An ER Diagram can be created for an art museum scenario, including entities like Artwork, Artist, Show, ShowCity, ShowSchedule, Gallery, and Loan.
Explanation:ER Diagram for Art MuseumThe ER Diagram for the given scenario can be created with the following entities:
Artwork (itemId, title, type, height, width, weight)Artist (artistId, firstName, lastName, preferredName, dateOfBirth, dateOfDeath)ArtworkArtist (itemId, artistId)Show (showId, startDate, endDate)ShowCity (showId, city)ShowSchedule (showId, startDate, endDate, contactPhone)Gallery (galleryId, name, city)Loan (itemId, galleryId, loanDate, returnDate)The relationships between the entities can be represented as follows:
Artwork is developed by Artist (1 to many relationship)Show has Artwork (many to many relationship)Show has ShowCity (1 to many relationship)Show has ShowSchedule (1 to many relationship)Artwork can be on Loan to Gallery (many to many relationship)In this assignment you will implement a class called "string_class". Place the class declaration in the file "string_class.h" and the class implementation in the file "string_class.cpp". The class has the following characteristics"
1. A private string variable "current_string".
2. A default constructor that sets "current_string" to an empty string ("").
3. An explicit-value constructor that sets "current_string" equal to the argument that is passed to the explicit-value constructor when a string_class object is declared.
4. A public member Boolean function called "palindrome" that returns true if the current_string reads the same forward asit does backwards; otherwise it return false. For example "madam", "463364", and "ABLE WAS I ERE I SAW ELBA" are all palindromes.
5. A public member string function called "replace_all" that accepts two string arguments, " old_substring" and "new_substring". The function will return a copy of the string "current_string" with each occurrenceof "old_substring" replacedby "new_substring". For example, when the function is invoked, if current_string = "aaabbacceeaaa", old_substring = "aa", and new_substring= "zzz", then after execution of the function, current_string = "zzzabbacceezzza", and the function will return "zzzabbacceezzza". NOTE: DO NOT USE THE STRING CLASS FUNCTIONS "find", "replace", or "substr".
6. Overload the insertion operator (<<) as a friend function of the class with chaining to print the contents of a string_class object’s "current_string".
7. You make implement other class member functions if necessary
Call the driver to test the functionality of string_class, "stringclass_driver.cpp". See the sample main program below. You can use this to test your driver. The file is also posted in Canvas. You should submit the files "string_class.h", "string_class.cpp", and "stringclass_driver.cpp" together in a zip file.
Answer:
string_class.h:
include <string>
using namespace std;
class string_class
{
private:
string current_string;
public:
string_class();
string_class(string temp);
bool palindrome();
string replace_all(string Old, string New);
friend ostream& operator<<(ostream& os,string_class& temp);
};
string_class.cpp:
#include "string_class.h"
#include<algorithm>
using namespace std;
string_class::string_class()
{
this->current_string = "";
}
string_class::string_class(string temp)
{
this->current_string = temp;
}
bool string_class::palindrome()
{
string temp = this->current_string;
reverse(temp.begin(), temp.end());
if (temp == this->current_string)
return true;
return false;
}
string string_class::replace_all(string Old, string New)
{
for (int i = 0; i < int(this->current_string.length()); i++)
{
string replace = "";
for (int j = 0; j < int(Old.length()); j++)
replace += this->current_string[i + j];
if (replace == Old)
{
string final = "";
for (int j = i + Old.length(); j < int(this->current_string.length()); j++)
final += this->current_string[j];
this->current_string = final;
}
}
return this->current_string;
}
ostream& operator<<(ostream& co,string_class& temp)
{
co << temp.current_string;
return co;
}
test.cpp:
#include "string_class.h"
#include <iostream>
#include <string>
using namespace std;
int main()
{
string_class s;
cout << "**************" << endl
<< "Test#1: tesing default constructor and overloaded operator<< with chaining\n"
<< s << "1st blank line" << endl << s << "2nd blank line" << endl
<< "Test#1 Ended" << endl
<< "**************" << endl;
string_class r("hello");
cout << "**************" << endl
<< "Test#2: tesing explicit-value constructor and overloaded operator<< with chaining\n"
<< r << "1st blank line" << endl << r << "2nd blank line" << endl
<< "Test#2 Ended" << endl
<< "**************" << endl;
cout << "**************" << endl
<< "Test#3: tesing palindrome\n"
<< "**************" << endl;
string response = "Y";
string ss;
while (response == "Y" || response == "y")
{
cout << "Enter String: ";
cin >> ss;
string_class main_string(ss);
if (main_string.palindrome())
{
cout << ss << " is a palindrome\n";
}
else
{
cout << ss << " is not a palindrome\n";
}
cout << "Would you like to try another string? (Y or N): ";
cin >> response;
}
cout << "Test#3 Ended" << endl
<< "**************" << endl;
cout << "**************" << endl
<< "Test#4: tesing replace_all\n"
<< "**************" << endl;
response = "y";
string current, old_substring, new_substring;
while (response == "Y" || response == "y")
{
cout << "Enter value for current_string: ";
cin >> current;
string_class current_string(current);
cout << "Enter old_substring: ";
cin >> old_substring;
cout << "Enter new_substring: ";
cin >> new_substring;
cout << "Current string = " << current << endl
<< "New string = " << current_string.replace_all(old_substring, new_substring)
<< endl;
cout << "Would you like to try another string? (Y or N): ";
cin >> response;
}
cout << "**************" << endl
<< "Test#4: tesing replace\n"
<< "**************" << endl;
return 0;
}
Explanation:
Declare the methods inside the string_class.h.In the string_class.cpp, create the palindrome method that checks the whether a string is palindrome by comparing it with its reverse version.In the test.cpp file, test the program by calling the methods.Write programs to insert, delete, and locate an element on a sorted list using a. array, b. pointer, and c. cursor implementations of lists. What is the running time of each of your programs?
