Answer:
here are some of the limitations or disadvantages of database systems:
Cost: Database systems can be expensive to purchase and maintain.
Complexity: Database systems can be complex to design, implement, and use.
Security: Database systems can be vulnerable to security breaches.
Performance: Database systems can be slow to respond to queries, especially if they are large and complex.
Scalability: Database systems can be difficult to scale up to handle large amounts of data.
Vendor lock-in: Once you choose a database system, it can be difficult to switch to a different system.
Despite these limitations, database systems are still a valuable tool for storing and managing large amounts of data.
Which is a tool that allows you to copy formatting from one place and apply it to other places?
Copy and Paste
Pagination
Styles
Format Painter
The Format Painter is a formatting tool that facilitates copying of formats from one text section to others by applying the same styles swiftly and easily.
What is it used for?It is typically integrated into word processors such as G o o gle Docs or Microsoft Word, rendering it an efficient method for editing texts in various settings. Using this tool, users enjoy effortless manipulation of font types, hues, and alignment, among other forms of formatting requirements.
The steps involved are straightforward; simply pinpoint the origin section, highlight your preferences with just one click, activate the painting feature, and brush over the targeted areas you desire, achieving a uniform format entirely anew.
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Can you provide an example of how computer programming is applied in real-
world situations?
An example of how computer programming is applied in real world situations is the use of traffic lights.
How is this so?
The traffic flow data is processed by the computer to establish the right sequence for the lights at junctions or ramps. The sequencing information is sent from the computer to the signals via communications equipment.
INRIX Signal Analytics is the first cloud-based solution that harnesses big data from linked automobiles to assist traffic experts in identifying and understanding excessive delays at signalized junctions throughout the country — with no hardware or fieldwork required.
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explain the advantage of file-based approach manual data management approach?
Answer:
The main advantage of a file-based approach to manual data management is that it is simple and easy to understand. Each file is used to store a specific type of data, and the files are stored in a logical hierarchy. This makes it easy to find the data you need, and it also makes it easy to keep track of the data.
Another advantage of a file-based approach is that it is very flexible. You can easily add new files or modify existing files to meet your needs. This makes it a good choice for small businesses or organizations that need to be able to adapt quickly to changes.
Finally, a file-based approach is very cost-effective. You don't need to purchase any special software or hardware, and you can easily set it up yourself. This makes it a good choice for businesses or organizations that are on a tight budget.
However, there are also some disadvantages to a file-based approach. One disadvantage is that it can be difficult to manage large amounts of data. Another disadvantage is that it can be difficult to keep track of changes to the data. Finally, a file-based approach can be less secure than other methods of data management.
Overall, a file-based approach to manual data management is a simple, flexible, and cost-effective way to store data. However, it is important to weigh the advantages and disadvantages before deciding if it is the right choice for your needs.
Chapter 6: Use a list to store the players
Update the program so it allows you to store the players for the starting lineup. This
should include the player's name, position, at bats, and hits. In addition, the program
should calculate the player's batting average from at bats and hits.
Console
●
====:
●
MENU OPTIONS
1 Display lineup
2 Add player
3 Remove player
-
4 Move player
5
Edit player position
6 Edit player stats
7 - Exit program
POSITIONS
C, 1B, 2B, 3B, SS, LF, CF, RF, P
=======
Menu option: 2
Name: Mike
Position: OF
Invalid position. Try again.
POSITIONS
C, 1B, 2B, 3B, SS, LF, CF, RF, P
Position: CF
At bats: 4
Hits: 1
Mike was added.
1
2
3
4
Menu option: 1
Player
Baseball Team Manager
Joe
Tom
Ben
Mike
Hits: 3
Mike was updated.
Menu option: 6
Lineup number: 4
You selected Mike AB=0 H=0
At bats: 10
Menu option: 4
Current lineup number: 4
Mike was selected.
New lineup number: 1
Mike was moved.
Menu option: 7
Bye!
POS
P
SS
3B
с
AB
10
11
9
4
H
2431
==================
AVG
Specifications
Use a list of lists to store each player in the lineup.
Use a tuple to store all valid positions (C, 1B, 2B, etc).
Make sure that the user's entry for position is valid, and entries for hits and at bats
make sense.
