Answer:
Following are the code to the given question:
public class Main//defining a class Main
{
static int permut(int n, int r)//defining a method permut that holds two variable
{
return fact(n)/fact(n-r);//use return keyword to return calcuate value
}
static int fact(int n)//defining a fact method as recursive to calculate factorials
{
return n==0?1:n*fact(n-1);//calling the method recursively
}
public static void main(String[] abs)//main function
{
//int n=7,r=4;//defining integer variable
System.out.println(permut(7,4));//use print method to call permut method and print its values
}
}
Output:
840
Explanation:
Following is the explanation for the above code.
Defining a class Main.Inside the class two methods, "permut and fact" were defined, in which the "permut" accepts two values for calculating its permutated value, and the fact is used for calculates factorial values recursively. At the last, the main method is declared, which uses the print method to call "permut" and prints its return values.Example modify students,html and students.php files. Then using the northwindmysql database, orders table, and order_details table. Develop a configure.php file, a HTML page file called exam.html, and a PHP page file called exam.php . The HTML page file would show OrderID, Count, Total, EmployeelD, and a submit button. Send OrderID to the PHP file. The PHP page file receives the OrderID. Calculates a count of records found, as Records. Calculate a sum total of this order as Total. Total = (UnitPrice multiplied by Quantity) for all products. Return OrderID, Records, Order Total, EmployeelD to HTML page file. Display on the HTML page file the received PHP values.
The HTML page file, the received PHP values. The codes are written below.
What is coding?Coding is making a program by using codes.
"<!DOCTYPE html> <html>"
• "<head>"
."<title>Exam</title>"
."</head>"
:black_circle: <body>
. <h1>Exam</h1>
• "a form with the action "exam.php" and the method "post"
:black_circle: <label>ProductID</label>
• "input name="productID" text="text" type="text">br> • <input type="submit" value="Submit">"
"</form>"
• "</body>"
."</html>"
• "<?php"
. "$productID = $_POST['productID'];"
:black_circle: $host is defined as "localhost";
. $user = "root";
:black_circle: $password = "";
$database is set to "northwindmysql" by default;
:black_circle: $connection = mysqli connect($host, $user, $password, $database);
• $sql = "select productID, count(") as Records, sum(unitprice quantity) as Total, avg(unitprice) as avgPrice
:black_circle: where productID = $productID extracted from order details, then grouped by productID";
• $result = mysqli query($connection, $sql);
:black_circle: $row is going to be equal to mysqli fetch assoc($result);
:black_circle: $avgSale is calculated by dividing $row['Total'] by $row['Records'];
:black_circle: echo "ProductID: ". $row['productID']. "br>"; $row['productID'] = "
:black_circle: echo "Records: ". $row['Records']. "br>"; echo "Records: ". $row['Records'].";
:black_circle: echo "Total: ". $row["Total"]. "br>"; echo "Total: ". $row["Total"].";
:black_circle: echo "avgPrice: ". $row['avgPrice']. "br>"; echo "avgPrice: ". $row['avgPrice'].";
:black_circle: echo "avgSale: ".$avgSale;
Thus, the codes are written above.
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____________________ refers to malicious programs that have many different capabilities. Some might dosomething relatively harmless, such as opening files on a CD-ROM; others might be extremely destructive,perhaps destroying all of the data on a computer.
Malware, software designed to interfere with the normal functioning of a computer, consists of viruses, Trojan horses, and other destructive agents that attackers use to infect systems and networks and gain access to sensitive information. A general term for computer programs.
Is Malware a Virus or No?
All computer viruses are malware, but not all malware is a virus. Viruses are just one type of malware. You'll hear many people use the two terms interchangeably, but technically viruses and malware are not the same thing.
Can I remove malware?
Windows Security is a powerful scanning tool that finds and removes malware from your PC. How to scan your PC using Windows 10. important:
Save any open files and close apps and programs before using Windows Defender Offline.
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use the extended euclidean algorithm to find the greatest common divisor of 5,265 and 600 and express it as a linear combination of 5,265 and 600.