Answer:
a) with Array
class array{
int arrA[MAX],location,item,nA;
int arrB[MAX],nB;
int arr_merge[MAX+MAX],nM;
public:
array(){
location=0;item=0;nA=0;
nB=0;nM=0;
}
void init(); //initial data assignment
void traverse(); //process is display (assumed)void insert();
void del();
void search();
void sort();
void merge();
};
void array :: del(){
clrscr();
int i;
cout<<"\n\n*****Deleting Element*****\n";
if(nA < 0){
cout<<"\nArray is Empty\nDeletion Not Possible\n";
goto end;
}
cout<<"\nEnter Location of deletion : ";
cin>>location;
location--;
if(location<0 || location>=nA)
{
cout<<"\n\nInvalid Position\n";
goto end;
}
cout<<"\nItem deleted is : "<<arrA[location];
for(i=location;i<nA;i++){
arrA[i] = arrA[i+1];
}
arrA[nA-1]=0;
nA--;
end:
getch();
}
void array :: search(){
clrscr();
int i,found=-1;
cout<<"\n\n*****Searching Element*****\n";
cout<<"\nEnter Item value to be search : ";
cin>>item;
for(i=0;i<nA;i++){
if(arrA[i] == item){
found=i+1;
break;
}
}
if(found==-1)
cout<<"\nSearch NOT FOUND\n";
else
cout<<"\nSearch is FOUND at "<<found<<" location\n";
getch();
}
void array :: sort(){
clrscr();
int i,j,temp;
cout<<"\n\n*****Sorting Element*****\n";
for(i=0;i<nA;i++){
for(j=i;j<nA;j++){
if(arrA[i] > arrA[j]){
temp = arrA[i];
arrA[i] = arrA[j];
arrA[j] = temp;
}
}
}
cout<<"\nData are Sorted\n";
getch();
}
// b) with pointer
#include <stdio.h>
#include <conio.h>
#include <math.h>
#include <alloc.h>
void main()
{
char *a[10],dum[10],s;
int i,k,j,n;
clrscr();
printf("enter the no of std....");
scanf("%d",&n);
printf("enter the name of students ");
for(k=0;k<n;k++)
scanf("%s",a[k]);
for(i=1;i<n;i++)
{
for(j=1;j<n-i;j++)
{if(strcmp(a[j-1],a[j])>0)
{strcpy(*dum,*a[j-1]);
strcpy(*a[j-1],*a[j]);
strcpy(*a[j],*dum);
}
} }
for(i=0;i<n;i++)
printf("%s",a[i]);
getch();
}
c) with cursor implementations of lists.
#include<stdio.h>
#include<stdlib.h>
typedef struct Node
{
int data;
struct Node *next;
}node;
void insert(node *pointer, int data)
{
/* Iterate through the list till we encounter the last node.*/
while(pointer->next!=NULL)
{
pointer = pointer -> next;
}
/* Allocate memory for the new node and put data in it.*/
pointer->next = (node *)malloc(sizeof(node));
pointer = pointer->next;
pointer->data = data;
pointer->next = NULL;
}
int find(node *pointer, int key)
{
pointer = pointer -> next; //First node is dummy node.
/* Iterate through the entire linked list and search for the key. */
while(pointer!=NULL)
{
if(pointer->data == key) //key is found.
{
return 1;
}
pointer = pointer -> next;//Search in the next node.
}
/*Key is not found */
return 0;
}
void delete(node *pointer, int data)
{
/* Go to the node for which the node next to it has to be deleted */
while(pointer->next!=NULL && (pointer->next)->data != data)
{
pointer = pointer -> next;
}
if(pointer->next==NULL)
{
printf("Element %d is not present in the list\n",data);
return;
}
/* Now pointer points to a node and the node next to it has to be removed */
node *temp;
temp = pointer -> next;
/*temp points to the node which has to be removed*/
pointer->next = temp->next;
/*We removed the node which is next to the pointer (which is also temp) */
free(temp);
/* Beacuse we deleted the node, we no longer require the memory used for it .
free() will deallocate the memory.
