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
Answers
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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Related Questions
machine learning naives bales + ensemble methods
Answers
The claim "This ensemble model needs to select the number of trees used in the ensemble as to avoid overfitting" is generally true for AdaBoost.
How to explain the modelRegarding the provided information, for AdaBoost using decision tree stumps, the algorithm would iteratively re-weight the misclassified samples from previous iterations, giving more emphasis on the ones that were harder to classify. This allows the algorithm to focus on the harder samples and eventually improve the overall accuracy.
The weights of the samples in AdaBoost would depend on the error rate of the current classifier, which is a combination of the current weak classifier and the previously selected ones.
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I need help with the following c program:
(1) Prompt the user for a string that contains two strings separated by a comma. (1 pt)
Examples of strings that can be accepted:
Jill, Allen
Jill , Allen
Jill,Allen
Ex:
Enter input string:
Jill, Allen
(2) Report an error if the input string does not contain a comma. Continue to prompt until a valid string is entered. Note: If the input contains a comma, then assume that the input also contains two strings. (2 pts)
Ex:
Enter input string:
Jill Allen
Error: No comma in string.
Enter input string:
Jill, Allen
(3) Extract the two words from the input string and remove any spaces. Store the strings in two separate variables and output the strings. (2 pts)
Ex:
Enter input string:
Jill, Allen
First word: Jill
Second word: Allen
(4) Using a loop, extend the program to handle multiple lines of input. Continue until the user enters q to quit. (2 pts)
Ex:
Enter input string:
Jill, Allen
First word: Jill
Second word: Allen
Enter input string:
Golden , Monkey
First word: Golden
Second word: Monkey
Enter input string:
Washington,DC
First word: Washington
Second word: DC
Enter input string:
q
Answers
Answer: ↓NEW↓
#include <stdio.h>
#include <string.h>
int main() {
char input[100];
char first[50];
int i, len;
while (1) {
printf("Enter input string:\n");
fgets(input, 100, stdin);
len = strlen(input);
if (len > 0 && input[len-1] == '\n') {
input[len-1] = '\0';
}
if (strcmp(input, "q") == 0) {
break;
}
int found_comma = 0;
for (i = 0; i < len; i++) {
if (input[i] == ',') {
found_comma = 1;
break;
}
}
if (!found_comma) {
printf("Error: No comma in string.\n");
continue;
}
int j = 0;
for (i = 0; i < len; i++) {
if (input[i] == ' ') {
continue;
}
if (input[i] == ',') {
first[j] = '\0';
break;
}
if (j < 50) {
if (input[i] >= 'A' && input[i] <= 'Z') {
first[j] = input[i] - 'A' + 'a';
} else {
first[j] = input[i];
}
j++;
}
}
printf("First word: %s\n", first);
}
return 0;
}
Explanation:
↓OLD↓
#include <stdio.h>
#include <string.h>
int main() {
char input[100];
char first[50], second[50];
int i, len;
while (1) {
printf("Enter input string:\n");
fgets(input, 100, stdin);
len = strlen(input);
if (len > 0 && input[len-1] == '\n') { // remove newline character
input[len-1] = '\0';
}
if (strcmp(input, "q") == 0) { // check if user wants to quit
break;
}
// check if input contains a comma
int found_comma = 0;
for (i = 0; i < len; i++) {
if (input[i] == ',') {
found_comma = 1;
break;
}
}
if (!found_comma) { // report error if no comma is found
printf("Error: No comma in string.\n");
continue;
}
// extract first and second words and remove spaces
int j = 0;
for (i = 0; i < len; i++) {
if (input[i] == ' ') {
continue;
}
if (input[i] == ',') {
first[j] = '\0';
j = 0;
continue;
}
if (j < 50) {
if (input[i] >= 'A' && input[i] <= 'Z') { // convert to lowercase
first[j] = input[i] - 'A' + 'a';
} else {
first[j] = input[i];
}
j++;
}
}
second[j] = '\0';
j = 0;
for (i = 0; i < len; i++) {
if (input[i] == ' ') {
continue;
}
if (input[i] == ',') {
j = 0;
continue;
}
if (j < 50) {
if (input[i] >= 'A' && input[i] <= 'Z') { // convert to lowercase
second[j] = input[i] - 'A' + 'a';
} else {
second[j] = input[i];
}
j++;
}
}
second[j] = '\0';
printf("First word: %s\n", first);
printf("Second word: %s\n", second);
}
return 0;
}
This program prompts the user for a string that contains two words separated by a comma, and then extracts and removes any spaces from the two words. It uses a loop to handle multiple lines of input, and exits when the user enters "q". Note that the program converts all uppercase letters to lowercase.
