Answer:
Add the two previous numbers
Explanation:
A recursive definition of the Fibonacci sequence would look like this, in python:
def fibonacci(n)
if n <= 1:
return n
else:
return(fibonacci(n-1) + fibonacci(n-2))
4) Create a text file (you can name it sales.txt) that contains in each line the daily sales of a company for a whole month. Then write a Java application that: asks the user for the name of the file, reads the total amount of sales, calculates the average daily sales and displays the total and average sales. (Note: Use an ArrayList to store the data).
Answer:
Here's an example Java application that reads daily sales data from a text file, calculates the total and average sales, and displays the results:
import java.util.ArrayList;
import java.util.Scanner;
import java.io.File;
import java.io.FileNotFoundException;
public class SalesDemo {
public static void main(String[] args) {
// Ask the user for the name of the file
Scanner input = new Scanner(System.in);
System.out.print("Enter the name of the sales file: ");
String fileName = input.nextLine();
// Read the daily sales data from the file
ArrayList<Double> salesData = new ArrayList<>();
try {
Scanner fileInput = new Scanner(new File(fileName));
while (fileInput.hasNextDouble()) {
double dailySales = fileInput.nextDouble();
salesData.add(dailySales);
}
fileInput.close();
} catch (FileNotFoundException e) {
System.out.println("Error: File not found!");
System.exit(1);
}
// Calculate the total and average sales
double totalSales = 0.0;
for (double dailySales : salesData) {
totalSales += dailySales;
}
double averageSales = totalSales / salesData.size();
// Display the results
System.out.printf("Total sales: $%.2f\n", totalSales);
System.out.printf("Average daily sales: $%.2f\n", averageSales);
}
}
Assuming that the sales data is stored in a text file named "sales.txt" in the format of one daily sale per line, you can run this program and input "sales.txt" as the file name when prompted. The program will then calculate the total and average sales and display the results.
I hope this helps!
Explanation:
what is the entity relationship model?
John travels and writes about every place he visits. He would like to share his experiences with as many people as you can which mode of Internet communication can join use most officially to show and share his written work
It would probably be a blog.
Weblogs, often known as blogs, are frequently updated online pages used for personal or professional material.
Explain what a blog is.A blog, often known as a weblog, is a frequently updated online page that is used for commercial or personal comments. A area where readers can leave comments is usually included at the bottom of each blog article because blogs are frequently interactive.Blogs are informal pieces created with the intention of demonstrating thought leadership and subject matter expertise. They are an excellent approach to provide new material for websites and act as a spark for email marketing and social media promotion to increase search traffic.However, it wasn't regarded as a blog at the time; rather, it was just a personal webpage. Robot Wisdom blogger Jorn Barger first used the term "weblog" to describe his method of "logging the web" in 1997.To learn more about Blog refer to:
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features present in most DUIs include _________________?
Answer:
"Common features provided by most GUIs include: -icons; ... The icons displayed on most desktops represent resources stored on the computer—files, folders, application software, and printers. Another icon commonly found on the desktop is a place to discard items."
Explanation:
plz mark braniliest i answered first
The measure of a game mechanic is simply how effective it is at drawing a player into your game or creating player immersion.
Question 6 options:
True
False
The statement "The measure of a game mechanic is simply how effective it is at drawing a player into your game or creating player immersion" is true.
What are the game mechanics?The guidelines that control a video game's gameplay are known as play mechanics. The game's artificial intelligence (AI) and the activities that users can take within the game's environment are both controlled by the game's play mechanics.
Being able to move a variable amount of space based on a probability distribution produced by a pair of dice is an illustration of a mechanic frequently employed in board games.
Therefore, the statement is true.
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problem description IT
In IT, a problem description refers to a clear and concise explanation of an issue or challenge that needs to be resolved within a technology system or application.
How is this so?It involves providing relevant details about the symptoms, impact, and context of the problem.
A well-written problem description outlines the specific errors, failures, or undesired behavior observed and provides enough information for IT professionals to analyze and identify potential solutions.
A comprehensive problem description is crucial for effective troubleshooting and problem-solving in the IT field.
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device used to supply data and instructions
Answer:
The computer is a device that operated upon information or data.