*/
return;
}
void print(node *pointer)
{
if(pointer==NULL)
{
return;
}
printf("%d ",pointer->data);
print(pointer->next);
}
}
Running Time:
a) 2 minute
b) 1 minutes
c) 1 & half minutes
Explanation:
a) Initialize the array and traverse it by using for loop. Sort the array with the help of a temporary variable.
b) Declare a pointer to the array and take the input from user using for loop.
c) Declare a Structure containing an integer and a pointer. Iterate through the list, allocate memory for the new node and insert the data in it.
If data from a DOS system is electronically sent to an EHR or other Windows-based system via an interface to populate an indexed data field in the EHR, after the data is in the EHR is it structured or unstructured?
Answer:
yes ! you can see below.
Explanation:
EHR is a health record of a patient that gives information about the patient and securely authorized it. Electronic Health record allows medical professionals to enter data and update a new encounter.
DOC is a document used by Microsoft. DOC file is a file that contains formatted text, images, tables, graphs, and charts, etc.
Unstructured data is data that can be entered in free text format. Structured information is a type of data contain check boxes, images table, and other the user chooses from the given option.
As the DOC system contain free text format, then data in the EHR is structured.
The data sent from a DOS system to an EHR and populating an indexed field is typically considered structured data. EHR systems play a critical role in maintaining accessible and secure patient records, improving healthcare quality and efficiency while safeguarding privacy.
If data from a DOS system is electronically sent to an EHR (Electronic Health Record) or other Windows-based system via an interface to populate an indexed data field in the EHR, the data can be either structured or unstructured depending on the format it is sent and how it is handled by the receiving system. In this context, if the data populates a specific field within the EHR, it is typically considered to be structured data because it is organized in a predefined manner, making it easily searchable and analyzable within the system.
EHR systems are essential for maintaining accurate and accessible patient records. They ensure that in the event of a disaster, such as a hurricane, health information can be retrieved due to effective data backup solutions. Additionally, because EHRs are designed to be shared securely among healthcare providers, they facilitate improved coordination of care.
Overall, the transformation from paper-based records to EHRs serves to enhance the quality and efficiency of healthcare delivery, while also maintaining the privacy and security of personal health information under federal laws such as HIPAA.
A contact list is a place where you can store a specific contact with other associated information such as a phone number, email address, birthday, etc. Write a program that first takes as input an integer N that represents the number of word pairs in the list to follow.Word pairs consist of a name and a phone number (both strings). That list is followed by a name, and your program should output the phone number associated with that name.
Final answer:
The student's question is about creating a Python program to map names to phone numbers using a dictionary, where after inputting contacts, the program can search for and retrieve phone numbers by name.
Explanation:
The student's question involves writing a program to manage a list of contacts, specifically to map names to phone numbers. To solve this task, one would typically use a data structure known as a dictionary in programming, where each name (key) is associated with a corresponding phone number (value). Below is a simple example of how one could write such a program in Python:
# Prompt for the number of contacts
N = int(input('Enter the number of contacts: '))
# Initialize an empty dictionary to store contacts
contacts = {}
# Loop to enter the contacts into the dictionary
for _ in range(N):
name, phone_number = input('Enter contact name and phone number: ').split()
contacts[name] = phone_number
# Prompt for the name to search
search_name = input('Enter a name to search for their phone number: ')
# Output the phone number for the given name
if search_name in contacts:
print(f'The phone number for {search_name} is {contacts[search_name]}')
else:
print('Name not found in contact list.')
This script takes the number of contacts as input, then iterates and adds each name-phone pair to the contacts dictionary. When the user enters a name to search, the program looks up the name in the dictionary and prints out the associated phone number if found.
I need help in creating a Java Program; To calculate the chapter from which you solve the programming exercise, below are the requirements;
• Divide the integer number representing your student ID by 4, consider the remainder and increment it by 2. The result you obtain represents the chapter number, and it should be either 2, 3 , 5 or 6.
* Depending on the chapter number obtained above, consider the following rules in calculating the problem number to solve:
• If the chapter number is 2, divide your student ID by 23, consider the remainder and increment it by 1. The result you obtain represents the number of the programming exercise you will solve for online discussions, which should be from chapter 2.
• If the chapter number is 3, divide your student ID by 34, consider the remainder and increment it by 1. The result you obtain represents the number of the programming exercise you will solve for online discussions, which should be from chapter 3.
• If the chapter number is 4 (you need to go to chapter 6), divide your student ID by 38, consider the remainder and increment it by 1. The result you obtain represents the number of the programming exercise you will solve for online discussions, which should be from chapter 6.
• If the chapter number is 5, divide your student ID by 46, consider the remainder and increment it by 1. The result you obtain represents the number of the programming exercise you will solve for online discussions, which should be from chapter 5.
*After calculating the number of the chapter, and the number of the programming exercise to solve, ask the user to enter the page number where the specific problem is located in the textbook. Display the requirement for the programming exercise using the following format: "Please solve programming exercise … (include here the number of the exercise) from chapter … (include here the number of the chapter), from page … (include here the page number)."