Describe the use of one of the following protocols: FTP, HTTP, HTTPS ,SMTP and SFTP. Which one considers as a security protocol?
Answers
SMTP is a communication protocol used for sending and receiving email messages over the internet. While SMTP itself is not primarily a security protocol, it can be used in conjunction with other security protocols such as SSL/TLS encryption to provide secure email communication. When used with SSL/TLS encryption, SMTP is commonly referred to as SMTPS.
How can formal business documents help managers solve problems?
OA. By making decisions so the managers do not have to handle them
B. By presenting well-organized, accurate information about a
problem
C. By creating a record of every action taken during a meeting
D. By eliminating the need for schedules and budgets to track
progress
Answers
Formal business documents can help managers solve problems by presenting well-organized, accurate information about a problem. So the correct answer would be option B.
A collection of information which is accessed through the internet is called
Answers
Answer:
The collection of information, which is accessed through the internet is known as web pages.
pls like and mark as brainliest if it helps!
which ine if these is a subtractive theory
Answers
Answer: b I think please correct me if I'm wrong
Explanation:
Draw an ER diagram for the following car sharing system:
In the car sharing system, a CarMatch application has record of anyone who would like to share his/her car, known as a CarSharer. An Administrator registers all the potential CarSharers and with their first name, last name, home address, and date of birth. Each CarSharer is also assigned a unique id. A CarSharer can take policies issued by the Insurance Company. Each policy has a number, premium, and a start date. A CarSharer needs to know the start and destination address of each Journey.
Answers
An ER diagram for the following car sharing system is given below.
+--------------+ +-------------+ +-----------------+
| CarSharer | | Journey | | InsurancePolicy |
+--------------+ +-------------+ +-----------------+
| id | | id | | number |
| first_name | | start_addr | | premium |
| last_name | |destin_addr | | start_date |
| home_addr | | carsharer_id| +----->| carsharer_id |
| date_of_birth| +--->| | | +-----------------+
+--------------+ +-------------+ |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
+---------------------+
|
|
+-------------+
| Administrator |
+-------------+
| id |
+--------------+
What is the diagram about?The diagram shows the relationships between the entities in the system.
A CarSharer has a unique id and is associated with many Journeys and InsurancePolicies. They have properties such as first_name, last_name, home_addr, and date_of_birth.
A Journey has a unique id and is associated with one CarSharer. It has properties such as start_addr and destin_addr.
An InsurancePolicy has a unique number and is associated with one CarSharer. It has properties such as premium and start_date.
An Administrator has a unique id and is responsible for registering potential CarSharers.
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There is a limit of 15 slides that PowerPoint will allow you to have for any presentation:
O True
O False
Answers
A blank provides power to a hydraulic system by pumping oil from a reservoir into the supply lines
Answers
In a hydraulic system a reservoir baffle prevents the hydraulic oil from moving directly from the system return line to the pump suction line.
It should be understood that a hydraulic system simply means a mechanical function that operates through the force of liquid pressure.
In this case, in a hydraulic system a reservoir baffle prevents the hydraulic oil from moving directly from the system return line to the pump suction line.
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Which option is the best example of a computing device using abstraction to
connect images with social systems?