The following is the Euclidean algorithm for determining GCD(A,B): Since GCD(0,B)=B if A = 0, we can halt if GCD(A,B)=B. Since GCD(A,0)=A and we can halt if B = 0, GCD(A,B)=A. A is written as A = BQ+R, the quotient remainder form.
Give an example of the Euclidean algorithm.Finding the greatest common divisor of two positive integers, a and b, can be done using the Euclidean algorithm. Let me start by demonstrating the calculations for a=210 and b=45. 45 times 210 equals 4, leaving 30 as the remaining.
Extended Euclidean algorithm: Why does it function?This is a certifying method since only the gcd can satisfy the equation and divide the inputs at the same time.
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Given the declarations: struct Node Type { int data; Node Type next; 3: the following recursive function computes the sum of the components in a linked list: int Sum in / Node Type' ptr) { if (ptt = NULL) <-- Statement is missing here else return ptr->data + Sum(ptr->next); 3 What is the missing statement in the then-clause?
The return statement is absent from the code above. The return keyword in Java causes a method to return its value. When the keyword is found, the method will immediately return the value.
What is a return statement example?Returning control to the caller function puts an end to a function's execution. At the instant following the call, execution picks back up in the caller function. A value may be returned to the caller function with a return statement.
What does the return syntax mean?A return statement with an expression should be present in a function that returns values. The compiler gives a warning if an expression is missing from the return statement of a function with a non-void return type.
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Frequently, offers on websites include a button that must be clicked by the user with his or her mouse to indicate acceptance; clicking the button denotes that the offer has been accepted.
True
False
Frequently, offers on websites include a button which must be clicked by the user with his or her mouse to indicate acceptance; clicking the button denotes that offer has been accepted. (True)
What is a website?There is a virtually limitless range of websites, such as e-commerce sites, news sites, forums, graphic sites, educational sites, and so on. A website's pages typically contain a combination of text and other types of media. However, the design of a website is not constrained by any rules.
A person could make a website that is solely composed of black and white images of roses, or they could link the word "cat" to the word "mouse" on another Web page. However, a lot of websites have a standard layout with a homepage that links to different sections and content within the website.
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Which shortcut key is used to start and exit from the slide show
Answer: F5
Explanation:
in april and may of 2011, the pew research center surveyed cell phone users about voice calls and text messaging. they surveyed a random sample of 1914 cell phone users. 75% of the sample use text messaging. the 95% confidence interval is (73.1%, 76.9%). which of the following is an appropriate interpretation of the 95% confidence interval?
According to the above-mentioned survey data, we can assume that text messaging is used by between 73.1% and 76.9% of all cell phone users, with a 95% confidence interval.
What is confidence interval in data interpretation?
It is the mean of your estimate plus and minus the range of that estimate makes a confidence interval.
So, The confidence interval is range of values that, if you repeated your experiment or resampled the population in the same way, you would think your estimate to fall in a specific proportion of time.
In statistics, confidence is another word for probability. If you create a confidence interval, for instance, with a 95% level of confidence, you can be sure that 95 out of 100 times, the estimate shall lie between the upper values and lower values indicated by the confidence interval.
Typically, the acceptable level of confidence is one less than the alpha, a value you choose for your statistical test:
Level of confidence = 1 - a(alpha).
Therefore, your confidence level would be 1 0.05 = 0.95, or 95%, if you used an alpha value of p < 0.05 for statistical significance.
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Design a four-bit shift register (not a universal shift register) with parallel load using D flip-flops. (See Figs. 6.2 and 6.3.) There are two control inputs: shift and load. When shift = 1, the content of the register is shifted toward Az by one position. New data are transferred into the register when load = 1 and shift = 0. If both control inputs are equal to O, the content of the register does not change. A D 4 PC D D D A C Clock Fig. 6.2 Four-bit register with parallel load SI Serial input D D D D so Serial output CLK Fig. 6.3 Four-bit shift register 6.7 Draw the logic diagram of a four-bit register with four D flip-flops and four 4 x 1 mul- tiplexers with mode selection inputs sı and . The register operates according to the following function table. (HDL-see Problem 6.35(e), ().) 51 50 Register Operation 0 0 No change Clock Fig. 6.2 Four-bit register with parallel load SI SO Serial input D D D D Serial output CLK Fig. 6.3 Four-bit shift register 6.7 Draw the logic diagram of a four-bit register with four D flip-flops and four 4 x 1 mul- tiplexers with mode selection inputs sį and so. The register operates according to the following function table. (HDL-see Problem 6.35(e), (O).) 51 50 0 1 0 1 0 0 1 1 Register Operation No change Complement the four outputs Clear register to 0 (synchronous with the clock) Load parallel data 6.27 Using JK flip-flops: (a) Design a counter with the following repeated binary sequence: 0, 1, 2, 3, 4, 5, 6. (b) Draw the logic diagram of the counter. 2
Utilizing D Flip-Flops to Create a 4-Bit Shift Register .Use the same clock parameters (Period = 100ns and Pulse Width = 50ns) as in the previous section.