Answer:
public static void main(String[] args)
{
int studentnumber = 123456;
int divisor = 0;
int chapter = (studentnumber%4)+2;
switch(chapter) {
case 2:
divisor = 23;
break;
case 3:
divisor = 34;
break;
case 4:
divisor = 38;
break;
case 5:
divisor = 46;
break;
}
int exercise = (studentnumber % divisor) + 1;
System.out.printf("Studentnumber %d divided by 4 plus 2 is chapter %d.\n", studentnumber, chapter);
System.out.printf("Studentnumber %d divided by %d is exercise %d.", studentnumber, divisor, exercise);
}
Explanation:
Above is just a bit of code to get you started with the first part. Hope you can figure out the rest.
Convert this ARMv8 machine code into ARMv8 Assembly Language instructions. Your final answers should use the register names, not the numbers (i.e. X2, not 2). Also, values which represent absolute addresses (if any) should be converted into the full 32-bit (or 64-bit) address. a. 0x0000000080001294: EB01001F.b. 0x0000000080001298: 5400006A.c. 0x000000008000129C 91000400.d. 0x00000000800012A0 17FFFFFD.e. 0x00000000800012A4 D61F03C0.
Answer:
Detailed answer is provided in the explanation section
Explanation:
Conversion of ARMv8 machine code into ARMv8 Assembly Language instructions:
ARMv8 machine code ARMv8 Assembly Language
0x0000000080001294 : EB01001F CMP X0,X1
0x0000000080001298 : 5400006A
0x000000008000129C : 91000400
0x00000000800012A0 : 17FFFFFD
0x00000000800012A4 : D61F03C0
Increasingly, companies are no longer incorporating computer-based information systems into their products and services. Group of answer choices True False
Answer:
The answer is "False".
Explanation:
CBIS is part of IT, it is a structured combination of programs, technologies and human resources for the distribution of timely, standardized, accurate and useful decision-making knowledge.
It is also known as an information processing system, that converts information into its high-quality. In this process, Industries rapidly deploy PC-based data systems in both goods and services, that's why the given statement is false.What percentage of the bytes sent to the physical layer is overhead? ((B + C + D + E) / (A + B + C + D + E)) * 100 %
The question given is incomplete. From the internet source I got it as follows:
Assume a five layer TCP/IP model. There are A bytes of application data. A B byte header is added at the transport layer, a C byte header is added at the internet layer and a D byte header is added at the network interface layer. The network interface layer also adds an E byte trailer. Express the answers to the questions below in terms of A, B, C, D, and E a. b. c. d.
How many total bytes are sent to the physical layer?
What percentage of the bytes sent to the physical layer is overhead?
How many total bytes are in the transport layer packet?
What percentage of the bytes in the transport layer packet is overhead?
Answer:Following is given the answer of above question part by part. The diagrams will help you to understand easily. I hope it will help you!
Explanation:A ________ is a software application that can be used to locate and display Web pages, including text, graphics, and multimedia content. Group of answer choices proxy server Webcam keylogger Webmaster Web browser
Answer:
"Web browser" is the correct answer for the above question.
Explanation:
A web browser is a software of the computer system which is used to display the page of the internet which is also called the website.It can help to display because it interprets the HTML language and the network pages or websites are written in the form of HTML language.There are so many examples of web browsers, like safari, chrome e.t.c.The above question asked about the software which is used to display the content of the website which is a web browser. Hence web browser is the correct answer while the other option is not correct because:-The webcam is used to capture the image, the keylogger is used for security and the webmaster is not used in the client machine.How can this be accomplished by Universal Containers?
Universal containers wants to provide a different view for its users when they access an Account record in Salesforce1 instead of the standard web version.
A. By adding a mobile layout and assigning it to a profile.
B. By adding quick actions in the publisher section
C. By adding actions in the Salesforce1 action bar section.
D. By adding Visualforce page to the mobile cards section.
Answer:
Option A and Option D are the correct options.
Explanation:
They decided to allow their users with a different perspective when viewing a Salesforce1 transaction records rather than the specific web edition. So, they accomplish the following scenario by adding and allocating a Mobile Design to a profile and by adding the following page to the mobile card section.
Given positive integer numInsects, write a while loop that prints that number doubled without reaching 200. Follow each number with a space. After the loop, print a newline. Ex: If numInsects = 16, print:16 32 64 128 import java.util.Scanner;public class InsectGrowth {public static void main (String [] args) {int numInsects;Scanner scnr = new Scanner(System.in);numInsects = scnr.nextInt(); // Must be >= 1/* Your solution goes here */}}
Answer:
The below code is pasted in the place of "/*Your solution goes here */"
while(numInsects<200) // while loop
{
System.out.print(numInsects+" "); // print statement
numInsects=numInsects*2; // operation to print double.
