Answer:
the CG would move toward the rear.
Explanation:
Adding a paper clip to the vertical stabilizer of your glider will, the CG would move toward the rear. The correct option is A.
What is center of gravity?The place on an item where the force of gravity is thought to act is known as the center of gravity (CG).
The gravitational pull is thought to be focused at the point where an object weighs on average. Depending on the object's size, shape, and mass distribution, the center of gravity will be in one place or another.
The impact of adding a paper clip to your glider's vertical stabilizer is to shift the center of gravity (CG) to the back of the glider.
This is due to the fact that the paper clip adds weight to the glider's rear, moving the center of mass there and, as a result, the center of gravity.
Thus, the correct option is A.
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Methods ii.) Define and implement a method that takes a string array as a parameter and returns the length of the shortest and the longest strings in the array i.) Write a method that take an integer array as a parameter and returns the sum of positive odd numbers and sum of positive even numbers. iii.) Implements the sequential search method that takes and array of integers and the item to be search as parameters and returns true if the item to be searched in the array, return false otherwise
Answer:
Explanation:
Well I am sorry I don't know the answer anyway.
If the data rate is 10 Mbps and the token is 64 bytes long (the 10-Mbps Ethernet minimum packet size), what is the average wait to receive the token on an idle network with 40 stations? (The average number of stations the token must pass through is 40/2 = 20.) Ignore the propagation delay and the gap Ethernet requires between packets.
Answer:
1.024x10^-5
Explanation:
To calculate the transmission delay bytes for the token,
we have the token to be = 64bytes and 10mbps rate.
The transmission delay = 64bytes/10mbps
= 51.2 microseconds
A microsecond is a millionth of a second.
= 5.12 x 10^-5
The question says the average number of stations that the token will pass through is 20. Remember this value is gotten from 40/2
20 x 5.12 x 10^-5
= 0.001024
= 1.024x10^-5
Therefore on an idle network with 40 stations, the average wait is
= 1.024x10^-5
Please help me, I need to turn this in before 12am. :(
Take a few moments and ask yourself about the value of a database. Then develop no less than two paragraphs considering... What can they really accomplish? Can you think of any industries that are actively using them? Are they challenging to learn? (or any other information you feel is prudent to the discussion).
Databases are essential tools for storing, organizing, and managing large amounts of data, providing valuable insights and serving as a foundation for software systems across industries.
Write a short note on databases and their uses.Databases are an essential tool for storing, organizing, and managing large amounts of data. They allow for efficient retrieval and manipulation of data and can provide valuable insights for businesses and organizations.
In today's data-driven world, databases can accomplish a wide range of tasks. They can store customer information, inventory data, financial records, and more. Databases can be used for analysis and decision-making, such as identifying trends, forecasting future performance, and optimizing operations. They can also provide a foundation for applications and software systems, such as e-commerce platforms, CRM systems, and inventory management software.
Many industries actively use databases, including healthcare, finance, retail, and government. Healthcare organizations use databases to manage patient records and medical information, while financial institutions use them to manage transactions and account information. Retail companies use databases to track inventory and sales data, while government agencies use them to manage citizen records and public services.
While databases can be complex and challenging to learn, there are many resources available to help individuals and organizations develop the skills needed to use them effectively. Online courses, tutorials, and certifications are available, as well as consulting and support services from database vendors and experts. With the right training and resources, anyone can learn to use databases to their full potential.
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Attempting to write a pseudocode and flowchart for a program that displays 1) Distance from sun. 2) Mass., and surface temp. of Mercury, Venus, Earth and Mars, depending on user selection.