0.2
0.364
0.333
0.25
Answer:
Here's the updated program that allows you to store the players for the starting lineup using a list of lists:
POSITIONS = ('C', '1B', '2B', '3B', 'SS', 'LF', 'CF', 'RF', 'P')
lineup = []
def display_lineup():
print("Player\tPosition\tAt Bats\tHits\tBatting Average")
for player in lineup:
name, position, at_bats, hits = player
if at_bats == 0:
avg = 0
else:
avg = hits / at_bats
print(f"{name}\t{position}\t\t{at_bats}\t{hits}\t{avg:.3f}")
def add_player():
name = input("Name: ")
position = input("Position: ")
if position not in POSITIONS:
print("Invalid position. Try again.")
return
at_bats = int(input("At bats: "))
hits = int(input("Hits: "))
lineup.append([name, position, at_bats, hits])
print(f"{name} was added.")
def remove_player():
name = input("Name: ")
for player in lineup:
if player[0] == name:
lineup.remove(player)
print(f"{name} was removed.")
return
print(f"{name} is not in the lineup.")
def move_player():
name = input("Name: ")
for i, player in enumerate(lineup):
if player[0] == name:
current_index = i
break
else:
print(f"{name} is not in the lineup.")
return
new_index = int(input("New lineup number: ")) - 1
lineup[current_index], lineup[new_index] = lineup[new_index], lineup[current_index]
print(f"{name} was moved.")
def edit_position():
name = input("Name: ")
for player in lineup:
if player[0] == name:
position = input("New position: ")
if position not in POSITIONS:
print("Invalid position. Try again.")
return
player[1] = position
print(f"{name} was updated.")
return
print(f"{name} is not in the lineup.")
def edit_stats():
name = input("Name: ")
for player in lineup:
if player[0] == name:
at_bats = int(input("At bats: "))
hits = int(input("Hits: "))
player[2] = at_bats
player[3] = hits
print(f"{name} was updated.")
return
print(f"{name} is not in the lineup.")
while True:
print("""
MENU OPTIONS
1 Display lineup
2 Add player
3 Remove player
4 Move player
5 Edit player position
6 Edit player stats
7 Exit program
""")
choice = input("Menu option: ")
if choice == '1':
display_lineup()
elif choice == '2':
add_player()
elif choice == '3':
remove_player()
elif choice == '4':
move_player()
elif choice == '5':
edit_position()
elif choice == '6':
edit_stats()
elif choice == '7':
print("Bye!")
break
else:
print("Invalid option. Try again.")
The program uses a list of lists to store each player in the lineup. Each sublist contains the player's name, position, at bats
Explanation:
ou work for an IT Consulting company, and you have a client that is looking for recommendations to purchase Hard Drive upgrades that increase both speed/raw performance and size. The current drives they are currently using are Mechanical HDDs that are 256GB and spin at 7200 RPM. They are looking to upgrade their workstations and are requesting 2TB size drives with sequential reads/writes up to 2400MB/s/1900MB/s. Your task is to research (2) appropriate recommendations for these specifications, and include:
Vendor links with pricing
Image(s) for each drive
Specifications outline from the vendor
Total prices for each recommendation.
According to the consumer's demand for both agility and size, two compelling SSD options emerge -- the Samsung 970 EVO Plus and the WD Black SN850.
Why is this a good choice?The Samsung 970 EVO Plus boasts sequential reads reaching 3500MB/s as well as writes up to 3300MB/s; its 2TB product is priced at $349.99 on Samsung's website.
When it comes to the WD Black SN850 ,it exhibits brisk sequential readings of 7000MB/s and writings of 5300MB/s; matching the former, this 2TB model also carries a cost of $499.99 through Western Digital's website.
Overall prices for the Samsung 970 EVO Plus and the WD Black SN850 stand at $349.99 and $499.99 respectively. More visuals and precise details can be found on the relevant webstores.
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develop an algorithm to add three numbers and convert it into flowcharts
Algorithm to add three numbers:
StartInitialize variables num1, num2, num3, sumRead num1, num2, and num3 from the userAdd num1, num2, and num3 and store the result in sumDisplay the sumStopWhat is the algorithm?Flowchart:
sql
Copy code
+------------+
| Start |
+------------+
|
V
+------------------+
| Initialize variables |
| num1, num2, num3, sum |
+------------------+
|
V
+-------------------+
| Read num1, num2, and num3 |
+-------------------+
|
V
+------------------+
| Add num1, num2, and num3 |
| and store in sum |
+------------------+
|
V
+-------------+
| Display sum |
+-------------+
|
V
+---------+
| Stop |
+---------+
Therefore, Note: The above flowchart is a simple representation of the algorithm and can be modified as per individual needs.
