. % D. concat
Answers
Answer: The answer is: +
Explanation:
In Python, you can concatenate lists using the + operator.
You are the administrator of your company's network. You want to prevent unauthorized access to your intranet from the Internet. Which of the following should you implement?
Firewall
Answers
As an administrator of a company's network, if you want to prevent unauthorized access to your intranet from the internet, the appropriate measure to take is implementing a Firewall.
A firewall is a type of network security device that acts as a barrier between an internal network and an external network. It functions as the first line of defence in protecting against external attacks and unauthorized access. Firewalls can be hardware, software, or a combination of the two.
A firewall can be programmed to restrict access to unauthorized users, prevent malicious traffic from entering the network, and only allow authorised traffic to pass through. Firewalls can be programmed to limit access to sensitive data, such as the intranet, which is restricted to internal company employees only. Therefore, by implementing a firewall, you can prevent unauthorized access to your intranet from the Internet.
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use the quick analysis tool to apply the data bars conditional formatting option to the selected cells.
Answers
One can use the Quick Analysis tool to apply the Data Bars conditional formatting option to the selected cells. Here are the steps to do so:Select the cells that need to be formatted.
Click on the Quick Analysis tool that appears at the bottom right of the selected cells, which looks like a small button with a lightening symbol. Alternatively, one can also use the keyboard shortcut key combination of Control + Q.Select the Formatting option from the Quick Analysis toolbar that appears.Click on the Data Bars option from the Formatting options list that appears.The Data Bars conditional formatting will now be applied to the selected cells, displaying them as bars in proportion to their values
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FILL IN THE BLANK. the program of __ involves placing students in two or three groups within a class to take into account differences in students' abilities.
Answers
The program of ability grouping involves placing students in two or three groups within a class to take into account differences in students' abilities.
Ability grouping is a system that groups students together based on their academic skills and abilities, in which students are placed in classes that best match their skills. Ability grouping aims to improve the quality of learning outcomes by allowing students to learn at their own pace, work on tasks that are appropriately challenging, and receive instruction tailored to their individual needs.
Ability grouping can be carried out in a variety of ways, including tracking, acceleration, enrichment, and remediation. The goal of this technique is to increase the quality of learning by matching students with coursework and instruction that are appropriate for their skill levels.
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True/False: if a developer is creating an app specifically for ios mobile devices, is it important to test an app experience on all common mobile platforms
Answers
If a developer is creating an app specifically for ios mobile devices, is it important to test an app experience on all common mobile platforms, the given statement is False.
When developing an app specifically for iOS mobile devices, it is important to ensure that the app works well and provides a good user experience on different iOS devices such as iPhones and iPads with different screen sizes and running different versions of iOS. This is because there are variations in hardware and software across different iOS devices that may affect how the app performs and how it is displayed to the user.
However, it is not necessary to test the app on all common mobile platforms such as Android, Windows, or other operating systems. This is because these platforms use different programming languages, development tools, and user interface guidelines, which means that developing an app that works well on one platform may not necessarily work well on another.
Therefore, if the developer is creating an app specifically for iOS mobile devices, they should focus on testing the app on various iOS devices to ensure that it works well and provides a good user experience for iOS users. This will help to ensure that the app meets the needs of the target audience and is more likely to be successful on the iOS platform.
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You have four switches, A, B, C, and D. SwitchAis connected to SwitchCand SwitchBis connected to Switch D. Furthermore, SwitchAandBare
connected and SwitchCandDare connected. One of the connections is in blocking mode. What protocol must be running on the switches?
a. RIP
b. SNMP
c. NTP
d. STP
Answers
The protocol that must be running on the switches in this scenario is STP (Spanning Tree Protocol).
STP is a protocol used in network bridges to prevent loops in the network topology. In this scenario, the network topology includes four switches, A, B, C, and D, with Switch A connected to Switch C and Switch B connected to Switch D. Additionally, Switch A and B are connected and Switch C and D are connected.
Since one of the connections is in blocking mode, it's possible that a loop has been created in the network. To prevent this, STP must be running on the switches to ensure that there is no redundancy in the network topology and that only one path is used to reach each destination.
RIP (Routing Information Protocol) is a protocol used to exchange routing information between routers, SNMP (Simple Network Management Protocol) is used for network management and monitoring, and NTP (Network Time Protocol) is used for time synchronization. While these protocols are important in networking, they are not relevant to the issue of preventing loops in the network topology, which is the primary concern in this scenario.
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Which of the following does not properly nest control structures?
answer choices
O for i in range(3):
for j in range(6):
print(j)
O for i in range(3):
if i > 2:
break
else:
print(i)
O count = 0
if count < 10:
for i in range(3):
print(count)
count = count + 1
O count = 10
for i in range(3):
if count > 0:
print(i)
else:
print(count)
Answers
Answer:
The option that does not properly nest control structures is:
```
count = 0
if count < 10:
for i in range(3):
print(count)
count = count + 1
```
The `if` statement is not properly nested within the `for` loop. As it is currently written, the `if` statement will only be evaluated once, before the `for` loop executes. This means that if `count` is less than 10 initially, then the `for` loop will always execute three times, regardless of the value of `count`.
To properly nest the control structures, the `if` statement should be inside the `for` loop, like this:
```
count = 0
for i in range(3):
if count < 10:
print(count)
count = count + 1
else:
break
```
This way, the `if` statement is evaluated for each iteration of the `for` loop, and the loop will terminate if `count` becomes larger than 10.
write a c recursive function that counts the number of nodes in a singly linked list. do not modify the list.
Answers
Until it reaches the end of the list, the function repeatedly calls itself with the next node (i.e., the last node whose next field is NULL). The total number of nodes in the list is then returned.
What is the singly linked list reversal recursive algorithm?
Write a recursive C function that counts the nodes in a single linked list as the result of the image. Please don't alter the list, A linked list can be reversed using a simple recursive method; all we need to do is divide the linked list into two sections, the first node and the remaining linked list.
countNodes(head, struct Node*) If the head is NULL, return 0; otherwise, return 1 plus countNodes(head->next);
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