Below is a possible pseudocode and flowchart for the program you described:
What is the pseudocode about?Pseudocode:
Display a menu of options for the user to choose from: Distance, Mass, or Surface Temperature.Prompt the user to select an option.If the user selects "Distance":a. Display the distance from the sun for Mercury, Venus, Earth, and Mars.If the user selects "Mass":a. Display the mass for Mercury, Venus, Earth, and Mars.If the user selects "Surface Temperature":a. Display the surface temperature for Mercury, Venus, Earth, and Mars.End the program.Therefore, the Flowchart:
[start] --> [Display menu of options] --> [Prompt user to select an option]
--> {If "Distance" is selected} --> [Display distance from sun for Mercury, Venus, Earth, and Mars]
--> {If "Mass" is selected} --> [Display mass for Mercury, Venus, Earth, and Mars]
--> {If "Surface Temperature" is selected} --> [Display surface temperature for Mercury, Venus, Earth, and Mars]
--> [End program] --> [stop]
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what are the characteristics of a computer system
Answer:
A computer system consists of various components and functions that work together to perform tasks and process information. The main characteristics of a computer system are as follows:
1) Hardware: The physical components of a computer system, such as the central processing unit (CPU), memory (RAM), storage devices (hard drives, solid-state drives), input devices (keyboard, mouse), output devices (monitor, printer), and other peripherals.
2) Software: The programs and instructions that run on a computer system. This includes the operating system, application software, and system utilities that enable users to interact with the hardware and perform specific tasks.
3) Data: Information or raw facts that are processed and stored by a computer system. Data can be in various forms, such as text, numbers, images, audio, and video.
4) Processing: The manipulation and transformation of data through computational operations performed by the CPU. This includes arithmetic and logical operations, data calculations, data transformations, and decision-making processes.
5) Storage: The ability to store and retain data for future use. This is achieved through various storage devices, such as hard disk drives (HDDs), solid-state drives (SSDs), and optical media (CDs, DVDs).
6) Input: The means by which data and instructions are entered into a computer system. This includes input devices like keyboards, mice, scanners, and microphones.
7) Output: The presentation or display of processed data or results to the user. This includes output devices like monitors, printers, speakers, and projectors.
8) Connectivity: The ability of a computer system to connect to networks and other devices to exchange data and communicate. This includes wired and wireless connections, such as Ethernet, Wi-Fi, Bluetooth, and USB.
9) User Interface: The interaction between the user and the computer system. This can be through a graphical user interface (GUI), command-line interface (CLI), or other forms of interaction that allow users to communicate with and control the computer system.
10) Reliability and Fault Tolerance: The ability of a computer system to perform consistently and reliably without failures or errors. Fault-tolerant systems incorporate measures to prevent or recover from failures and ensure system availability.
11) Scalability: The ability of a computer system to handle increasing workloads, accommodate growth, and adapt to changing requirements. This includes expanding hardware resources, optimizing software performance, and maintaining system efficiency as demands increase.
These characteristics collectively define a computer system and its capabilities, allowing it to process, store, and manipulate data to perform a wide range of tasks and functions.
Hope this helps!
What are the uses of computer in educational setting?
Answer:
Quick Communication & Correspondence
Explanation:
Another main advantage of using computers in the education field is the improvement in the quality of teaching-learning process and communication between students & teachers. For this, they use Microsoft PowerPoint to prepare electronic presentations about their lectures.
Answer:
there are different uses of computer in education setting fact from its application include
E learninginstructional materialE examease of communicationstoragewhat is the command used to retrieve the java files along with the string existence "Hello world" in it
Answer:
java” xargs grep -i "Hello World”
Assume that the array starts at address 100 (decimal) and that ints are 4 bytes long. What is the R-value of this expression:
Answer:
The answer is "5".
Explanation:
please find the complete question in the attached file.
Follows are the code to the question, which is defined in attached file please find it.
In the above-given code, an integer array arr is defined, that holds some values, in the next step, a pointer variable "ip" is defined that adds value 4 in the "arr".
In the next line, the pointer variable is used that holds elements, which is available on 4 index that is equal to "3" and adds value 2, and use the print method to print its value, that is equal to 5.
Who is the father of television?
Answer:
Philo Farnsworth
Explanation:
American inventor Philo Farnsworth, full name Philo Taylor Farnsworth II, was born on August 19, 1906 in Beaver, Utah, and passed away on March 11, 1971 in Salt Lake City, Utah. He created the first all-electronic television system.
What do you do when you have computer problems? Check all that apply.
Answer:
These are the main things to do
Run a thorough virus scan.
Update your software.
Cut down on the bloat.