How does a D flip-flop work to create a 4-bit register? The construction of a 4-Bit Shift Register employs D flip-flops.Use the clock settings from the previous section, which are 100 ns period and 50 ns pulse width.Choose a step time of 20ns. The live digital timing diagram should be enabled.Step through 1200ns in a computer simulation.Complete Response.Four flip-flops and a related combinational circuit are used to create a four-bit counter.It can count between 0 and 2n-1, or 2n numbers.The parallel inputs, parallel outputs, J-K serial inputs, shift/load control input, and direct overriding clear of these 4-bit registers are only a few of their features.Parallel (broadside) load and shift are the registers' two modes of operation (in the direction QA and QD).To learn more about 4-Bit Shift Register refer
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Raven has been asked to configure the web server with a specific public class B IP address. Which of the following is a possible address she was given?
a. 168.192.10.172
b. 192.165.10.172
c. 172.16.172.16
d. 127.192.168.172
Raven was asked to configure a web server with a specific class B public IP address. She was given 168.192.10.172 as a possible address.
What is a public IP address?A public IP address is an IP address that is directly accessible from the internet and is assigned by your internet service provider (ISP) to your network her router. Personal devices also have private IPs. This remains hidden when connecting to the internet using the router's public IP.
What is a Class B IP address?Class B IP address contains: a 16-bit network address and a 16-bit local (host) address. The first 2 bits of the network address are used to indicate the network class and the remaining 14 bits are used for the actual network address. There are: possible network addresses (16,384) and host addresses (65,536).
Where is Class B IP used?Class B IP addresses are used for medium and large networks of companies and organizations. Supports up to 65,000 hosts on 16,000 individual networks. Class C addresses are the most common and are used in small businesses and home networks.
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Account numbers sometimes contain a check digit that is the result of a mathematical calculation. The inclusion of the digit in an account number helps ascertain whether the number is a valid one.
Write an application named CheckDigit that asks a user to enter a four-digit account number and determines whether it is a valid number.
The number is valid if the fourth digit is the remainder when the number represented by the first three digits of the four-digit number is divided by 7. For example, 7770 is valid, because 0 is the remainder when 777 is divided by 7.
If the account number is valid, output The account number is valid. If the account number is invalid output Invalid. If the account number is too short or too long output Account number invalid - it must have 4 digits.
---
PLEASE JUST COMPLETE MY CODE: I need the last part of this code completed please - If the account number is too short or too long output Account number invalid - it must have 4 digits.
Here is how you can complete the code:
account_number = input("Enter a four-digit account number: ")
if len(account_number) != 4:
print("Account number invalid - it must have 4 digits.")
exit()
if int(account_number[3]) == int(account_number[0:3]) % 7:
print("The account number is valid.")
else:
print("Invalid.")
This code first prompts the user to enter a four-digit account number. It then checks the length of the input. If it is not equal to 4, it prints the message "Account number invalid - it must have 4 digits." and exits the program. If the length of the input is 4, it then checks if the fourth digit of the account number is equal to the remainder of the first three digits divided by 7. If it is, it prints "The account number is valid." Otherwise, it prints "Invalid."
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Which of the following values cannot be stored accurately using a floating-point format in which the most significant bit is the sign bit, the next three bits represent the exponent field in excess notation, and the last four bits represent the mantissa?A. 2 1/2 B. 3/16 C. 7 D. 6 1/4
The option that, by definition, the floating point format does not represent is (D) 6¼.