A. Social media platforms showing ads based on a user's shopping
behavior
OB. Video platforms suggesting similar videos based on a user's
viewing history
O C. Video platforms showing ads based on previously watched videos
OD. Social media platforms tagging individuals in photos
SUBMIT
Answers
The best example of a computing device using abstraction to connect images with social systems is option (D), social media platforms tagging individuals in photos.
What is the computing device?Labeling people in photographs includes deliberation because the computing gadget ought to analyze the picture to distinguish the people display within the photo. This requires the utilize of computer vision calculations that can recognize faces and coordinate them to names in a social system's client database.
Moreover, the act of labeling people in photographs makes associations between social frameworks, as the labeled people are informed and can at that point connected with the photo and with each other.
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I need help with the following c program:
(1) Prompt the user for a string that contains two strings separated by a comma. (1 pt)
Examples of strings that can be accepted:
Jill, Allen
Jill , Allen
Jill,Allen
Ex:
Enter input string:
Jill, Allen
(2) Report an error if the input string does not contain a comma. Continue to prompt until a valid string is entered. Note: If the input contains a comma, then assume that the input also contains two strings. (2 pts)
Ex:
Enter input string:
Jill Allen
Error: No comma in string.
Enter input string:
Jill, Allen
(3) Extract the two words from the input string and remove any spaces. Store the strings in two separate variables and output the strings. (2 pts)
Ex:
Enter input string:
Jill, Allen
First word: Jill
Second word: Allen
(4) Using a loop, extend the program to handle multiple lines of input. Continue until the user enters q to quit. (2 pts)
Ex:
Enter input string:
Jill, Allen
First word: Jill
Second word: Allen
Enter input string:
Golden , Monkey
First word: Golden
Second word: Monkey
Enter input string:
Washington,DC
First word: Washington
Second word: DC
Enter input string:
q
Answers
The code for the following requirements is mentioned below.
Describe C programming?C is a procedural programming language that was originally developed by Dennis Ritchie in the 1970s at Bell Labs. It is a general-purpose language that can be used for a wide range of applications, from low-level system programming to high-level application programming.
C is a compiled language, which means that source code is translated into machine code by a compiler before it is executed. This makes C programs fast and efficient, and allows them to run on a wide variety of platforms.
C provides a rich set of built-in data types and operators, including integers, floating-point numbers, characters, and arrays. It also supports control structures such as if-else statements, loops, and switch statements, which allow programmers to write complex logic and control the flow of their programs.
Here's the C program that fulfills the requirements:
#include <stdio.h>
#include <string.h>
int main() {
char input[100], word1[50], word2[50];
char *token;
while (1) {
printf("Enter input string:\n");
fgets(input, sizeof(input), stdin);
// Check if user wants to quit
if (input[0] == 'q') {
break;
}
// Check if input contains a comma
if (strchr(input, ',') == NULL) {
printf("Error: No comma in string.\n");
continue;
}
// Extract words from input and remove spaces
token = strtok(input, ",");
strcpy(word1, token);
token = strtok(NULL, ",");
strcpy(word2, token);
// Remove leading and trailing spaces from words
int i, j;
i = 0;
while (word1[i] == ' ') {
i++;
}
j = strlen(word1) - 1;
while (word1[j] == ' ' || word1[j] == '\n') {
j--;
}
word1[j + 1] = '\0';
memmove(word1, word1 + i, j - i + 2);
i = 0;
while (word2[i] == ' ') {
i++;
}
j = strlen(word2) - 1;
while (word2[j] == ' ' || word2[j] == '\n') {
j--;
}
word2[j + 1] = '\0';
memmove(word2, word2 + i, j - i + 2);
// Output words
printf("First word: %s\n", word1);
printf("Second word: %s\n", word2);
}
return 0;
}
Explanation:
We use the fgets() function to read input from the user, which allows us to handle input with spaces. We store the input in the input array.We use the strchr() function to check if the input contains a comma. If not, we output an error message and continue to the next iteration of the loop.We use the strtok() function to extract the two words from the input. We store each word in a separate variable (word1 and word2). We then use a loop to remove any leading or trailing spaces from each word.We use a while loop to prompt the user for input until they enter "q" to quit.To know more about function visit:
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Python Yahtzee:
Yahtzee is a dice game that uses five die. There are multiple scoring abilities with the highest being a Yahtzee where all five die are the same. You will simulate rolling five die 777 times while looking for a yahtzee.