Test your Wi-Fi connection.
Reinstall the operating system.
(I can't see the answer it has for you so I'm not sure if these are apart of your answer or not)
Explanation:
Answer:
you might have to try all available options
Fritz is a big fan of the racerville rockets. unfortunate;y, the team has been accused of cheating during their games. Fritz reads many articles and posts about this developing news story. His social media algorithms have "learned" that he's a fan of the team, so his feed doesnt show him any articles that argue the accusations are true. From this, Fritz decides his favorite team must be innocent of all cheating charges. Fritz is now in
A. a filter bubble
B. A third party
C. A subculture
D. an echo chamber
Option(D) is the correct answer. Fritz is now in an echo chamber.
Fritz's situation aligns with the concept of an echo chamber. An echo chamber refers to an environment, such as social media, where individuals are exposed to information and opinions that reinforce their existing beliefs and perspectives.
In this case, Fritz's social media algorithms have filtered out articles that present arguments in favor of the cheating accusations, creating an echo chamber that only confirms his preconceived notion of the team's innocence.
As a result, Fritz is insulated from diverse viewpoints and alternative perspectives, which can hinder critical thinking and a comprehensive understanding of the situation.
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the fibonacci sequence begins with 0 and then 1 follows. all subsequent values are the sum of the previous two, ex: 0, 1, 1, 2, 3, 5, 8, 13. complete the fibonacci() function, which has an index n as parameter and returns the nth value in the sequence. any negative index values should return -1. ex: if the input is: 7 the output is: fibonacci(7) is 13 note: use a for loop and do not use recursion.
The fibanocci sequence with the use of a for loop and do not use a recursion .
Program :
def fibonacci(num):
if num < 0:
print("-1")
elif num == 0:
return 0
elif num == 1:
return 1
else:
return fibonacci(num-1) + fibonacci(num-2)
if __name__ == '__main__':
start_number = int(input())
print(f'fibonacci({start_number}) is {fibonacci(start_number)}')
what is a Fibonacci sequence?
The Fibonacci series is a sequence of numbers (also known as Fibonacci numbers) in which each number is the sum of the two numbers before it, with the first two terms being '0' and '1'. The term '0' may have been omitted in earlier versions of the series. A Fibonacci series can thus be written as 0, 1, 1, 2, 3, 5, 8, 13, 21, 34,... As a result, every term can be calculated by adding the two terms preceding it.
Thus the code return the fibanocci series
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Define a function named SortVector that takes a vector of integers as a parameter. Function SortVector() modifies the vector parameter by sorting the elements in descending order (highest to lowest). Then write a main program that reads a list of integers from input, stores the integers in a vector, calls SortVector(), and outputs the sorted vector. The first input integer indicates how many numbers are in the list.
Ex: If the input is:
5 10 4 39 12 2
the output is:
39,12,10,4,2,
For coding simplicity, follow every output value by a comma, including the last one.
Your program must define and call the following function:
void SortVector(vector & myVec)
Answer:
Here is an example implementation of the SortVector function and main program in C++
(Picture attached)
The SortVector function takes in a vector of integers by reference (indicated by the & symbol) and sorts the elements in descending order using the std::sort function from the algorithm library. The greater<int>() function is used as the comparison function to sort the elements in descending order.
If you pay a subscription fee to use an application via the internet rather than purchasing the software outright, the app is called a/an -- application.
Answer:
Software as a Service (SaaS)
Explanation:
Cloud computing can be defined as a type of computing that requires shared computing resources such as cloud storage (data storage), servers, computer power, and software over the internet rather than local servers and hard drives.
Generally, cloud computing offers individuals and businesses a fast, effective and efficient way of providing services.
Cloud computing comprises of three (3) service models and these are;
1. Platform as a Service (PaaS).
2. Infrastructure as a Service (IaaS).
3. Software as a Service (SaaS).
Software as a Service (SaaS) can be defined as a cloud computing delivery model which involves the process of making licensed softwares available over the internet for end users on a subscription basis through a third-party or by centrally hosting it.