What is a floating-point format?The single-precision floating-point format, often known as FP32 or float32, is a computer number format that typically takes up 32 bits in computer memory and uses a floating radix point to express a broad dynamic range of numeric values.
Real numbers are represented in hardware using floating-point formats, which are described in the IEEE-754 standard.
The MSVC compiler can represent floating-point integers in at least five internal formats on the hardware it targets.
Only two of these are used by the compiler.
Most engineering and technical calculations use floating point numbers to represent noninteger fractional quantities, such as 3.256, 2.1, and 0.0036.
So, the option which is not represented by the floating point format according to its definition is 6¼.
Therefore, the option that, by definition, the floating point format does not represent is (D) 6¼.
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A Windows computer is experiencing a problem accessing the Internet. The network patch cable and network interface card have been tested and verified to be working properly.
What step should be considered next to resolve this problem?
Question 5 options:
Update network settings.
Restart services.
Kill tasks.
Disable application startup.
Update network settings should be considered next to resolve this problem.
What is network setting?Network settings on computers, mobile phones, video game consoles, tablets, and other smart devices describe preferred wired and wireless connectivity. All types of network connections, including those to the internet, local networks, and cellular networks, involve the use of network settings.
A wide range of device functions related to networking and connectivity can be managed using network settings. A network setting could refer to a variety of settings. Nevertheless, the name might vary depending on the app or operating system.
The following are some of the more typical network settings you might see:
Names and passwords for wireless networks.Preferences for a local computer network.Options for cellular network connection and authentication.Options and limits for data download.Connections to and preferences for VPN services.Settings for both automatic and manual proxy servers.Learn more about network settings
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When referencing MPLS VPN Layer 3 configurations, which of the following statements are true?
Answer:
Explanation:
1. BGP is the most commonly used routing protocol for MPLS VPN Layer 3 configurations.
2. Each customer will be assigned a unique autonomous system (AS) number so that customer routes are not propagated to other customers in the same layer 3 VPN.
3. MPLS VPN Layer 3 configurations can provide traffic segregation between different customers’ networks using VRFs and route distinguishers (RD).
4. All routers in an MPLS VPN Layer 3 configuration must have full routing tables of all customers’ networks within the same layer 3 VPN.
All statements are true
which of the following is not correct about the activation function? activation function is designed to bring
The incorrect statement is that they help normalize the output of each neuron to a range between 1 and 0 only. The correct option is A.
What is activation function?In artificial neural networks, an activation function is a function that outputs a smaller value for tiny inputs and a higher value if its inputs are greater than a threshold. The activation function "fires" if the inputs are big enough; otherwise, nothing happens.
A neuron's activation status is determined by an activation function. By employing simpler mathematical procedures, it will determine whether or not the neuron's input to the network is significant during the prediction process.
Any real value may be used as an input for the Sigmoid Function, which produces values between 0 and 1.
Thus, the correct option is A.
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Your question seems incomplete, the missing options are:
Activation functions help normalize the output of each neuron to a range between 1 and 0 only.
Activation functions are mathematical equations that determine the output of a neural network.
The activation function is attached to each neuron in the neural network, and determines whether it should be activated (“fired”) or not.
All of the above.
which of the following can be used to replace/* line 1 */ so that the loop in howmeanisthe pound would access all of the dogs in the arraylist? public class dog
The following can be used to replace/* line 1
for (Dog d : dogs) {/* line 1 */}
what is arraylist ?
A Java data structure called ArrayList is used to hold items inside a dynamic array. It is comparable to an array yet it has the flexibility to change in size as necessary. ArrayList allows you to add, remove, and edit elements as needed, unlike arrays which have a set size. Many applications, such a database or queue, employ an arraylist to store data. Additionally, it is employed for collection storage. ArrayList is a more effective method of data storage than an array since it is dynamic and also can expand as new members are added. Additionally, ArrayList offers tools for data manipulation including sorting, searching, and filtering. It is a crucial component of every Java program and is employed in several different types of progrmming.
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what are the names of the capillaries following the efferent arteriole? arcuate and medullary interlobar and interlobular peritubular and vasa recta peritubular and medullary
The correct answer to the given question about efferent arteriole is option c) Peritubular and vasa recta.