Program Specifications :
Create a list that holds the values of your five die.
Populate the list with five random numbers between 1 & 6, the values on a die.
Create a function to see if all five values in the list are the same and IF they are, print the phrase "You rolled ##### and its a Yahtzee!" (note: ##### will be replaced with the values in the list)
Create a loop that completes the process 777 times, simulating you rolling the 5 die 777 times, checking for Yahtzee, and printing the statement above when a Yahtzee is rolled.
Answers
The program to simulate rolling five dice 777 times and checking for a Yahtzee is given below.
How to write the programimport random
def check_yahtzee(dice):
"""Check if all five dice have the same value"""
return all(dice[i] == dice[0] for i in range(1, 5))
for i in range(777):
# Roll the dice
dice = [random.randint(1, 6) for _ in range(5)]
# Check for Yahtzee
if check_yahtzee(dice):
print("You rolled {} and it's a Yahtzee!".format(dice))
In conclusion, this is the program to simulate rolling five dice 777 times and checking for a Yahtzee.
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Client applications used the SDP (sockets direct protocol) to initiate and run connections. Which layer of the OSI reference model uses this protocol?
A.
application layer
B.
network layer
C.
presentation layer
D.
session layer
E.
transport layer
Answers
Answer:The corect awnser is (E)
The SDP (Sockets Direct Protocol) is a networking protocol that is used to enable direct access to remote memory in a high-performance computing (HPC) environment. It is typically used by applications that require low-latency and high-bandwidth network communication.
The OSI (Open Systems Interconnection) reference model consists of seven layers: Application, Presentation, Session, Transport, Network, Data Link, and Physical.
The SDP protocol is typically used at the Transport layer (layer 4) of the OSI reference model, which is responsible for providing reliable, end-to-end data transport services between applications running on different hosts.
Therefore, the answer is E. Transport layer.
Fill in the blank: Most vendors or computer hardware manufacturers will assign a special string of characters to their devices called a _____.
Answers
Answer:
hardware ID number
Explanation:
Rewrite the program below without using any "for loop"
start = input ( ' Enter the start : ' )
start = int (start)
end = input ( 'Enter the end: ' )
end = int (end)
increase = input ( 'Enter how much i is to be incremented in each iteration: ' )
increase = int (increase)
for i in range (start, end, increase) :
if i %2 == 0 :
print (i, 'is an even number.')
else :
print (i, ' is an odd number.')
Answers
Answer:
start = input('Enter the start: ')
start = int(start)
end = input('Enter the end: ')
end = int(end)
increase = input('Enter how much i is to be incremented in each iteration: ')
increase = int(increase)
i = start
while i < end:
if i % 2 == 0:
print(i, 'is an even number.')
else:
print(i, 'is an odd number.')
i += increase
Explanation:
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
Answers
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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define Artificial intelligence?
Answers
In this lab, you use what you have learned about searching an array to find an exact match to complete a partially prewritten C++ program. The program uses an array that contains valid names for 10 cities in Michigan. You ask the user to enter a city name; your program then searches the array for that city name. If it is not found, the program should print a message that informs the user the city name is not found in the list of valid cities in Michigan.
The file provided for this lab includes the input statements and the necessary variable declarations. You need to use a loop to examine all the items in the array and test for a match. You also need to set a flag if there is a match and then test the flag variable to determine if you should print the the Not a city in Michigan. message. Comments in the code tell you where to write your statements. You can use the previous Mail Order program as a guide.
Instructions
Ensure the provided code file named MichiganCities.cpp is open.
Study the prewritten code to make sure you understand it.
Write a loop statement that examines the names of cities stored in the array.
Write code that tests for a match.