Hence, Software as a Service (SaaS) is an example of a cloud computing environment that provides users with a web based email service. Therefore, if you pay a subscription fee to use an application via the internet rather than purchasing the software outright, the app is called a Software as a Service (SaaS) application.
Some examples of SaaS applications are Salesforce, Google apps, Bigcommerce, Dropbox, Slack etc.
which two pieces of information must be provided when saving a file for the first time in wordpad
The name and the saving location.
shareware freeware and public domain software safety precautions
Answer:
When downloading shareware, freeware, or public domain software, it is important to take safety precautions to ensure that the software is secure and does not contain any malicious content. Be sure to only download software from trusted sources, check for reviews and ratings, and scan the software for viruses before installing. Additionally, be sure to read the End User License Agreement (EULA) before installing the software to make sure you understand the terms and conditions of the software.
Explanation:
of what is famous Ted Nelson?
Answer:
Nelson proposed a system where copying and linking any text excerpt, image or form was possible.
Explanation:
Ted Nelson is one of the theoretical pioneers of the world wide web who is best known for inventing the concept of hypertext and hypermedia in the 1960s. As one of the early theorists on how a networked world would work.
How I know:
I goggle it.
The address for the website you want to visit is called the browser internet URL World Wide Web
URL would be your answer to this question.
When using VLOOKUP we can search for information from more than one spreadsheet.
True or False
heyy man it's true for sure
What type of model does the web use? Choose the answer.
a. Client-Server model
b. Client-Host model
c. Server-Website model
d. Web-Internal model
The type of model does the web use is
a. Client-Server model
What is client-server model?The web primarily uses the Client-Server model. In this model, the web is divided into two main components: clients and servers
Clients are devices or software applications that request and consume resources from servers. examples of clients include web browsers (such as Chrome or Firefox) running on users' devices, mobile apps, or even other servers.
Servers on the other hand, are powerful computers or software applications that store and deliver resources in response to client requests. servers host websites, web applications, or other services and are responsible for processing client requests, retrieving data, and sending it back to the clients.
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Label Masterson, in cell e2, enter a formula using the hlookup function to determine a student’s potential base hourly rate. Use a structure reference to look up in the post-Secondary years column, retrieve the value in the 2nd row of the table in the range p13:u1, using an absolute reference.
HLOOKUP is an Excel function that performs a lookup and obtains information from a particular table row. It looks for a value in the table's first row and, if it matches the condition, returns another value in the same column from a subsequent row.
What is the value?Values are the benchmarks or ideals by which we judge the acts, traits, possessions, or circumstances of others. Values that are embraced by many include those of beauty, honesty, justice, peace, and charity.
Life values are the essential core beliefs that direct your actions and objectives as well as assist you in determining your level of overall success in life. For many people, values start early in life as their parents instill in them some of what they consider to be the most crucial principles.
Therefore, it matches the condition and returns another value in the same column from a subsequent row.
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Question: 9
What should be the primary focus of keeping information secure?
O
O
O
O
Educating users on the dangers of phishing
attempts
Encrypting all personal data
Ensuring the confidentiality, integrity, and
availability of data
Implementing a strong password policy
Question: 10
The primary focus of keeping information secure should be ensuring the confidentiality, integrity, and availability of data. Hence option C is correct.
What is information security about?
This involves implementing various security measures such as encryption, access control, backup and disaster recovery, and following industry standards and regulations to protect sensitive information from unauthorized access, alteration, or loss.
Therefore, Educating users on the dangers of phishing attempts and implementing a strong password policy are also important steps in ensuring information security.
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Compare and contrast predictive analytics with prescriptive and descriptive analytics. Use examples.
Explanation:
Predictive, prescriptive, and descriptive analytics are three key approaches to data analysis that help organizations make data-driven decisions. Each serves a different purpose in transforming raw data into actionable insights.
1. Descriptive Analytics:
Descriptive analytics aims to summarize and interpret historical data to understand past events, trends, or behaviors. It involves the use of basic data aggregation and mining techniques like mean, median, mode, frequency distribution, and data visualization tools such as pie charts, bar graphs, and heatmaps. The primary goal is to condense large datasets into comprehensible information.