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Why is it better for a CPU to have more than one cache?
A. The CPU needs to have backup cache units in case of electrical failure.
B. More cache means more areas to hold data waiting to be processed.
C. More cache units is better for the clock speed of the CPU.
D. The cache units are shared between the CPU and the motherboard.
Answer:
B. More cache means more areas to hold data waiting to be processed.
Explanation:
It is better for a CPU to have more than one cache because more cache means more areas to hold data waiting to be processed, which can significantly improve the CPU's performance. When the CPU requests data, it first checks the L1 cache, which is the smallest and fastest cache on the CPU. If the data is not found in the L1 cache, the CPU then checks the L2 cache, which is larger and slightly slower than the L1 cache. If the data is still not found in the L2 cache, the CPU then checks the L3 cache, which is even larger and slower than the L2 cache. Having multiple levels of cache allows the CPU to quickly access frequently used data, which can help reduce the amount of time spent waiting for data to be fetched from the main memory.
Please I need help with the program using Java, it is about the blackjack game and roulette in the casino.
For blackjack, I wrote like this:
int dealer = (int)(Math.random()*10) + 1; // generate random number between 1-10 for dealer
int player = (int)(Math.random()*10) + 1; // generate random number between 1-10 for player
for roulette like this:
int randomNumber = (int)(Math.random()*35) + 1; // generate random number between 1-36
is it correct? If not can you please help me?
Your written code for generating random numbers for both blackjack as well as roulette is correct.
What is the program about?For blackjack, you generate a chance number between 1 and 10 for two together the dealer and the performer using the Math.haphazard() method, and before you increase 1 to the result to get any between 1 and 10. This will work well for the ticket game where the program values are middle from two points 1 and 10, and there is no need to produce numbers above 10.
For roulette, it will work well for the game of game depending on luck, where practice on the wheel range from 1 to 36.
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What is a cross-functional team?
Answer:
groups consisting of people from different functional areas of the company – for example, marketing.
What is the meaning of I.C.T Lab?
please tell
ASAP!!!!
Answer:
The meaning of I.C.T Lab is Computer Lab.
We use I.C.T Lab rather than using Computer Lab as it looks more formal and more Diciplined.
Explanation:
IF MY ANSWER IS HELPFUL THEN PLEASE RATE IT, LIKE IT, FOLLOW ME AND GIVE ME A BRAINLIEST...PLEASE.
THANK YOU...!
Answer:
Information and Communication Technology
Explanation:
In the lab, I.C.T stands for Information and Communication Technology. The ICT Lab is constructed and outfitted with computers and other learning resources to improve the study and teaching of Computer Studies, Data Processing, and other related disciplines and academic activities.
Using access generate sql codes
Assuming you possess a table entitled "employees" consisting of columns "employee_id", "name", and "salary", to retrieve all employees and their corresponding salaries,
The SQL code is as follows:SELECT name, salary FROM employees;
To filter by an individual employee_id, utilize:
SELECT name, salary FROM employees WHERE employee_id = [employee_id];
For sorting results in descending order of salary, employ:
SELECT name, salary FROM employees ORDER BY salary DESC;
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8
Drag each tile to the correct location. Not all tiles will be used.
Complete the code for defining a table using the correct tags.
Name
Age
Jill Smith
50
94
Eve Jackson
Match the president name and he expanded:
Franklin Roosevelt: Used veto power for political reasons.Harry Truman: Bypassed Congress to declare war in Korea.Andrew Jackson: presidential power, Issued the most, Executive orders.On March 15, 1767, Andrew Jackson was born; he passed away on June 8, 1845. He was to stand in for the "corrupt bargain" that, in his opinion, cost him the presidency and gave him the drive to win the next election no matter what.
According to the various president are the various decision. The president is the used of the power to take the decision.
Franklin Roosevelt: The veto power and the political reasons.
Harry Truman: The used right to declare war in Korea.
Andrew Jackson: president power, executive orders.
As a result, the significance of the Andrew Jackson are the aforementioned.
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The question seems to be incomplete, the complete question will be:
Drag the tiles to the correct boxes to complete the pairs.
Match each president’s name to the correct description of how he expanded.
Franklin Roosevelt, Harry Truman, Andrew Jackson
presidential power.