}
Output:
If the user gives inputs 16 then the output is 16 32 64 128.If the user gives inputs 25 then the output is 25 50 100.Explanation:
The above code is in java language in which the code is pasted on the place of "Your solution" in the question then only it can work.Then the program takes an input from the user and prints the double until the value of double is not 200 or greater than 200.In the program, there is while loop which checks the value, that it is less than 200 or not. If the value is less the operation is performed otherwise it terminates.Using Python 3 programming, the code blocks below displays the required instructions. The program goes thus :
numInsects = int(input())
#takes input from the user on the number of insects
while numInsects < 200 :
#while loop checks if variable is below 200
print(numInsects, end=' ')
#displays the value with the cursor remaining on the same line
numInsects*=2
print(numInsects)
Learn more : https://brainly.com/question/12483071
An interface is a class that contains only the method headings and each method heading is terminated with a semicolon. True False
Answer:
False
Explanation:
Interfaces are similar to classes in Java, but they are not a type of class. A class defines the attributes and behaviours of objects, while interface contains the methods that shows the behaviours to be implemented by a class.
A method is one or more group of statements, it does not need to end with a semicolon. Methods in interfaces are abstract and for a class to contain these abstract method, it must be defined in the class.
An interface is a class that contains only the method headings and each method heading is terminated with a semicolon is a true statement.
What is interface?An interface is known to be a kind of reference that is seen in Java. It is same to look the same with class.
It is known as a series of abstract methods that shows the description of the work that a specific object can do. Here, An interface is a class that has only the method headings and the method heading is ended with a semicolon.
Learn more about interface from
https://brainly.com/question/7282578
Write a program that analyzes an object falling for 10 seconds. It should contain main and two additional methods. One of the additional methods should return the distance an object falls in meters when passed the current second as an argument. See the formula needed below. The third method should convert meters to feet. You can look up the conversion factor needed online. The main method should use one loop to call the other methods and generate a table as shown below. The table should be displayed in formatted columns with decimals as shown.
Answer:
Following is given the code in JAVA as required. It analyzes an object falling for 10 seconds. All the necessary descriptions are given inside the code as comments The output of the program is also attached at the end.
I hope it will help you!
Explanation:
Final answer:
The question involves creating a program in Computers and Technology to calculate the distance of free-fall in meters and feet over 10 seconds using physics formulas and programming methods for calculations and conversions.
Explanation:
The student's question involves writing a program that calculates the distance an object falls in meters over 10 seconds, as well as converting that distance to feet. This problem applies the physics concept of free-fall, using the equation of motion h = (1/2) * g * t^2, where h is the height, g is the acceleration due to gravity (9.81 m/s2), and t is the time in seconds. The student should also write a method to convert the distance from meters to feet (1 meter = 3.28084 feet).
The main method should include a loop that calls these methods to generate a table of distances fallen and the corresponding times. To convert meters to feet, the following formula can be used:
feet = meters * 3.28084
Based on virtualization technologies, how many types can we classify them? Please give a brief statement on each of them?
Answer:
Software and Hardware virtualization.
Explanation:
Virtualization is a process or the ability of a system to run multiple operating systems and virtually using all the physical resources, as though they are individual systems.
Hardware virtualization allows for hardware components like the storage, CPU, memory etc to be virtually used by multiple virtual machines. Software virtualization uses software managers to run individual guest operating systems on virtual machines.
How is the security of a firm's information system and data affected by its people, organization, and technology? Is the contribution of one of these dimensions any more important than the other? Why?
Explanation:
What happens is that the security of a company's information and data system can be affected by its people because it is the organization's own employees who can leak sensitive information, for their own benefit or for the benefit of others. That is why it is extremely relevant that organizations should limit the level of access that each user has to their information system.
Adequate training in the use of these systems is essential for employees to use it properly, to correct system failures, and for top management to have adequate knowledge in the preparation of system security plans.
It is the security policies that will prevent unauthorized access and greater control over the security of important data and information, so it is important that any company with a data information system keeps itself up to date with the software and implements necessary security resources, in a way maintain security and always update and analyze the operation of technological equipment.
Write a short program to evaluate the magnitude of the relative error in evaluating using f_hat for the input x. f_hat(x) is a function that evaluates an approximation to for a given floating point input . x is a floating point number. Store the magnitude of the relative error in using the approximation f_hat in relative_error.
Answer:
The code is as below. The solution is given in python and can be converted to other programming language.
Explanation:
As the language is not identified, it is assumed that the requirement of the language is python
As the complete question is missing, here the link to complete question is given in the comments above.
From the complete question, it is given that the approximated solution is for x86 instruction. thus as the x86 instructions are for integers only thus the complete code is as follows: Here the code is given as
#Defining the function
def relerror(x):
x=float(x);
y=int(x)
f_h=y**(0.72);
f=x**(0.72);
absol=abs(f_h-f);
rel=absol/f;
relp=(absol/f)*100;
print('The relative error for',x,' as value of x when approximated as x86 routine is ',round(relp,2),'%')
#Main program calling given function
x=input('Please enter a value in float')
relerror(x)
Create an application named TestClassifiedAd that instantiates and displays at least two ClassifiedAd objects. A ClassifiedAd has fields for a Category (For example, Used Cars and Help Wanted), a number of Words, and a price. Include properties that contain get and set accessors for the category and number of words, but only a get accessor for the price. The price is calculated at nine cents per word.