Example: A retail company analyzing its sales data from the previous year to identify seasonal trends, top-selling products, and customer preferences. This analysis helps them understand the past performance of the business and guide future planning.
2. Predictive Analytics:
Predictive analytics focuses on using historical data to forecast future events, trends, or outcomes. It leverages machine learning algorithms, statistical modeling, and data mining techniques to identify patterns and correlations that might not be evident to humans. The objective is to estimate the probability of future occurrences based on past data.
Example: A bank using predictive analytics to assess the creditworthiness of customers applying for loans. It evaluates the applicants' past financial data, such as credit history, income, and debt-to-income ratio, to predict the likelihood of loan repayment or default.
3. Prescriptive Analytics:
Prescriptive analytics goes a step further by suggesting optimal actions or decisions to address the potential future events identified by predictive analytics. It integrates optimization techniques, simulation models, and decision theory to help organizations make better decisions in complex situations.
Example: A logistics company using prescriptive analytics to optimize route planning for its delivery truck fleet. Based on factors such as traffic patterns, weather conditions, and delivery deadlines, the algorithm recommends the best routes to minimize fuel consumption, time, and cost.
In summary, descriptive analytics helps organizations understand past events, predictive analytics forecasts the likelihood of future events, and prescriptive analytics suggests optimal actions to take based on these predictions. While descriptive analytics forms the foundation for understanding data, predictive and prescriptive analytics enable organizations to make proactive, data-driven decisions to optimize their operations and reach their goals.
Algorithm:
Suppose we have n jobs with priority p1,…,pn and duration d1,…,dn as well as n machines with capacities c1,…,cn.
We want to find a bijection between jobs and machines. Now, we consider a job inefficiently paired, if the capacity of the machine its paired with is lower than the duration of the job itself.
We want to build an algorithm that finds such a bijection such that the sum of the priorities of jobs that are inefficiently paired is minimized.
The algorithm should be O(nlogn)
My ideas so far:
1. Sort machines by capacity O(nlogn)
2. Sort jobs by priority O(nlogn)
3. Going through the stack of jobs one by one (highest priority first): Use binary search (O(logn)) to find the machine with smallest capacity bigger than the jobs duration (if there is one). If there is none, assign the lowest capacity machine, therefore pairing the job inefficiently.
Now my problem is what data structure I can use to delete the machine capacity from the ordered list of capacities in O(logn) while preserving the order of capacities.
Your help would be much appreciated!
To solve the problem efficiently, you can use a min-heap data structure to store the machine capacities.
Here's the algorithm:Sort the jobs by priority in descending order using a comparison-based sorting algorithm, which takes O(nlogn) time.
Sort the machines by capacity in ascending order using a comparison-based sorting algorithm, which also takes O(nlogn) time.
Initialize an empty min-heap to store the machine capacities.
Iterate through the sorted jobs in descending order of priority:
Pop the smallest capacity machine from the min-heap.
If the machine's capacity is greater than or equal to the duration of the current job, pair the job with the machine.
Otherwise, pair the job with the machine having the lowest capacity, which results in an inefficient pairing.
Add the capacity of the inefficiently paired machine back to the min-heap.
Return the total sum of priorities for inefficiently paired jobs.
This algorithm has a time complexity of O(nlogn) since the sorting steps dominate the overall time complexity. The min-heap operations take O(logn) time, resulting in a concise and efficient solution.
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rafael, fraud unit manager, has just received an interview report from stefano, a systems analyst. rafael was interviewed by stefano and was asked to make corrections and clarifications to the interview report. in which of the following steps of the interview process would this occur?a) Conducting the interview b) Preparing for the interview Selecting interviewees d) Designing interview questions e) Post-interview follow-up
The step of the interview process in which Rafael, fraud unit manager, makes corrections and clarifications to the interview report provided by Stefano, the systems analyst, would occur in the "Post-interview follow-up" step.