Issued the most
executive orders
Used veto power for
political reasons
Bypassed Congress to
declare war in Korea
Mr. Murphy is ordering pens for a fundraiser. He has 2 boxes of pens in his office. There are 5 bundles of pens in each box. Each bundle is made up of 50 pens. Mr. Murphy wants to have 750 pens available for the fundraiser. How many more pens should he order
In this problem, we are given that Mr. Murphy has 2 boxes of pens in his office, with 5 bundles of pens in each box, and 50 pens in each bundle. We can find the total number of pens Mr. Murphy currently has by multiplying the number of boxes by the number of bundles in each box, and then by the number of pens in each bundle. This gives us:
2 boxes x 5 bundles per box x 50 pens per bundle = 500 pens
Next, we are told that Mr. Murphy wants to have 750 pens available for the fundraiser. To determine how many more pens he needs to order, we can subtract the number of pens he currently has from the total number of pens he wants to have:
750 pens - 500 pens = 250 pens
This tells us that he needs to order 250 more pens to have a total of 750 pens available for the fundraiser.
Mr. Murphy currently has 500 pens in his office because 2 x 5 x 50 = <<2*5*50=500>>500.
Mr. Murphy needs to order 250 more pens because 750 - 500 = <<750-500=250>>250.
Therefore, Mr. Murphy should order 250 more pens.
I need mega help ASAP. I need this code in java and I've attempted so many different codes and none work. Please help! This is what I have so far; the instructions are in the image below!
import java.util.Scanner;
public class MyProgram
{
public static void main(String[] args)
{
int num = 0;
Scanner input = new Scanner(System.in);
while(true){
try{
System.out.println("Enter a number.");
num = input.nextInt();
if(num <= 0){
System.out.println("Number must be greater than 0");
continue;
}
break;
}
catch(Exception e){
System.out.println("Print error message here");
input.nextLine();
}
}
//make calculations
//double bmi = 0;
//bmi = (704 * weight) / (height * height);
System.out.println("Program ended");
}
}
Answer:
import java.util.Scanner;
public class MyProgram {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
// Prompt the user to enter their weight in kilograms.
System.out.println("Enter your weight in kilograms: ");
double weight = input.nextDouble();
// Prompt the user to enter their height in meters.
System.out.println("Enter your height in meters: ");
double height = input.nextDouble();
// Calculate the BMI.
double bmi = (weight * 703) / (height * height);
// Print the BMI.
System.out.println("Your BMI is " + bmi);
// Classify the BMI.
if (bmi < 18.5) {
System.out.println("You are underweight.");
} else if (bmi < 25) {
System.out.println("You have a normal weight.");
} else if (bmi < 30) {
System.out.println("You are overweight.");
} else if (bmi < 35) {
System.out.println("You are obese.");
} else {
System.out.println("You are severely obese.");
}
}
}
The regression equation for the relationship between age and autonomy (with the latter as the dependent variable) is autonom = 6.964 + 0.06230age r = 0.28
(a) Explain what 6.964 means.
(b) Explain what 0.06230 means.
(c) How well does the regression equation fit the data?
(d) What is the likely level of autonom for someone aged 54?
(e) Using R, how would you generate this regression information?
(a) 6.964 is the intercept of the regression equation, representing the estimated level of autonomy when age is zero.
What is the slope of the regression equation?(b) 0.06230 is the slope of the regression equation, representing the estimated change in autonomy for each one-unit increase in age.
(c) The regression equation has a weak positive correlation (r = 0.28) between age and autonomy, indicating that age explains only a small proportion of the variance in autonomy.
(d) The likely level of autonomy for someone aged 54 can be estimated by plugging in 54 for age in the regression equation: autonomy = 6.964 + 0.06230(54) = 10.227.
(e) In R, you could generate this regression information using the lm() function, specifying the dependent variable (autonomy) and the independent variable (age) in the formula argument. The summary() function can be used to obtain the regression coefficients and correlation coefficient (r).
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PLEASE HELP ASAP WILL GIVE 100 POINTS!!!!
Suppose a packet that is transmitted across the internet contains the following information (from left to right):
Bits 1-4: Packet sequence number within the message.
Bits 5-8: Total number of packets in the message.
Bits 9-16: Number identifying the sender.
Bits 17-24: Number identifying the receiver.
Bits 25-64: Part of the actual message being sent.
Here is one of the packets being sent over the internet:
01111011 10000001 11001110 01010110 00111100 10011100 11100010 10001111
Which of the following statements about this packet is true? Select one answer
A)This is packet 1 out of 8 total packets in the message.