Answer:
Following is given the code with all necessary descriptions as comments in it. The output is also attached under the code. I hope it will help you!
Explanation:
```csharp
using System;
class ClassifiedAd
{
// Fields
private string category;
private int numberOfWords;
// Properties
public string Category
{
get { return category; }
set { category = value; }
}
public int NumberOfWords
{
get { return numberOfWords; }
set { numberOfWords = value; }
}
public double Price
{
get { return numberOfWords * 0.09; } // Price calculated at nine cents per word
}
}
class TestClassifiedAd
{
static void Main(string[] args)
{
// Instantiate ClassifiedAd objects
ClassifiedAd ad1 = new ClassifiedAd();
ad1.Category = "Used Cars";
ad1.NumberOfWords = 50;
ClassifiedAd ad2 = new ClassifiedAd();
ad2.Category = "Help Wanted";
ad2.NumberOfWords = 80;
// Display information about the ClassifiedAd objects
Console.WriteLine("Classified Ad 1:");
Console.WriteLine($"Category: {ad1.Category}");
Console.WriteLine($"Number of Words: {ad1.NumberOfWords}");
Console.WriteLine($"Price: ${ad1.Price}");
Console.WriteLine("\nClassified Ad 2:");
Console.WriteLine($"Category: {ad2.Category}");
Console.WriteLine($"Number of Words: {ad2.NumberOfWords}");
Console.WriteLine($"Price: ${ad2.Price}");
}
}
```
1. ClassifiedAd Class:
- This class represents a classified advertisement with three fields: `category`, `numberOfWords`, and a private field `price` (which is calculated internally).
- Properties:
- `Category`: This property has both a getter (`get`) and a setter (`set`) to allow getting and setting the category of the advertisement.
- `NumberOfWords`: Similarly, this property has both a getter and a setter for getting and setting the number of words in the advertisement.
- `Price`: This property only has a getter (`get`). It calculates the price based on the number of words (`numberOfWords * 0.09`), where each word costs nine cents.
2. TestClassifiedAd Class:
- This is the main application class that demonstrates the use of `ClassifiedAd` objects.
- Main Method:
- It instantiates two `ClassifiedAd` objects (`ad1` and `ad2`) and assigns values to their properties (`Category` and `NumberOfWords`).
- It then prints out information about each `ClassifiedAd` object:
- Displays the category using `ad1.Category` and `ad2.Category`.
- Displays the number of words using `ad1.NumberOfWords` and `ad2.NumberOfWords`.
- Displays the calculated price using `ad1.Price` and `ad2.Price`.
3. Execution:
- When you run the `TestClassifiedAd` application, it will output the category, number of words, and price for each of the two `ClassifiedAd` objects that were instantiated and configured.
4. Purpose:
- This code demonstrates basic object-oriented principles such as encapsulation (using properties to access fields), calculation within properties, and object instantiation and usage in a simple console application.
Overall, the `ClassifiedAd` class encapsulates the data and behavior related to a classified advertisement, and the `TestClassifiedAd` application showcases the instantiation and usage of these objects with specific examples.
Write a function max_magnitude() with two integer input parameters that returns the largest magnitude value. Use the function in a program that takes two integer inputs, and outputs the largest magnitude value.
Ex: If the inputs are:
5 7
the function returns:
7
Ex: If the inputs are:
-8 -2
the function returns:
-8
Note: The function does not just return the largest value, which for -8 -2 would be -2. Though not necessary, you may use the absolute-value built-in math function.
Your program must define and call a function:
int MaxMagnitude(int userVal1, int userVal2)
code------------------------
#include
using namespace std;
/* Define your function here */
int main() {
/* Type your code here */
return 0;
}
Answer:
def max_magnitude(user_val1, user_val2):
if abs(user_val1) > abs(user_val2):
return user_val1
else:
return user_val2
if __name__ == '__main__':
n1 = int(input("Enter the first integer number: "))
n2 = int(input("Enter the second integer number: "))
print("The largest magnitude value of", n1, "and", n2, "is", max_magnitude(n1, n2))
Explanation:
What is virtualization? What are the benefits we can have with it?
Explanation:
Virtualization can be defined as a virtual or software-based representation of virtual applications, storage, network and servers. Through this process it is possible to run a variety of different operating systems on the same physical server at the same time, which reduces information technology expenses, increases the speed and agility of the systems.
Some of the benefits of virtualization are:
Reduced hardware costsEasy backup and restoration of complete servers Reduction of electricity consumptionFaster deployment of new machinesCreate detailed pseudocode for a program that calculates how many days are left until Christmas, when given as an input how many weeks are left until Christmas. Use variables named weeks and days.