Explanation:
It is an electronic device which accepts inputs data, stores the data, does arithmetic and logic operations and provides the outputs in the desired format. The computer receives data, process it, produces output and stores it for further references. The instructions given to the computer is given by the human using a keyboard or any other input device
Answer:
input device, such as a keyboard or a mouse.
Explanation:
In computing, an input device is a peripheral (piece of computer hardware equipment) used to provide data and control signals to an information processing system such as a computer
What should I do instead of listen to music?
What are the challenges associated with not being ‘tech savvy’ in 2023?
In 2023, not being 'tech-savvy' can present several challenges due to the increasing reliance on technology in various aspects of life.
Some challenges associated with not being tech-savvyDigital Communication: Communication has largely shifted to digital platforms, such as email, messaging apps, and video conferencing. Not being tech-savvy can make it difficult to effectively communicate and connect with others, especially in professional settings where digital communication is prevalent.
Online Information and Resources: The internet is a primary source of information and resources for various purposes, including education, research, and everyday tasks. Not being tech-savvy may hinder the ability to navigate and access online information, limiting opportunities for learning, decision-making, and staying informed.
Digital Skills Gap: Many job roles and industries now require basic digital skills. Not being tech-savvy can create a skills gap, making it challenging to find employment or succeed in the workplace. Basic skills such as using productivity software, digital collaboration tools, and online research are increasingly expected in many job positions.
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A security team has downloaded a public database of the largest collection of password dumps on the Internet. This collection contains the cleartext credentials of every major breach for the last four years. The security team pulls and compares users' credentials to the database and discovers that more than 30% of the users were still using passwords discovered in this list. Which of the following would be the BEST combination to reduce the risks discovered?
a. Password length, password encryption, password complexity
b. Password complexity least privilege, password reuse
c. Password reuse, password complexity, password expiration
d. Group policy, password history, password encryption
Answer:
a. Password length, password encryption, password complexity
Explanation:
Under this scenario, the best combination would be Password length, password encryption, password complexity. This is because the main security problem is with the user's passwords. Increasing the password length and password complexity makes it nearly impossible for individuals to simply guess the password and gain access, while also making it extremely difficult and time consuming for hackers to use software to discover the password as well. Password excryption would be an extra layer of security as it encrypts the password before storing it into the database, therefore preventing eavesdroppers from seeing the password and leaked info from being used without decryption.
convert the following decimaal numbers to octal numbers
1. 500
2. 169
3. 53
4.426
1. 500--->764
2. 169--->251
3. 53--->65
4.426--->652
answers for codeHS 2.6.6:finding images
You can view the solution for an venture in multiple ways: Through the Assignments page.
...
View Solution References by way of the Resources Page
Navigate to the Resources page on the left-hand sidebar.
Choose Solution References.
Click Switch Course and select which path you would like to view options for!
How do you get photos on CodeHS?Students can upload pix and different archives from their computer to add to their packages in the Code Editor.
...
Uploading a File
From the Code Editor, click on More > Upload.
Browse for the file you would like to add > Open.
Copy and paste the URL to use in your program.
Is CodeHS free?CodeHS is comfortable to make our comprehensive web-based curriculum available for free! You can start nowadays by way of creating an account, placing up classes, enrolling your college students and getting them started out on their very own CS pathway.
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Hi! I understand you need help with CodeHS 2.6.6: Finding Images. In this exercise, you're tasked with writing a program that searches for and identifies specific images using JavaScript and the CodeHS library. The key terms in this exercise include variables, loops, conditionals, and image processing.
1)First, you'll want to define variables to store the image and its dimensions. You can use the `getImage` function to obtain the image, and the `getWidth` and `getHeight` functions to determine the image's dimensions.
2)Next, use nested loops to iterate through the image's pixels. The outer loop represents the rows (y-axis), and the inner loop represents the columns (x-axis). This allows you to access each pixel in the image.
3)In each iteration, use conditionals to check if the pixel meets specific criteria. This might involve comparing the pixel's color, brightness, or another characteristic to a predetermined value or range. If the criteria are met, you can perform an action, such as modifying the pixel or recording its location.
4)Finally, once the loops have finished iterating through the image, display the results. This might involve drawing the image with the modified pixels or outputting the location of the found image.
5)By following these steps and incorporating variables, loops, conditionals, and image processing, you will create a program that effectively finds images as per the requirements of CodeHS 2.6.6. Good luck!