B)This is packet 7 out of 11 total packets in the message.
C)This is packet 14 out of 22 total packets in the message.
D)This is packet 123 out of 129 total packets in the message.
Answer:
The correct answer is C.
The packet sequence number is stored in bits 1-4, which in this case is 10011100. This is equal to 23 in decimal.
The total number of packets in the message is stored in bits 5-8, which in this case is 01010110. This is equal to 22 in decimal.
Therefore, this is packet 23 out of 22 total packets in the message.
* * *
Here is a breakdown of the bits in the packet:
```
Bits | Description
------- | --------
1-4 | Packet sequence number
5-8 | Total number of packets in the message
9-16 | Sender ID
17-24 | Receiver ID
25-64 | Message data
`
3. Give the trace of your machine in the previous problem processing the strings 1011 and 10
A Mealy machine and a Moore machine can be designed to detect the sequence "1011". For the Mealy machine, states represent the matched part of the sequence, and output depends on transitions.
For the Moore machine, states also represent the matched part, and output depends on states.
To design a Mealy machine, follow these steps:
1. Create states (S0, S1, S2, S3) representing matched parts of the sequence.
2. Add input edges and output labels for each transition (0 or 1).
3. For correct input, transition to the next state (e.g., S0 -> S1 on input 1).
4. For incorrect input, transition back to the appropriate state.
5. Set output 1 when the final state is reached (S3), and 0 otherwise.
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Reflection:
A. What I've learned in media and information literacy
Media and information literacy enables me to have access, analysis, evaluation & creation of media/information in various formats.
What is the lesson in media and information literacy?The media and information literacy a crucial skill in today's society, with prevalent issues like information overload & fake news. MIL helps develop critical thinking, awareness of biases and propaganda, and informed decision making.
So, It includes info retrieval, media analysis and evaluation, and ethical considerations in media creation. In the digital age, MIL is crucial. People need to spot credible sources and comprehend data presentation across media formats. As tech progresses, we must keep improving our MIL skills for media & info navigation. It's our social duty.
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Create a list of books you like most. Make sure the list has more than 7 books. Assume you want to randomly assign one book to read to each of your 7 friends. Make sure no two people get the same book assigned to them.
This a coding question, so paste your answer directly from python
Answer:
import random
# List of books
books = ["To Kill a Mockingbird", "The Great Gatsby", "Pride and Prejudice", "1984", "Animal Farm", "Brave New World", "The Catcher in the Rye", "One Hundred Years of Solitude", "The Lord of the Rings", "Harry Potter and the Philosopher's Stone", "The Hobbit", "The Hunger Games", "The Da Vinci Code", "Angels and Demons", "The Girl with the Dragon Tattoo", "Gone Girl", "The Fault in Our Stars"]
# Shuffle the list of books randomly
random.shuffle(books)
# Assign one book to each of seven friends without repeating any book
for i in range(7):
print("Friend", i+1, "will read:", books[i])
This code will randomly shuffle the list of books and then assign one book to each of seven friends without repeating any book. The output will display the name of each friend followed by the book assigned to them.
Explanation:
hello!..
Here's the code: ↓```python
import random
# List of books you like most
favorite_books = [
"The Great Gatsby",
"To Kill a Mockingbird",
"1984",
"Pride and Prejudice",
"The Catcher in the Rye",
"The Lord of the Rings",
"Harry Potter and the Sorcerer's Stone",
"The Hobbit",
"The Hunger Games",
"The Da Vinci Code",
]
# Create a copy of the list to shuffle
available_books = favorite_books.copy()
# Initialize a dictionary to store book assignments
book_assignments = {}
# Create a list of your 7 friends
friends = ["Friend1", "Friend2", "Friend3", "Friend4", "Friend5", "Friend6", "Friend7"]
# Assign books to friends randomly without duplicates
for friend in friends:
if available_books:
assigned_book = random.choice(available_books)
book_assignments[friend] = assigned_book
available_books.remove(assigned_book)
else:
break # No more books available
# Print the book assignments
for friend, book in book_assignments.items():
print(f"{friend} will read: {book}")
```
↪ This code will randomly assign one book from your list of favorite books to each of your 7 friends, ensuring that no two friends receive the same book.
Why is DevOps enablement necessary?
Here are some of the main reasons why DevOps enablement is essential:
Faster time-to-marketImproved collaboration:What is the DevOps?DevOps enablement is necessary because it helps organizations to improve their software delivery processes and accelerate their time-to-market.