Answer:
Following are the Pseudocode for the above problem:
Explanation:
Declare weeks and days As Variables Output: "Enter the input for weeks are left until Christmas."Set weeks = user answerSet days = weeks *7Output: “The days left until Christmas is ” Output: days.Output:
If the user inputs 2 then the output is "The days left until Christmas is 14"If the user inputs 3 then the output is "The days left until Christmas is 21"Pseudocode Explanation:
Pseudocode is the solution to any problem which is written in the form of the English language.The only difference between the algorithm and Pseudocode is that the algorithm is only written in English and the Pseudocode is written in the form of input and output.
Write a program that does the following:
1. Declare the String variables firstname and lastname.
2. Prompt the user for first name and last name.
3. Read in the first name and last name entered by the user.
4. Print out Hello follow by user
Answer:
Following is the program in Java language:
import java.util.*;//import package
public class Main // main class
{
public static void main(String[] args) // main method
{
String firstname,lastname; // Declare the two String variables
Scanner ob=new Scanner(System.in); // create a object of scanner //class
System.out.println("Enter the first name:"); // Prompt the user for // enter the first name
firstname=ob.nextLine();// Read in the first name by user
System.out.println("Enter the last name:"); // Prompt the user for last //name
lastname=ob.nextLine();// Read in the last name by user
System.out.println("Hello " + firstname +' ' +lastname); // print the //firstname,lastname
}
}
Output:
Enter the first name:
San
Enter the last name:
ert
Hello San ert
Explanation:
Following are the description of program
Declared two variable of string type i.e "firstname" and "lastname".Create a instance or object of scanner class .i.e "ob". Prompt the user to enter the first name in the "firstname" variableRead in the first name by the user by using the method nextLine() in the first name variable Prompt the user to enter the last name. Read in the last name by the user by using the method nextLine() in the lastname variable. Finally, print the first name and last name.List three types of technical information sources that an IS professional might use when researching a new storage technology and selecting specific products that incorporate that technology. Which information?
Answer:
The three types of technical information sources are:
Vendor and manufacturer Web sites.
Technology-oriented Web sites and publications.
Professional society Web sites.
Explanation:
Professional society Web sites provide most unbiased information.
These professional social websites are non profit companies as opposed to other sources of information that are profit making.
Social websites provides with the information that can help their members in a best way about getting information of their interest. This is done in an unbiased way because they do not work for some specific organizations or companies that want to sell their products or services.
Give state diagrams of DFAs that recognize the following languages.
In all parts, the alphabet is {0, 1}.
(a) {w|w begins with a 1 and ends with a 0}
(b) {w|w contains at least three 1s}
(c) {w|w contains the substring 0101, i.e., w = x0101y for some strings x, y}
Answer:
Following is attached the solution of each part step-by-step. I hope it will help you!
Explanation:
Search engines do not search the entire Web every time a user makes a search request, for all the following reasons EXCEPT a. It would take longer than the user could wait. b. The Web is too complex to be searched each time. c. It is more efficient to use pre-stored search results. d. Most users are not interested in searching the entire Web.
Answer:
Option C.
Explanation:
Search engine use of pre-stored search that results is not mostly accurate.
Search engines shouldn't search the whole Internet each time when user requests for a search because It might be taken more time than the user might have expected and Many users were not involved in exploring the whole Internet.
Describe how to scan a stack S containing to see if it contains a particular value x using only a queue Q and a constant number of reference variables. The stack contains n values and Q is initially empty. When the process finishes, the elements of S must be in their original order. [Preferred Language in C++]
Answer:
#include <iostream>
#include <stack>
#include <queue>
using namespace std;
bool checkfor(stack<int> &stk, int x){
queue<int> q;
bool flag = false;
while(!stk.empty()){
int p = stk.top();
stk.pop();
if(p == x){
flag = true;
}
q.push(p);
}
while(!q.empty()){
stk.push(q.front());
q.pop();
}
while(!stk.empty()){
q.push(stk.top());
stk.pop();
}
// from queue to stack
while(!q.empty()){
stk.push(q.front());
q.pop();
}
return flag;
}
int main(){
stack<int> stk;
// pushing data to stack
stk.push(1);
stk.push(3);
stk.push(43);
stk.push(2);
stk.push(5);
cout<<(checkfor(stk, 5)?"Found": "Not Found")<<'\n';
cout<<(checkfor(stk, 10)?"Found": "Not Found")<<'\n';
return 0;
}
Explanation:
Check the top of stack for relevant value and insert that into queue.Take value from front of queue and push it to stack after the stack is empty. Now empty queue and push values to stack.Two co-workers at Nortel came up with an idea for renting software over the Internet. Nortel's top management liked the idea and set up a special division called Channelware devoted to taking the idea and making a new product. The establishment of a new company and assigning the employees in the division the task of making an idea a reality requires which management function?
Answer:
The correct answer is: Organizing.