Efferent arterioles are blood vessels in the urinary system that transport filtered blood from the glomerulus to the remainder of the kidney and then back to the body's circulatory system. The glomerulus is a tiny filtering organ located inside the kidney, which filters blood and produces urine. Vasa recta are the microscopic capillaries that surround Henle loops and supply the renal medulla with nutrients and oxygen, whereas peritubular capillaries are the capillaries that surround the proximal and distal tubules and supply the renal cortex with nutrients and oxygen. The vasa recta system, which circulates down and back up the medulla, is significantly different from the peritubular capillaries, which envelop the cortex's proximal tubule.
Question
what are the names of the capillaries following the efferent arteriole?
arcuate and medullary Interlobar and interlobular peritubular and vasa recta peritubular and medullaryTo learn more about Peritubular and vasa recta click here
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T/F all factors must be checked to ensure that each system component operates at its optimum level and has sufficient resources to minimize the occurrence of bottlenecks.
All factors must be checked to ensure that each system component operates at its optimum level & has sufficient resources to minimize the occurrence of bottlenecks. (True)
What is bottleneck?A bottleneck is a process in a chain of processes that, due to its limited capacity, lowers the capacity of the entire chain. This concept is used in both production and project management. Production halts, supply overstock, customer pressure, and low employee morale are the effects of having a bottleneck.
Long-term bottlenecks as well as short-term ones exist. Temporary bottlenecks typically don't cause much of a problem because they are so brief. A skilled worker taking a few days off is an illustration of a momentary bottleneck. Continuous long-term bottlenecks can cause a production slowdown that is noticeable. When a machine is inefficient and consequently has a long queue, this can be an example of a long-term bottleneck.
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Which of the following is least likely to be considered by the auditors considering engagement of an information technology specialist on an audit?
The least likely to be considered by the auditors considering engagement of an information technology specialist on an audit is number of financial institutions at which the client has accounts.
Who are technology specialists?Support services are provided for technical networks, programmed, and systems by technology specialists. They are in charge of managing IT systems and components' installation, configuration, updating, and maintenance. In some companies, they could also be in charge of selling particular technology goods or services. IT specialists, sometimes referred to as information technology specialists, are something that every firm needs in a world that runs on technology. These IT professionals provide for the technical requirements of enterprises.An IT specialist, computer professional, or IT professional may be any of the following: a person employed in the information technology industry; a person who has completed training at a college, university, or institute dedicated to the study of computers; or a person who has demonstrated extensive knowledge in the field of computing.To learn more about Technology specialists refer to:
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in hypothesis testing, why can't the hypothesis be proved true? the null hypothesis states equality, and equality can never be proven. the only way to prove something would be to use a sample larger than is practical. the only way to prove something would be to use the entire population under study. the null hypothesis is only a guess, and our sample can prove it false but not true.
The only way to prove something would be to use sample larger than is practical.
What is hypothesis testing?Hypothesis testing is a form to the statistical inference of that used data from to a sample to draw conclusions about a population by the parameter or a population of probability distribution. First, a tentative assumption is made about the parameter or distribution.
The assumptions made by researchers and scientists to the experiment are referred to as a hypothesis. It is a prediction based on past to theories and facts that support the experiment. Two possible explanations by the made for a single by the experiment are the alternate hypothesis and to the null hypothesis. Their acceptance or rejection is based on the p-value (probability value). P-value and measures the significant differences that arise due to random errors.
The only way to prove by something would be to use sample larger than is practical Tbe ' only way to prove something Fould be to use the entire population under study: The null hypothesis states equality; and equality can never .
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Segments applied to reports can analyze data for which of the following groups?
O Users 25 to 34 years of age who have their browser set to Spanish
O Users who viewed a webpage, then watched a video
O Users who engaged in social media or email campaigns
O Users who have children under the age of 18
Users aged 25 to 34 who had their browser set to Spanish, viewers of videos after viewing webpages, and users who participated in social media or email campaigns.
What categories of data segmentation are there?The four pillars of market segmentation are demographic, psychographic, geographic, and behavioral, but think about including these four additional categories to strengthen your marketing initiatives.