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FILL IN THE BLANK Claudette is a developer working for a software company that uses JIRA, a PLM product. Claudette knows that using JIRA benefits her organization because _____.
Developer Claudette works for a software firm that use JIRA, a PLM solution. Because higher management may use JIRA to track project progress and make strategic decisions, Claudette is aware that utilizing it is advantageous to her company.
Use Jira among programmers?Throughout the whole development lifecycle, software development teams use Jira Software. This manual is intended for developers joining an active Jira Software project.
What does a Jira developer do?You construct dashboards for JIRA Connect add-ons, define custom fields, support JIRA configurations that take into account all client requirements, build and deploy servers and apps, develop plugins to enhance JIRA capabilities, create custom preset filters, test results, and find bugs.
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After separating from Mexico, Texas passed laws that made it harder for slave owners to _____________ slaves.
a.
emancipate
b.
own
c.
abuse
d.
sell
Answer: b.
Explanation:
Answer:
b
Explanation:
own slaves
what can a user modify on a business card using the Edit Business card in the dialog box?
The ___________ condition is generally composed of an equality comparison between the foreign key and the primary key of related tables.
join
The join condition is generally composed of an equality comparison between the foreign key and the primary key of related tables.
Which type of join return row match with values?The inner join is a type of join condition that can return a row match with values. This type of join returns those records which have matching values in both tables.
So, if you perform an inner join operation between the Employee table and the Projects table, all the tuples which have matching values in both tables will be given as output.
Therefore, the join condition is generally composed of an equality comparison between the foreign key and the primary key of related tables.
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Actividades que puedes Aser con un martillo y su explicación
Answer:
hi how are you thx yets1wud
In Linux, what signal is sent when you enter the kill pid command
Answer:
The default signal is SIGTERM (signal 15).
Explanation:
When you enter the kill pid command in Linux, the SIGTERM (signal 15) signal is sent by default. SIGTERM is the default termination signal that is sent to a process when the kill command is used. It is used to gracefully terminate a process and allows the process to perform any necessary cleanup operations before it is terminated.
g Write a function called price_of_rocks. It has no parameters. In a while loop, get a rock type and a weight from the user. Keep a running total of the price for all requested rocks. Repeat until the user wants to quit. Quartz crystals cost $23 per pound. Garnets cost $160 per pound. Meteorite costs $15.50 per gram. Assume the user enters weights in the units as above. Return the total price of all of the material. For this discussion, you should first write pseudocode for how you would solve this problem (reference pseudocode.py in the Week 7 Coding Tutorials section for an example). Then write the code for how you would tackle this function. Please submit a Python file called rocks_discussion.py that defines the function (code) and calls it in main().
Answer:
The pseudocode:
FUNCTION price_of_rocks():
SET total = 0
while True:
INPUT rock_type
INPUT weight
if rock_type is "Quartz crystals":
SET total += weight * 23
elif rock_type is "Garnets":
SET total += weight * 160
elif rock_type is "Meteorite":
SET total += weight * 15.50
INPUT choice
if choice is "n":
break
RETURN total
END FUNCTION
The code:
def price_of_rocks():
total = 0
while True:
rock_type = input("Enter rock type: ")
weight = float(input("Enter weight: "))
if rock_type == "Quartz crystals":
total += weight * 23
elif rock_type == "Garnets":
total += weight * 160
elif rock_type == "Meteorite":
total += weight * 15.50
choice = input("Continue? (y/n) ")
if choice == "n":
break
return total
print(price_of_rocks())
Explanation:
Create a function named price_of_rocks that does not take any parameters
Initialize the total as 0
Create an indefinite while loop. Inside the loop:
Ask the user to enter the rock_type and weight
Check the rock_type. If it is "Quartz crystals", multiply weight by 23 and add it to the total (cumulative sum). If it is "Garnets", multiply weight by 160 and add it to the total (cumulative sum). If it is "Meteorite", multiply weight by 15.50 and add it to the total (cumulative sum).
Then, ask the user to continue or not. If s/he enters "n", stop the loop.
At the end of function return the total
In the main, call the price_of_rocks and print
Attackers have taken over a site commonly used by an enterprise's leadership team to order new raw materials. The site is also visited by leadership at several other enterprises, so taking this site will allow for attacks on many organizations. Which type of malicious activity is this?