Write code that, when appropriate, prints the message Not a city in Michigan..
Execute the program by clicking the Run button at the bottom of the screen. Use the following as input:
Chicago
Brooklyn
Watervliet
Acme
Answers
Based on your instructions, I assume the array containing the valid names for 10 cities in Michigan is named michigan_cities, and the user input for the city name is stored in a string variable named city_name.
Here's the completed program:#include <iostream>
#include <string>
int main() {
std::string michigan_cities[10] = {"Ann Arbor", "Detroit", "Flint", "Grand Rapids", "Kalamazoo", "Lansing", "Muskegon", "Saginaw", "Traverse City", "Warren"};
std::string city_name;
bool found = false; // flag variable to indicate if a match is found
std::cout << "Enter a city name: ";
std::getline(std::cin, city_name);
for (int i = 0; i < 10; i++) {
if (city_name == michigan_cities[i]) {
found = true;
break;
}
}
if (found) {
std::cout << city_name << " is a city in Michigan." << std::endl;
} else {
std::cout << city_name << " is not a city in Michigan." << std::endl;
}
return 0;
}
In the loop, we compare each element of the michigan_cities array with the user input city_name using the equality operator ==. If a match is found, we set the found flag to true and break out of the loop.
After the loop, we use the flag variable to determine whether the city name was found in the array. If it was found, we print a message saying so. If it was not found, we print a message saying it's not a city in Michigan.
When the program is executed with the given input, the output should be:
Enter a city name: Chicago
Chicago is not a city in Michigan.
Enter a city name: Brooklyn
Brooklyn is not a city in Michigan.
Enter a city name: Watervliet
Watervliet is a city in Michigan.
Enter a city name: Acme
Acme is not a city in Michigan.
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You are writing a program that uses these modules. An error occurs when you try to make the cat sprite say "Hello." Which module needs to be edited?
Answers
Answer:
D. Talk
Explanation:
It's probably an issue with the Talk module, since it is having trouble saying "Hello".
machine learning naives bales + ensemble methods
Answers
A well-liked optimization technique for building models in machine learning is stochastic gradient descent. A well-liked decision tree technique for classification issues in machine learning is ID3.
A well-liked optimization approach for training models in machine learning is stochastic gradient descent. As it changes the model weights based on a small batch of randomly chosen samples rather than the complete dataset, it is especially helpful for huge datasets. Implementing the SGD algorithm entails the following steps:
1. Initialize the model weights at random.
2. The dataset was divided into smaller groups.
3. Every batch:
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Two variables named largest and smallest are declared for you. Use these variables to store the largest and smallest of the three integer values. You must decide what other variables you will need and initialize them if appropriate. Your program should prompt the user to enter 3 integers. Write the rest of the program using assignment statements, if statements, or if else statements as appropriate. There are comments in the code that tell you where you should write your statements. The output statements are written for you. Execute the program by clicking the Run button at the bottom of the screen. Using the input of -50, 53, 78, your output should be: The largest value is 78 The smallest value is -50
Answers
Here's an example program in Python that stores the largest and smallest of three integer values entered by the user:
```python
# Declare variables for largest and smallest
largest = None
smallest = None
# Prompt user to enter three integers
num1 = int(input("Enter first integer: "))
num2 = int(input("Enter second integer: "))
num3 = int(input("Enter third integer: "))
# Determine largest number
if num1 >= num2 and num1 >= num3:
largest = num1
elif num2 >= num1 and num2 >= num3:
largest = num2
else:
largest = num3
# Determine smallest number
if num1 <= num2 and num1 <= num3:
smallest = num1
elif num2 <= num1 and num2 <= num3:
smallest = num2
else:
smallest = num3
# Output results
print("The largest value is", largest)
print("The smallest value is", smallest)
```
In this program, the variables `largest` and `smallest` are declared and initialized to `None`. Three additional variables `num1`, `num2`, and `num3` are declared and initialized with integer values entered by the user using the `input()` function and converted to integers using the `int()` function.