What is the purpose of segments in Analytics?Access audience reports by logging into your analytics account. At the top of your reports, click "Add segment." Choose "New users" and "Returning users" from the pre-built segments before clicking "Apply."
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Consider a class Student. The following code is used to create objects and access its member functions. Which statement is true about the code?
O int main() {
O Student newStud;
O Student stud;
O Student oldStud;
O stud.GetDetails();
O return 0;}
The given statement which is true about the given code is (E) stud.GetDetails();.
What is a GetDetails() function?
In C, the built-in method gets() is used to read a string or a line of text. and save the input into a string variable with clear parameters.
Once it detects a newline character, the function ends its reading session.
Compare the results to the output from the scanf() function.
So, we can see that three objects of the Student class are generated in the code: newStud, stud, and oldStud, each with their own memory addresses.
In other words, for newStud and stud, the value of the data element in the Student class may differ.
Despite the fact that all objects have access to the GetDetails() function, only the stud object actually called the function. GetDetails();
Three objects of the Student class have been generated, and each of them has a unique memory location.
The only object of the type Student for which the GetDetails() function is used is a stud.
Therefore, the given statement which is true about the given code is (E) stud.GetDetails();.
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Correct question:
Consider a class Student. The following code is used to create objects and access their member functions. Which statement is true about the code?
a. int main() {
b. Student newStud;
c. Student stud;
d. Student oldStud;
e. stud.GetDetails();
f. return 0;}
You work in an office that uses Linux servers and Windows servers. The network uses the TCP/IP protocol. You are sitting at a workstation that uses Windows 10. An application you are using is unable to contact a Windows server named FileSrv2. Which command can you use to determine whether your computer can still contact the server?
Ping
Ifconfig
Ipconfig
netstat
Ping command can use to determine whether your computer can still contact the server.
What is server?
A computer programme or apparatus that offers a service to another computer programme and its user, also known as the client, is referred to as a server. The actual machine that a server application runs on in a data centre is also commonly referred to as a server.
Ping command can use to determine whether your computer can still contact the server. The ping command is a utility that allows you to send an Internet Control Message Protocol (ICMP) Echo Request message to a server and receive an ICMP Echo Reply message in return. If the server is reachable and functioning properly, it will respond to the ping request with an Echo Reply message.
To use the ping command, open a command prompt and type "ping FileSrv2", where "FileSrv2" is the name of the server you want to contact. If the server is reachable, you will see a series of messages indicating that the ping request was sent and the Echo Reply message was received. If the server is not reachable, you will see a message indicating that the ping request timed out.
The other commands you listed (ifconfig, ipconfig, and netstat) are not suitable for determining whether your computer can contact a server. Ifconfig is a command used to configure network interfaces on Linux systems, and ipconfig is a command used to configure IP addresses on Windows systems. Netstat is a command used to display information about network connections on both Linux and Windows systems. None of these commands allow you to ping a server to determine its reachability.
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Using do while loop,write a program that will input numbers and display the count of odd numbers.(c++ programming)
Output:
Enter a number:30,17,22,9,14
Odd numbers found:2
Even numbers found:3
Answer:
#include <iostream>
using namespace std;
int main()
{
// Declare variables to store the number input by the user and the count of odd and even numbers
int number, oddCount = 0, evenCount = 0;
// Use a do-while loop to input numbers until the user enters a negative number
do
{
cout << "Enter a number: ";
cin >> number;
// Increment the count of odd numbers if the input number is odd
if (number % 2 == 1)
{
oddCount++;
}
// Increment the count of even numbers if the input number is even
else if (number % 2 == 0)
{
evenCount++;
}
}
while (number >= 0);
// Print the count of odd and even numbers
cout << "Odd numbers found: " << oddCount << endl;
cout << "Even numbers found: " << evenCount << endl;
return 0;
}
Explanation:
This program will prompt the user to enter a number, and it will continue to input numbers until the user enters a negative number. For each number that is input, the program will increment the count of odd numbers if the number is odd, or the count of even numbers if the number is even. Finally, the program will print the count of odd and even numbers.