A rootkit is a malware-style terminology designed to infect an attacker's target PC and allow them to install many tools that use him for persistent wireless connectivity to the system.
It is an illegal computer program to enable continuous privileged access to a computer and hide its presence actively. In today's life, it often conceals their existence and actions from uses and other functionality of the system, especially spyware - for instance, trojans, worms, viruses.That's why the rootkit is employed since it is developed in this case to access Victin's system at an administrator level.
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Python question
The following code achieves the task of adding commas and apostrophes, therefore splitting names in the list. However, in the case where both first and last names are given how would I "tell"/write a code that understands the last name and doesn't split them both. For example 'Jack Hansen' as a whole, rather than 'Jack' 'Hansen'.
names = "Jack Tomas Ponce Ana Mike Jenny"
newList = list(map(str, names.split()))
print(newList) #now the new list has comma, and apostrophe
Answer:
You can use regular expressions to match patterns in the names and split them accordingly. One way to do this is to use the re.split() function, which allows you to split a string based on a regular expression.
For example, you can use the regular expression (?<=[A-Z])\s(?=[A-Z]) to match a space between two capital letters, indicating a first and last name. Then use the re.split() function to split the names based on this regular expression.
Here is an example of how you can use this approach to split the names in your list:
(Picture attached)
This will give you the output ['Jack', 'Tomas', 'Ponce', 'Ana', 'Mike', 'Jenny', 'Jack Hansen']. As you can see, the name "Jack Hansen" is not split, as it matches the pattern of first and last name.
It's worth noting that this approach assumes that all first and last names will have the first letter capitalized and the last names capitalized too. If this is not the case in your data, you may need to adjust the regular expression accordingly.
1
A problem that can be solved through
technological design has been identified. A
brief has been written. What is the next step
in the design process?
O Specification writing
O To conduct background research
O To identify barriers and constraints
The design of different potential solutions
The next step in the design process will be the design of different potential solutions. The correct option is D.
What is technological design?Technological design is a distinct process with several distinguishing characteristics: it is purposeful, based on specific requirements, iterative, creative, and systematic.
A good technical design is one that requires the least amount of effort and money while meeting your business requirements, particularly in terms of development speed and turn-around time, maintenance cost, deployment complexity, scalability, or security requirements.
A problem has been identified that can be solved through technological design. A synopsis has been written. The design of various potential solutions will be the next step in the design process.
Thus, the correct option is D.
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A tech class question any help will be greatly apprieciated
Why would a programmer use a software artifact, such as a flowchart?
Answer:
With a code artifact, a software programmer can test the program in detail and perfect things before launching the software. The program can easily pass the testing phase for a project management artifact without any problems if errors are corrected at the level of the coding
Explanation:
:)
Referring to narrative section 6.4.1.1. "Orders Database" in your course's case narrative you will:
1. Utilizing Microsoft VISIO, you are to leverage the content within the prescribed narrative to develop an Entit
Relationship Diagram (ERD). Make use of the 'Crow's Foot Database Notation' template available within VISIC
1.1. You will be constructing the entities [Tables] found within the schemas associated with the first letter of
your last name.
Student Last Name
A-E
F-J
K-O
P-T
U-Z
1.2. Your ERD must include the following items:
All entities must be shown with their appropriate attributes and attribute values (variable type and
length where applicable)
All Primary keys and Foreign Keys must be properly marked
Differentiate between standard entities and intersection entities, utilize rounded corners on tables for
intersection tables
●
.
Schema
1 and 2 as identified in 6.4.1.1.
1 and 3 as identified in 6.4.1.1.
1 and 4 as identified in 6.4.1.1.
1 and 5 as identified in 6.4.1.1.
1 and 6 as identified in 6.4.1.1.
.
The following is a description of the entities and relationships in the ERD -
CustomersProductOrdersOrder Details How is this so?Customers is a standard entity that stores information about customers, such as their name, address,and phone number.Products is a standard entity that stores information about products, such as their name, description, and price.Orders is an intersection entity that stores information about orders, such as the customer who placed the order,the products that were ordered, andthe quantity of each product that was ordered.Order Details is an intersection entity that stores information about the details of each order,such as the order date, the shipping address, and the payment method.The relationships between the entities are as follows -
A Customer can place Orders.An Order can contain Products.A Product can be included inOrders.The primary keys and foreign keys are as follows -
The primary key for Customers is the Customer ID.The primary key for Products is the Product ID.The primary key for Orders is the Order ID.The foreign key for Orders is the Customer ID.The foreign key for Orders is theProduct ID.The foreign key for Order Details is the Order ID.The foreign key for Order Details is the Product IDLearn more about ERD at:
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Liam has created a résumé that he has posted on a job search website. What two things did he did correctly for this résumé? He used different bullets styles to make his résumé attractive. He used Ariel font size 12 for his résumé. He posted his religious event volunteer work in the Work Experience section. He proofread his résumé before submitting. He included only his current work experience.