Explanation:
Management functions refer to the roles high-rank executives must play to handle businesses. Those functions are Planning, Organizing, Staffing, Directing, and Controlling. Organizing refers to the steps taken to create a structure in the organization. Managers should find the most optimal way to group the firm's resources to ensure efficiency and effectiveness. The process of organizing includes:
Identification of activities Grouping of activities Assigning of responsibilities Granting authority Establishing relationships
CHALLENGE ACTIVITY 2.15.1: Reading and outputting strings. Write a program that reads a person's first and last names, separated by a space. Then the program outputs last name, comma, first name. End with newline. Example output if the input is: Maya Jones Jones, Maya 1 2 3 4 5 6 7 8 9 10 11 12 #include #include using namespace std; int main() { string firstName; string lastName; /* Your solution goes here */ return 0; } 1 test passed All tests passed Run
A program that reads a person's first and last names, separated by a space is shown below.
Given that;
Write a program that reads a person's first and last names, separated by a space.
Here's a solution in C++ that should do the trick:
#include <iostream>
#include <string>
using namespace std;
int main() {
string firstName;
string lastName;
// Prompt user for input
cout << "Please enter your first and last names, separated by a space: ";
cin >> firstName >> lastName;
// Output the last name, comma, first name
cout << lastName << ", " << firstName << endl;
return 0;
}
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Final answer:
To solve the programming exercise, include cin to read two strings representing the first and last name, then output them in 'Last name, First name' format using cout, followed by a newline.
Explanation:
To complete the coding exercise, you need to read in a person's first and last name and then display the last name followed by a comma, and then the first name. You can achieve this by using the cin to read the names and cout to output the result in the required format.
The program will look like this:
#include
#include
using namespace std;
int main() {
string firstName;
string lastName;
// Reading the first and last name
cin >> firstName >> lastName;
// Output in 'Last name, First name' format
cout << lastName << ", " << firstName << endl;
return 0;
}
Simply include the code segment within the "/* Your solution goes here */" section in your program. When you run this code, it will prompt you to input a first and last name, and after you provide it, the program will print out the last name, a comma, and then the first name followed by a newline as specified in the exercise.
Assume that the data on a worksheet consume a whole printed page and two columns on a second page. You can do all of the following except what to force the data to print all on one pageIncrease the left and right margins.
Answer:
Increase the left and right margins.
Explanation:
Microsoft Excel is a spreadsheet application package from the Microsoft office package. It is a tool used for analysing and cleaning and/or organising information.
It's worksheets are made of cells located by columns or fields and rows or records. A collection of worksheets is called a workbook. An Excel file can be printed after use.
When a print layout is viewed and printed, and columns of the file is printed on another page. To avoid this, reduce the size of the columns and the size of the left and right margins and also decrease the scale value and change to a bigger paper printer size if required.
Write a program that reads an integer, a list of words, and a character. The integer signifies how many words are in the list. The output of the program is every word in the list that contains the character at least once. Assume at least one word in the list will contain the given character. Assume that the list of words will always contain fewer than 20 words.
Final answer:
The question asks for a program that reads an integer representing the number of words in a list, the words themselves, and a character, and then prints each word from the list that contains the character at least once. A sample Python script has been provided to illustrate how this can be achieved by iterating through the list and checking for the presence of the character in each word.
Explanation:
To create a program that reads an integer, a list of words, and a character, where the integer indicates the number of words in the list, and the output displays every word containing the specified character at least once, you would typically use a programming language like Python. The task involves iterating through the list of words and checking if each word contains the character. Here is a simple example in Python:
# Read the integerThis script prompts the user to input the number of words, the words themselves, and the character to search for. It then prints out any word that contains the character.
Write a program that accepts as input the mass, in grams, and density, in grams per cubic centimeters, and outputs the volume of the object using the formula: volume mass / density. Format your output to two decimal places.
Answer:
Program for the above question in python:
mass = float(input("Enter the mass in grams")) # It is used to take the mass as input.
density = float(input("Enter the density grams per cm cube")) # It is used to take the input for the grams.
print("Volume ={:.2f}".format(mass/density)) #It is used to print the Volume.
Output:
If the user inputs as 2.98 and 3.2, then it will results as 0.92.Explanation:
The above code is in python language, in which the first statement is used to take the inputs from the user for the mass and sore it into a mass variable.Then the second statement also takes the input from the user and store it into a density variable.Then the third statement of the code is used to print the volume up to two places using the above-defined formula.To write a program that calculates and outputs the volume of an object using mass and density, you need to collect the mass and density from the user as input and use the formula volume = mass / density. Format the output to two decimal places using a print or format function that specifies the decimal precision.
Explanation:To write a program that calculates and outputs the volume of an object using mass and density, you would need to collect the mass and density from the user as input. Then, you can use the formula volume = mass / density to calculate the volume. To format the output to two decimal places in most programming languages, you can use a print or format function that specifies the decimal precision. Here's an example in Python:
mass = float(input('Enter the mass in grams: '))This program prompts the user to enter the mass and density, calculates the volume using the formula, and then formats the output to two decimal places using the '{:.2f}' format specifier.
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