Here is an example of the output you would see if you ran this program:
Enter a number: 30
Enter a number: 17
Enter a number: 22
Enter a number: 9
Enter a number: 14
Enter a number: -5
Odd numbers found: 2
Even numbers found: 3
What does that +1 do when checking for another Emily
Answer:
The +1 after n in the line n2 = friends.index("Emily", n + 1) tells the index method to start the search for "Emily" after the index of the previous match. This is useful if you want to find all occurrences of an element in a list and you only want to find matches that occur after the previous one.
For example, if the list is ["Harry", "Emily", "Bob", "Cari", "Emily"] and you want to find the index of both occurrences of "Emily", you can use the index method in a loop and specify a starting position for the search each time. The first time you call the index method, you start the search at the beginning of the list (at index 0). The second time you call the index method, you start the search after the index of the previous match, which is 1 (the index of the first occurrence of "Emily"). This means that the search will start at index 2 and will find the second occurrence of "Emily" at index 4.
Here is some example code that demonstrates how this works:
friends = ["Harry", "Emily", "Bob", "Cari", "Emily"]
# Find the first occurrence of "Emily"
n = friends.index("Emily")
print(n) # Output: 1
# Find the second occurrence of "Emily"
n2 = friends.index("Emily", n + 1)
print(n2) # Output: 4
which of the following is expressed as the percentage of time a system responds properly to requests?
The concept of availability describes the percentage of time that a system responds well to requests, expressed as a percentage over time.
What is the importance of concept of availability?It is a system concept that can be scaled up and down to meet your needs. Percentage of time that the system successfully responded to requests. Expressed as a percentage over time. A system must have 100% uptime to be considered available.
What is a measure of a system's ability to provide functionality when the user requests it?Usability is a measure of whether a given user can use a product/design in a given context to effectively, efficiently and satisfactorily achieve a defined goal.
What term refers to a device or system that can take over in case of failure?Resilience refers to the ability of a system's "computers, networks, cloud clusters, etc." Operations can continue without interruption in the event of failure of one or more components.
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Using the data for age given in Exercise 3.3, answer the following: (a) Use min-max normalization to transform the value 35 for age onto the range [0.0,1.0]. (b) Use z-score normalization to transform the value 35 for age, where the standard deviation of age is 12.94 years. (c) Use normalization by decimal scaling to transform the value 35 for age. (d) Comment on which method you would prefer to use for the given data, giving reasons as to why.
The transformed value of 35 using min-max normalization would be 0.57.
The transformed value of 35 using z-score normalization would be 0.
Using normalization by decimal scaling, the modified value of 35 would be 0.45.
When the objective is to bring the values of the variable to a certain scale, such as 0 to 1 or -1 to 1, normalization via decimal scaling might be helpful.
What is min-max normalization?Generally, To answer this question, we first need to understand the three normalization methods being asked about: min-max normalization, z-score normalization, and normalization by decimal scaling.
(a) Min-max normalization is a method of scaling a variable to a specific range, such as [0.0, 1.0]. To perform min-max normalization on the value 35 for age, we would first need to determine the minimum and maximum values for age in the data set. Let's say the minimum value for age is 18 and the maximum value is 78. To transform 35 using min-max normalization, we would perform the following calculation:
(35 - 18) / (78 - 18) = 0.57
So the transformed value of 35 using min-max normalization would be 0.57.
(b) Z-score normalization, also known as standardization, scales a variable so that it has a mean of 0 and a standard deviation of 1. To perform z-score normalization on the value 35 for age, where the standard deviation of age is 12.94 years, we would use the following calculation:
(35 - mean) / standard deviation = (35 - 35) / 12.94 = 0
So the transformed value of 35 using z-score normalization would be 0.
(c) Normalization by decimal scaling scales a variable so that the maximum absolute value is scaled to a specific number, such as 1 or 10. To perform normalization by decimal scaling on the value 35 for age, we would need to determine the maximum absolute value for age in the data set. Let's say the maximum absolute value for age is 78. To transform 35 using normalization by decimal scaling, we would perform the following calculation:
35 / 78 = 0.45
So the transformed value of 35 using normalization by decimal scaling would be 0.45.
d) As for which method to prefer, it depends on the context and the specific goals of the data analysis. Min-max normalization can be useful when the specific range [0.0, 1.0] is desired, or when the data contains outliers that should be included in the transformation. Z-score normalization can be useful when the goal is to compare the values of the variable to a standard normal distribution, or when the mean and standard deviation of the variable are meaningful in the context of the analysis. Normalization by decimal scaling can be useful when the goal is to bring the values of the variable to a specific scale, such as 0 to 1 or -1 to 1.