What is computer fraud?Computer fraud refers to the use of technology or computer systems to deceive or defraud individuals or organizations for financial gain or other illicit purposes. It can include various activities such as hacking, phishing, identity theft, insider threats, and other forms of cybercrime. Computer fraud is a serious issue that can have significant financial, legal, and reputational consequences for individuals and businesses. To prevent computer fraud, organizations often implement security measures such as firewalls, encryption, multi-factor authentication, and employee training programs.
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JAVA PROJECT USING ( WHILE LOOP )
Bubble 1 and 2 are moving right 1 position.
Bubble 1 and 2 are moving right 1 position.
Bubble 1 and 2 are moving right 1 position.
Bubble 1 and 2 are moving left 1 position.
Bubble 1 and 2 are moving left 1 position.
Bubble 1 and 2 are moving left 1 position.
This is pass 2.
Bubble 1 and 2 are moving right 1 position.
Bubble 1 and 2 are moving right 1 position.
Bubble 1 and 2 are moving left 1 position.
Bubble 1 and 2 are moving left 1 position.
This is pass 3.
Bubble 1 and 2 are moving right 1 position.
Bubble 1 and 2 are moving left 1 position.
This is pass 4.
Bubble 1 is not moving.
Bubble 2 is not moving.
Explanation:
so, what's the question/problem ?
you want to know where the bubbles are after all 4 passes ? right at the original position.
you want to know, how such a while loop could look like ?
int i = 3;
// outer count-down to limit the passes
while (i >= 0) // making 4 passes
{
int j = i;
// inner count-down to limit the right moves
while (j > 0)
{
move(bubble1, right, 1);
move(bubble2, right, 1);
j = j - 1; // count-down
}
j = i;
// inner count-down to limit the left moves
while (j > 0)
{
move(bubble1, left, 1);
move(bubble2, left, 1);
j = j - 1; // count-down
}
i = i - 1; // outer count-down
}
Quinton has been asked to analyze the TTPs of an attack that recently occurred and prepare an SOP to hunt for future treats. When researching the recent attack, Quinton discovered that after penetrating the system, the threat actor moved through the network using elevated credentials. Which technique was the threat actor using to move through the network?
There are different kinds of movement. The technique that was the threat actor using to move through the network is Lateral Movement.
Network Lateral Movement, is simply known as a method used by cyber attackers, or threat actors, to quickly move through a network as they search for the key data and assets that are the main hit or target of their attack work.
In this kind of movement, when an attacker do compromise or have the power or control of one asset within a network, it quickly transport or moves on from that device to others while still within the same network.
Examples of Lateral movement are:
Pass the hash (PtH) Pass the ticket (PtT) Exploitation of remote services, etc.See full question below
Quinton has been asked to analyze the TTPs of an attack that recently occurred and prepare an SOP to hunt for future treats. When researching the recent attack, Quinton discovered that after penetrating the system, the threat actor moved through the network using elevated credentials. Which technique was the threat actor using to move through the network?
A. Initial Compromise
B. Lateral movement
C. Privilege escalation
D. Data exfiltration
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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:
how many total bits do you need to represent 512?
Answer:
9 bits
Explanation:
hope it helps......
Answer:
9 bits
hope it helps...
Write a program to prompt the user to enter a fist name, last name, student ID and GPA. Create a dictionary called Student1 with the data. Repeat this for three students and create Student2 and Student3 dictionaries. Store the three students dictionaries to a new dictionary called ClassList. (ClassList will have Student1, Student2 and Student3 as sub dictionaries). Print out the ClassList. Then remove the GPA and print ClassList again.
Answer:
Answered below
Explanation:
#Program is written in Python
first_name = input ("Enter first name: ")
last_name = input ("Enter last name:")
student_id = int(input("Enter your ID"))
gpa = float(input ("Enter your GPA: "))
student1 = {}
student1["first_name"] = first_name
student1["last_name"] = last_name
student1["student_id"] = student_id
student1["gpa"] = gpa
//Repeat same code for student2 and student3
class_list = {"student1": {"first_name":"joy","last_name":"Son","student_id":"1","gpa":"3.5"},
#Fill in for student 2 and 3}
#To remove GPA for all students
del class_list["student1"]["gpa"]
del class_list["student2"]["gpa"]
del class_list["student3"]["gpa"]
print(class_list)