The program then uses a series of `if` and `elif` statements to determine the largest and smallest of the three numbers, based on their values. The `largest` and `smallest` variables are updated accordingly.
Finally, the program outputs the results using two `print()` statements.v
Homework 1 Computer Vision (Term 3 2022-23) The purpose of this homework is to write an image filtering function to apply on input images. Image filtering (or convolution) is a fundamental image processing tool to modify the image with some smoothing or sharpening affect. You will be writing your own function to implement image filtering from scratch. More specifically, you will implement filter( ) function should conform to the following: (1) support grayscale images, (2) support arbitrarily shaped filters where both dimensions are odd (e.g., 3 × 3 filters, 5 × 5 filters), (3) pad the input image with the same pixels as in the outer row and columns, and (4) return a filtered image which is the same resolution as the input image. You should read a color image and then convert it to grayscale. Then define different types of smoothing and sharpening filters such as box, sobel, etc. Before you apply the filter on the image matrix, apply padding operation on the image so that after filtering, the output filtered image resolution remains the same. (Please refer to the end the basic image processing notebook file that you used for first two labs to see how you can pad an image) Then you should use nested loops (two for loops for row and column) for filtering operation by matrix multiplication and addition (using image window and filter). Once filtering is completed, display the filtered image. Please use any image for experiment. Submission You should submit (using Blackboard link) the source file which includes the code (Jupiter notebook) and a report containing different filters and corresponding filtered images. Deadline: May 11th, Thursday, End of the day.
Answers
Here is information on image filtering in spatial and frequency domains.
Image filtering in the spatial domain involves applying a filter mask to an image in the time domain to obtain a filtered image. The filter mask or kernel is a small matrix used to modify the pixel values in the image. Common types of filters include the Box filter, Gaussian filter, and Sobel filter.
To apply image filtering in the spatial domain, one can follow the steps mentioned in the prompt, such as converting the image to grayscale, defining a filter, padding the image, and using nested loops to apply the filter.
Both spatial and frequency domain filtering can be used for various image processing tasks such as noise reduction, edge detection, and image enhancement.
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which of the following database objects ask a question of information in a database and then displays the result
Answers
Answer:
spreadsheet is the answer
Any one can drew for me case study for booking appointment system with all actor and system please
Answers
Answer:
Case Study: Booking Appointment System for a Medical Clinic
Background:
A medical clinic needs a booking appointment system to manage their patient appointments. They currently have a manual system where patients call to book their appointments, and staff manually enter the appointment details into a paper-based calendar. This process is time-consuming and prone to errors, leading to missed appointments and patient dissatisfaction.
Objectives:
The booking appointment system aims to provide an efficient and convenient way for patients to book appointments while reducing the workload of clinic staff. The system should allow patients to book appointments online, view available appointment slots, and receive confirmation and reminders of their appointments. It should also allow staff to manage appointments, view patient information, and generate reports on appointment history.
Actors:
Patient: a person who needs to book an appointment with the medical clinic.
Clinic Staff: a person who manages the appointments, views patient information, and generates reports.
Use Cases:
Book Appointment: The patient logs into the booking appointment system, selects a preferred date and time, and provides their personal and medical information. The system confirms the appointment and sends a confirmation email to the patient and staff.
View Available Slots: The patient can view available appointment slots on the system calendar and select a preferred date and time.
Cancel Appointment: The patient can cancel a booked appointment through the system, and the system sends a cancellation confirmation email to the patient and staff.
Modify Appointment: The patient can modify a booked appointment through the system by selecting a new date and time, and the system sends a modification confirmation email to the patient and staff.
View Patient Information: The staff can view the patient's personal and medical information, appointment history, and any notes added by other staff members.
Generate Reports: The staff can generate reports on appointment history, patient demographics, and revenue.
System:
The booking appointment system consists of a web application with a database to store patient information and appointment details. The system uses a calendar view to display available appointment slots and booked appointments. The system sends confirmation, reminder, cancellation, and modification emails to patients and staff using an email service provider. The system also integrates with the clinic's electronic health record system to retrieve and store patient information.