In general, it is important to consider the characteristics of the data and the goals of the analysis when deciding which normalization method to use.
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Consider the following database:
MOVIE(id,title,yr) ACTOR(id,name) CASTING(movieid,actorid) Identify the SQL command which will return the titles of all 1959 Marilyn Monroe films.
Option 1. The following SQL...SELECT title FROM movie,casting,actorWHERE movieid = movie.id<> AND name = 'Marilyn Monroe' ;Option 2. The following SQL...SELECT title FROM movie,actorWHERE name = 'Marilyn Monroe'AND yr = 1959 ;
Option 3. The following SQL...SELECT title FROM movie,casting,actorWHERE movieid = movie.idAND actor.id = actoridAND name = 'Marilyn Monroe'AND yr = 1959 ;
Option 4. The following SQL...SELECT title FROM movie,casting,actorWHERE movieid = movie.idAND actor.id = actoridAND movie.yr = casting.yrAND name = 'Marilyn Monroe'AND yr = 1959 ;Select one:
a. Option 1
b. Option 2
c. Option 3 d. Option 4
Choice 3 is accurate, and the following SQL... SELECT title FROM actor, casting, and movie WHERE movie name = "Marilyn Monroe" AND year = 1959; id = movie.id AND actor.id = actorid;.
Exists a database of films?IMDb, short for Internet Movie Database, is a website that contains data about movies, TV shows, home videos, video games, and streaming content online. It contains information about the cast, the production crew, and individual members as well as plot summaries, trivia, ratings, and reviews from fans and critics.
What are the main distinctions between MySQL and SQL?SQL is a query-based programming language used to control RDBMS. MySQL, on the other hand, is an RDBMS (Relational Database Management System) that makes use of SQL. Since SQL is a database language, and MySQL is software, this is the main distinction between the two.
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Can you use Python programming language to wirte this code?
Thank you very much!
Using the knowledge of computational language in python it is possible to write code that repeatedly prompts a user for integer.
Writting the code:largest = None
smallest = None
while True:
import math
print(math.pi)
print(math.cos(math.pi))
print(math.exp(10))
print(math.log10(1000))
print(math.sinh(1))
print(math.factorial(6))
elif n < smallest:
smallest = n
if largest is None:
largest = n
elif n > largest:
largest = n
print("Maximum is", largest)
print ("Minimum is", smallest)
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Java recognizes the important data stored inside an object needs to be protected from code outside the object by
Group of answer choices
O using the access specifier private on class definitions
O using the access specifier public on class methods
O using the access specifier private on class methods
O using the access specifier private on fields
Java recognizes the important data stored inside an object needs to be protected from code outside the object by using the access specifier private on fields.
Access specifier in Java programming language is to control the access for each member class. Since we want to protected the data that stored in object, we can use private on field access so the data is not available for the outside object code.
Thus, the correct answer is by using the access specifier private on fields to protected the important data that stored inside an object from code outside the object.
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one technique to present and test a possible ad execution may be to shot film from the storyboard sketches and add the audio which is referred to as a(n) . thumbnail animatic kicker layout demonstration
trur or false
The given statement about technique in thumbnail animatic kicker layout demonstration is TRUE.
Thumbnails are scaled-down copies of photos or videos that are used to aid in identifying and organizing them. They serve the same function for images as a traditional text index does for words. Thumbnails are commonly used in visual search engines, picture organizing software, and the majority of contemporary desktop environments such as Microsoft Windows, macOS, KDE (Linux), and GNOME in the age of digital images (Linux). They also prevent the need to irrationally download larger files from web pages. The best way to implement thumbnails on web pages is as distinct, scaled-down versions of the original image. This is because one of the goals of a thumbnail image on a web page is to cut down on bandwidth and download time.
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