What are the design concepts and assumptions behind a class, an object and the relationship between them? What are the roles methods and static fields play in OOP?

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.

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.

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

Answer:

Following are the Pseudocode for the above problem:

Explanation:

Output:

Pseudocode Explanation:

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:

Explanation:

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.

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:

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.

https://brainly.com/question/20474319

#SPJ11

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.

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.

Answer:

"Web browser" is the correct answer for the above question.

Explanation:

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.

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

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:

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

Explanation:

The internet is a tool that has revolutionized the way communication is carried out. As it is a dynamic tool with easy access for any user, it is possible to use different platforms or social media to realize disruptive or non-traditional forms of earnings.

Some of them could be the dissemination of links that would generate advertising for other companies, or the free dissemination in social media of services, and several other innovations that use the internet as the main means to manufacture an extra income, such as online teaching, advertising for third parties etc.

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.

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:

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:

This 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.

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:

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:

Explanation:

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

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.

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.

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:

Answer:

Following is attached the solution of each part step-by-step. I hope it will help you!

Explanation:

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.

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;

}

To learn more about the technology visit:

https://brainly.com/question/13044551

#SPJ3

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.

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.

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.

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?

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!

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)

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:

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

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.