Conclusion:
Implementing a booking appointment system for a medical clinic can improve the patient experience, reduce staff workload, and increase efficiency. By providing a convenient online booking system, patients can book, modify, or cancel appointments at their convenience, reducing the workload of staff. The system can also generate reports to help staff analyze patient data, appointment history, and revenue.
Explanation:
Question 2 of 10
When gathering information, which of the following tasks might you need to
perform?
OA. Seek out ideas from others and share your own ideas
OB. Study objects, conduct tests, research written materials, and ask
questions
C. Fill out forms, follow procedures, and apply math and science
O D. Apply standards, such as measures of quality, beauty, usefulness,
or ethics
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Answer:
OA is the answer for the question
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?
Answers
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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Which formula would be used to calculate a total?
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Answer:
=Sum(number1. number2)
Answer:
total/sum(x , y) have a great day hope this helps :)
Explanation:
Who can prevent unauthorized users from accessing data resources and how?
A
can prevent unauthorized users from accessing data resources with the help of
that filter traffic.
Answers
Answer: TRUE
Explanation:
The main goals of system security are to deny access to legitimate users of technology, to prevent legitimate users from gaining access to technology, and to allow legitimate users to use resources in a proper manner. As a result, the following assertion regarding access control system security is accurate.
A severe thunderstorm knocked out the electric power to your company's datacenter,
causing everything to shut down. Explain with typical examples the impacts of the
[8 marks]
following aspect of information security
i. Integrity
ii. Availability
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The impacts of the Integrity aspect of information security are:
Data corruptionData alterationii. Availability:
System downtimeDisruption to business processesWhat is the thunderstorm about?Information security's integrity aspect involves data accuracy, completeness, and consistency. Thunderstorm-caused power loss can harm the datacenter's integrity.
Therefore, Examples of integrity impacts include data corruption from sudden power outages leading to inconsistencies or loss of data. A power outage can alter data in a datacenter, impacting its integrity and reliability, which can be detrimental if the data is sensitive or critical to the business.
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1. A(n) ____ provides good control for distributed computing systems and allows their resources to be accessed in a unified way.
2. The term ____ is used to describe a specific set of rules used to control the flow of messages through the network.
3. A(n) ____ is a data-link layer device used to interconnect multiple networks using the same protocol.
4. A(n) ____ translates one network’s protocol into another, resolving hardware and software incompatibilities.
5. The ____ is the most widely used protocol for ring topology.
6. The ____ makes technical recommendations about data communication interfaces.
7. The term ____ refers to the name by which a unit is known within its own system.
8. The term ____ refers to the name by which a unit is known outside its own system.
9. Which network topology do you think your school employs, and why? Give reasons to support your answer.
10. What is Domain Name Service (DNS)? Describe its functionalities.
Answers
A(n) middleware provides good control for distributed computing systems and allows their resources to be accessed in a unified way.
What is Protocol?The term protocol is used to describe a specific set of rules used to control the flow of messages through the network.
A(n) bridge is a data-link layer device used to interconnect multiple networks using the same protocol.
A(n) gateway translates one network’s protocol into another, resolving hardware and software incompatibilities.
The Token Ring protocol is the most widely used protocol for ring topology.
The International Organization for Standardization (ISO) makes technical recommendations about data communication interfaces.
The term node refers to the name by which a unit is known within its own system.
The term host refers to the name by which a unit is known outside its own system.
The network topology that my school employs is likely a star topology. This is because a central server likely connects to multiple devices, such as computers and printers, through individual connections rather than a continuous loop like a ring or mesh topology.
Domain Name Service (DNS) is a system that translates domain names into IP addresses, allowing users to access websites using easy-to-remember names rather than numerical addresses. It functions by storing a database of domain names and their corresponding IP addresses, and when a user inputs a domain name into their browser, the DNS system uses this database to provide the corresponding IP address and establish a connection to the website.
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