Faster time-to-market: DevOps enables organizations to deliver software more quickly and efficiently by automating the software development, testing, and deployment processes. This means that software can be developed and released to the market faster, giving organizations a competitive advantage.
Improved collaboration: DevOps encourages collaboration and communication between development, operations, and other stakeholders, breaking down silos and promoting cross-functional teamwork. This collaboration helps to identify and fix issues more quickly and improves overall quality.
Increased agility: DevOps enables organizations to respond more quickly to changing market conditions, customer needs, and emerging technologies. By adopting DevOps practices, organizations can make changes and updates to their software more quickly and efficiently, without sacrificing quality.
Lastly, Improved quality: DevOps practices such as continuous integration and continuous delivery (CI/CD) help to ensure that software is tested thoroughly and regularly, reducing the likelihood of bugs and errors. This improves overall quality and customer satisfaction.
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6.1.1 bricks codehs javascript please
Answer:
// This code is for the Breakout game in CodeHS.
// Create the canvas.
var canvas = document.getElementById("game-canvas");
// Create the ball.
var ball = {
x: canvas.width / 2,
y: canvas.height / 2,
dx: 5,
dy: -5
};
// Create the paddle.
var paddle = {
x: canvas.width / 2,
y: canvas.height - 20
};
// Create the bricks.
var bricks = [];
for (var i = 0; i < 10; i++) {
for (var j = 0; j < 5; j++) {
bricks.push({
x: 20 + j * 100,
y: 20 + i * 20
});
}
}
// Draw the ball.
function drawBall() {
var ctx = canvas.getContext("2d");
ctx.fillStyle = "red";
ctx.fillCircle(ball.x, ball.y, 10);
}
// Draw the paddle.
function drawPaddle() {
var ctx = canvas.getContext("2d");
ctx.fillStyle = "blue";
ctx.fillRect(paddle.x, paddle.y, 100, 20);
}
// Draw the bricks.
function drawBricks() {
var ctx = canvas.getContext("2d");
ctx.fillStyle = "gray";
for (var i = 0; i < bricks.length; i++) {
ctx.fillRect(bricks[i].x, bricks[i].y, 100, 20);
}
}
// Update the ball's position.
function updateBall() {
ball.x += ball.dx;
ball.y += ball.dy;
// If the ball hits the top or bottom of the canvas, reverse its y-direction.
if (ball.y < 0 || ball.y > canvas.height) {
ball.dy = -ball.dy;
}
// If the ball hits the left or right side of the canvas, reverse its x-direction.
if (ball.x < 0 || ball.x > canvas.width) {
ball.dx = -ball.dx;
}
// If the ball hits the paddle, reverse its x-direction.
if (ball.x + 10 > paddle.x && ball.x < paddle.x + 100 && ball.y > paddle.y && ball.y < paddle.y + 20) {
ball.dx = -ball.dx;
}
// If the ball hits a brick, remove the brick and reverse the ball's x-direction.
for (var i = 0; i < bricks.length; i++) {
if (ball.x + 10 > bricks[i].x && ball.x < bricks[i].x + 100 && ball.y > bricks[i].y && ball.y < bricks[i].y + 20) {
bricks.splice(i, 1);
ball.dx = -ball.dx;
break;
}
}
}
// Start the game loop.
function startGame() {
// Clear the canvas.
var ctx = canvas.getContext("2d");
ctx.clearRect(0, 0, canvas.width, canvas.height);
// Draw the ball.
drawBall();
// Draw the paddle.
drawPaddle();
// Draw the bricks.
drawBricks();
// Start the game loop.
setInterval(updateBall, 20);
}
// Start the game.
startGame();
Here is one possible answers for the CodeHS Javascript and Graphics 3.2.4 activity that prints the statement.
What is center of the circle?The center of a circle is the center point in a circle from which all the distances to the points on the circle are equal. This distance is called the radius of the circle. Here, point P is the center of the circle.
The diameter of a circle is the distance from a point on the circle to a point. radians away, and is the maximum distance from one point on a circle to another. The diameter of a sphere is the maximum distance between two antipodal points on the surface of the sphere.
The Code HS activity may have specific requirements or constraints that this solution does not take into account. It's best to review the instructions and use this as a guide.
Therefore, The distance between the center of the circle to its circumference is the radius.
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Part II: additional problems 1, 2, and 3 listed below.
