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iren2701 [21]
2 years ago
10

I would A lot of knowledge and education for computers and Technology

Computers and Technology
2 answers:
borishaifa [10]2 years ago
7 0

Answer:

Pay attention in your class.

Explanation:

If you paid attention in your class, you would have at least a basic understanding of the material.

Natasha_Volkova [10]2 years ago
6 0
Could google it like I did. Tons of videos on how to do everything
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1. Digital videos look sharpest when they are displayed at a resolution that is larger than the frame size.
boyakko [2]

Answer:

(d) all of the above

Explanation:

This is because, not only is digital video a core technology for digital television, it also happens to be a core technology for video conferencing and video messaging. This could be seen in its application in messaging apps for private discussion of for holding official meetings between employees in virtual conference.

8 0
2 years ago
2. Using the Book class developed in HW 4, write an application, BookLibrary, that creates a library (array) of up to 10 books a
qwelly [4]

BookLibrary, that creates a library (array) of up to 10 books. If the user selects the add option, issue an error message if the library is full.If the book with that title exists, issue an error message

Explanation:

import java.util.Scanner;

import java.util.Arrays;

public class Derro_BooksLibrary {

public static void main(String[] args) {

 Derro_Books[] Library = new Derro_Books[10];

 Scanner scan = new Scanner(System.in);

 Derro_Books book1 = new Derro_Books("", 20);

 Derro_Books book2 = new Derro_Books("hi", 10);

 Library[0] = book1;

 Library[1] = book2;

 System.out.println("Enter 1 for add, 2 for delete, 3 for change, 4 to stop application: ");

 int answer = scan.nextInt();

 int counter = 0;

 int z = 0;

 while (true) {

  if (answer == 1) {

   for (Derro_Books book : Library) {

    counter = counter + 1;

   }

   if (counter == 10) {

    System.out.println("Library full");

   }

   System.out.println("Enter Title: ");

   String title = scan.nextLine();

   for (int i = 0; i < Library.length; i++) {

    if (title == Library[i].getTitle()) {

     System.out.println("No Duplicated Books Titles Are Allowed");

     break;

    }

    else {

     z++;

    }

   }

   if (z < Library.length) {

   System.out.println("Enter number of pages: ");

   int pages = scan.nextInt();

   Library[z + 1] = new Derro_Books(title, pages);

  }

  if (answer == 2){

   if (Library.length == 0) {

    System.out.println("Library is empty");

   }

   System.out.println("Enter title of book: ");

   String title2 = scan.nextLine();

   for (int d = 0; d < Library.length; d++) {

    if (title2 == Library[d].getTitle())

     // Delete book

     System.out.println("Deleted book: " + title2);

    else

     System.out.println("Book does not exist");

   }

  }

  if (answer == 3) {

   if (Library.length == 0) {

    System.out.println("Library is empty.");

   } else {

    System.out.println("Enter book title: ");

    String title3 = scan.nextLine();

    for (int y = 0; y < Library.length; y++) {

     if (title3 != Library[y].getTitle())

      continue;

     else {

      System.out.println("Enter number of pages: ");

      int pages = scan.nextInt();

      Library[y] = new Derro_Books(title3, pages);

     }

    }

   }

  }

  String[] StringList = new String[10];

  for (int y = 0; y < Library.length; y++) {

   StringList[y] = Library[y].getTitle();

  }

  Arrays.sort(StringList);

  for (String bookt : StringList) {

   System.out.println(bookt + Library);

  }

 }

}

}

}

6 0
3 years ago
Describe the objectives of e-commerce ?​
AnnZ [28]

Answer: eCommerce is to reach the more and right customers at the right time so that more orders can be placed and in turns, high revenue can be generated.

Explanation:

5 0
3 years ago
My code get an input of 1900 and it should output not a leap year but it fails first line of code. It should output not a Leap a
marshall27 [118]

Answer:

Explanation:

The code does not fail on the first step since 1900 divided by 4 is actually 475 and has no remainder, meaning that it should return True. The code won't work because the if statements need to be nested in a different format. The correct algorithm would be the following, which can also be seen in the picture attached below that if we input 1900 it would output is not a leap year as it fails on the division by 400 which gives a remainder of 0.75

input_year = int(input())

if input_year % 4 == 0:

   if input_year % 100 == 0:

       if input_year % 400 == 0:

           print(input_year, "is a leap year")

       else:

           print(input_year, "- not a leap year")

   else:

       print(input_year, "is a leap year")

else:

   print(input_year, "- not a leap year")

3 0
3 years ago
Define an object named outfile that can be used to write data from program variables to a file.
ad-work [718]
<span>An object that named outfile that can be used to write data from program variables to a file is an ofstream. An ofstream is used to maintain and keep the filebuf things and they are used as internal stream buffer. It is also connected with its identified files and its primary files.</span>
7 0
3 years ago
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