It can be inferred from the options about Liam's résumé that Liam did the following correctly:
He proofread his résumé before submitting it.He used Ariel font size 12 for his résuméWhat is a résumé?A résumé, sometimes known as a curriculum vitae in English outside of North America, is a document that a person creates and uses to demonstrate their history, abilities, and accomplishments. Résumés can be used for a number of purposes, although they are most commonly utilized to find a new job.
There are three types of resume styles that job seekers usually use: chronological resumes, functional resumes, and mixed resumes (otherwise known as hybrid résumé).
It should be noted that Volunteer Experience ought not to be mixed with paid work experience.
While it is advisable to use bullet points to make your résumé look orderly, using more than one can be distracting and make your resume look unprofessional. It is best practice to use only one type of bullet point.
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What is created automatically when you install Windows Server 2019 on a system with a disk drive that has never had an OS installed on it before?
Answer:
System volume
Explanation:
The System Volume Information folder can be regarded as a zone on the hard drive which is usually created by the Operating System, this is utilized
by Windows which allows storing of critical information that is related to the system configuration. As well as the computer storage is concerned, The volume/ logical drive is viewed as a single accessible storage area containing single file system, which lies on a single partition in hard disk.
It should be noted that the System volume is created automatically when you install Windows Server 2019 on a system with a disk drive that has never had an OS installed on it before.
Windows Server 2019 is version of Windows Server server operating system which is a server from Microsoft,
A line graph is a great tool for showing changes over time. Why is a line graph better than other graphs at showing this type of data?
Answer:
Line graphs allow us to see overall trends such as an increase or decrease in data over time. Bar graphs are used to compare facts.
write a script that creates and calls a stored procedure named insert_category. first, code a statement that creates a procedure that adds a new row to the categories table. to do that, this procedure should have one parameter for the category name. code at least two call statements that test this procedure. (note that this table doesn’t allow duplicate category names.)
The script that creates and calls a stored procedure named update_product_discount that updates the discount_percent column in the Products table is given below:
//This procedure should have one parameter for the product ID and another for the discount percent.
If the value for the discount_percent column is a negative number, the stored procedure should signal state indicating that the value for this column must be a positive number.//
Code at least two CALL statements that test this procedure.
*/
DROP PROCEDURE IF EXISTS update_product_discount;
DELIMITER //
CREATE PROCEDURE update_product_discount
(
product_id_param INT,
discount_percent_param DECIMAL(10,2)
)
BEGIN
-- validate parameters
IF discount_percent_param < 0 THEN
SIGNAL SQLSTATE '22003'
SET MESSAGE_TEXT = 'The discount percent must be a positive number.',
MYSQL_ERRNO = 1264;
END IF;
UPDATE products
SET discount_percent = discount_percent_param
WHERE product_id = product_id_param;
END//
DELIMITER ;
-- Test fail:
CALL update_product_discount(1, -0.02);
-- Test pass:
CALL update_product_discount(1, 30.5);
-- Check:
SELECT product_id, product_name, discount_percent
FROM products
WHERE product_id = 1;
-- Clean up:
UPDATE products
SET discount_percent = 30.00
WHERE product_id = 1;
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Handoff points in cross-functional flowcharts are of particular importance to process analysis.A. True B. False
Answer:
True
Explanation:
Databases containing the research, writing and studies conducted by Academic
Professionals are called:
Scholarly databases allow the indexing of research, essays and multidisciplinary studies for access by students, professors and researchers.
Advantages of using Scholarly DatabasesIt allows access to reliable and revised sources for researching academic content, generating greater speed and security of information available in a structured research system.
Therefore, the use of databases, such as Gale, allows the user greater reliability in research and the producer of work greater dissemination of content and protection of rights.
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