For each problem:
a. Identify the given table as 1NF, 2NF, 3NF, or UNF (contains repeating group).
b. Identify all partial and transitive dependencies by drawing a dependency diagram
(for a UNF table, transform it to 1NF, then draw the dependency diagram).
c. Transform all tables into 3NF by following the steps below. For c, you do NOT have
to draw dependency diagrams.
1. STUDENT (STUDENT SSN, ST_NAME, MAJOR, ADVISOR NUM, ADV_NAME,
ADV OFFICE. ADV PHONE ST CREDITHRS, CLASS STANDING)
where:
STUDENT SSN
- All other attributes
ADVISOR NUM› ADV_NAME, ADV OFFICE, ADV PHONE
ST CREDIT HRS > CLASS STANDING
Note: XYZ > ORS means that XYZ determines ORS
You can also find this notation in figure 6.3 and definition of determination on page
62.
2. MOVIE (MOVIE NUM, MOVIE TITLE, STAR NUM, STAR NAME)
Sample data: (You can determine primary key based on the sample data.)
MOVIE NUM
MOVIE TITLE
STAR NUM
I STAR NAME
M001
The Mummy
S001
Brendan Fraser
S002
Rachel Weisz
M002
Crash
S001
Brendan Fraser
S003
Sandra Bullock
(You may notice one movie can feature many stars and one star can act in many movies.)
3. MOVIE (MOVIE NUM, MOVIE TITLE, DIRECTOR NUM, DIR NAME)
where:
MOVIE NUM
> MOVIE TITLE, DIRECTOR NUM, DIR NAME
DIRECTOR_NUM >
DIR NAME
The problem involves analyzing given tables and identifying their normal form, dependencies, and transforming them to 3NF if necessary.
What is the explanation for the above response?
1) a. UNF (contains a repeating group)
b.
STUDENT SSN > ST_NAME, MAJOR, ADVISOR NUM, ST CREDITHRS, CLASS STANDING
ADVISOR NUM > ADV_NAME, ADV OFFICE, ADV PHONE
STUDENT SSN is the primary key of the table.
c.
1NF:
STUDENT (STUDENT SSN, ST_NAME, MAJOR, ADVISOR NUM, ST CREDITHRS, CLASS STANDING)
ADVISOR (ADVISOR NUM, ADV_NAME, ADV OFFICE, ADV PHONE)
2)
a. 1NF
b.
MOVIE NUM > MOVIE TITLE
STAR NUM > STAR NAME
MOVIE NUM, STAR NUM is the primary key of the table.
c.
1NF:
MOVIE_STAR (MOVIE NUM, STAR NUM)
STAR (STAR NUM, STAR NAME)
MOVIE (MOVIE NUM, MOVIE TITLE)
3)
a. 3NF
b.
MOVIE NUM > MOVIE TITLE
DIRECTOR NUM > DIR NAME
MOVIE NUM is the primary key of the table.
c.
The given table is already in 3NF, so no transformation is needed.
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Java please. Copy and paste your code and screenshot your output if you can to prove that its works. Make sure you run the program to see if the code actually works.
Fill in the blank: Most vendors or computer hardware manufacturers will assign a special string of characters to their devices called a _____.
Answer:
hardware ID number
Explanation:
what is technology and it uses
Answer:
Technology is the application of knowledge for achieving practical goals in a reproducible way. The word technology can also mean the products resulting from such efforts, including both tangible tools such as utensils or machines, and intangible ones such as software.
uses
Communication
social media
health care
Answer:
We use technologies to exchange information, to clean our clothes, to prepare our meals and to get from one place to another. But even everyday items like door locks, floor panels and furniture are technologies that we now take for granted and that seem less impressive to us than self-driving cars or 3D printing. But technology doesn’t automatically have to be complicated. Simply put, we are always using technology when we use scientific knowledge to achieve a specific purpose, whether in industry or in our daily lives. From the discovery of the wheel to computers and from mp3 players to the latest technologies like self-driving cars, countless technological innovations have shaped daily life and will continue to influence it in the future.
5. a. Suppose a shared-memory system uses snooping cache coherence and write-back caches. Also suppose that core 0 has the variable x in its cache, and it executes the assignment x = 5. Finally suppose that core 1 doesn’t have x in its cache, and after core 0’s update to x, core 1 tries to execute y = x. What value will be assigned to y? Why? b. Suppose that the shared-memory system in the previous part uses a directory-based protocol. What value will be assigned to y? Why? c. Can you suggest how any problems you found in the first two parts might be solved?
a. The value assigned to y will be 5 because core 1 will snoop and invalidate its own cache copy of x, then fetch the updated value from core 0's cache.
What is the value for y?b. The value assigned to y will also be 5 because the directory-based protocol will update the directory and broadcast the invalidation to core 1, causing it to fetch the updated value from core 0's cache.
c. To solve any potential problems, the system could use a different cache coherence protocol, such as write-through caches, or implement a locking mechanism to ensure exclusive access to shared variables.
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write algorithm to determine a student final grade and indicate whether it passing or failing the final grade is calculate as the average of four marks
This approach makes the assumption that the marks have already been entered and are being saved in a list or array. If not, you will need to provide input statements to collect the user's marks.
How do you determine whether a learner has passed or failed an algorithm?Let's say the passing score in Microsoft Excel is 70. And the student's grades are a B4. Afterward, type the following formula in cell C4: =IF(B470,"FAIL","PASS"). Accordingly, insert the word FAIL in cell B4 if the score in B4 is less than 70, otherwise/otherwise enter the wordPASS.
1. Set sum to zero
2. FOR i = 0 to 3
3. input symbols [i]
4. SET marks[i] = marks + sum
5. END WITH
SET average = total / 4.
7. Set the final grade to the average.
PRINT "Passing" + final_grade IF final_grade >= 50.
10. ELSE
11. PRINT "Failing" followed by the grade
12. END IF
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which ine if these is a subtractive theory
Answer: b I think please correct me if I'm wrong
Explanation:
Given a partial main.py and PlaneQueue class in PlaneQueue.py, write the push() and pop() instance methods for PlaneQueue. Then complete main.py to read in whether flights are arriving or have landed at an airport.
An "arriving" flight is pushed onto the queue.
A "landed" flight is popped from the front of the queue.
Output the queue after each plane is pushed or popped. Entering -1 exits the program.
Click the orange triangle next to "Current file:" at the top of the editing window to view or edit the other files.
Note: Do not edit any existing code in the files. Type your code in the TODO sections of the files only. Modifying any existing code may result in failing the auto-graded tests.
Important Coding Guidelines:
Use comments, and whitespaces around operators and assignments.
Use line breaks and indent your code.
Use naming conventions for variables, functions, methods, and more. This makes it easier to understand the code.
Write simple code and do not over complicate the logic. Code exhibits simplicity when it’s well organized, logically minimal, and easily readable.
Ex: If the input is:
arriving AA213
arriving DAL23
arriving UA628
landed
-1
the output is:
Air-traffic control queue
Next to land: AA213
Air-traffic control queue
Next to land: AA213
Arriving flights:
DAL23
Air-traffic control queue
Next to land: AA213
Arriving flights:
DAL23
UA628
AA213 has landed.
Air-traffic control queue
Next to land: DAL23
Arriving flights:
UA628
code:
from PlaneQueue import PlaneQueue
from PlaneNode import PlaneNode
if __name__ == "__main__":
plane_queue = PlaneQueue()
# TODO: Read in arriving flight codes and whether a flight has landed.
# Print the queue after every push() or pop() operation. If the user
# entered "landed", print which flight has landed. Continue until -1
# is read.
The Python code is created to imitate a simple ground monitors of aircraft system. It imports two classes from two various Python files: PlaneQueue from PlaneQueue.py and PlaneNode from PlaneNode.py. The code is given in the image attached.
What is the code about?The PlaneQueue class is used to constitute a queue dossier structure to hold succeeding flights, while the PlaneNode class is used to conceive instances of individual planes.
The main.py file contains the main program that establishes an instance of the PlaneQueue class and reads in flight codes and either a departure has landed.
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I'm a little confused about how this is worked out. The value on the left is the largest binary value, and the right is the smallest.
0.0011₂ < 0.24₁₀ < 0.0100₂
The decimal value 0.24 is in the middle and the binary value 0.0100 is the greatest of the three numbers, with binary value 0.0011 being the lowest.
Which decimal binary number is the smallest?There is only one 4-digit binary number, which is zero. The smaller number in binary, decimal, and hexadecimal bases is actually this one. Therefore, 0 is the smallest 4-digit binary number and it remains 0 when expressed in any other base.
What does 0.1 mean in binary form?The binary representation of the number 0.1 is 0.00011001100110011... The 0011 pattern is infinitely repeatable. The binary equivalent of 0.1 cannot be stored. 1/10 is equal to 0.1, as we all know.
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