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ddd [48]
2 years ago
10

How to prevent water pollution​

Computers and Technology
1 answer:
loris [4]2 years ago
6 0

Answer:

Here is your answer

Explanation:

1. pick up litter and throw it away in a garbage can.

2. use environmentally household products such as washing powder, household cleaning agents

3. wash your car or outdoor equipment where it can flow to a gravel or grassed area instead of a street.

4. don't throw waste at ocean it will harm the animals and create tocsin.

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What would a good digital citizen do in the following situation? Nick sees that his classmate left her email account open on a s
Inessa [10]
1234567898765432123456789876543212345678987654321
3 0
3 years ago
Design a software system for a bookstore that keeps an inventory of two types of books: Traditional books and books on CD. Books
Sophie [7]

Answer:

Explanation:

a. In this scenario, the best solution would have an Object of Traditional Books, CD, Music, Bookstore and Customer.

b. All five objects would be able to be called by the main program loop and the Customer Object would call upon and use either the Books or CD object, While the Bookstore object would call upon all of the other objects.

c. Both the Bookstore object and Customer object will "have" other objects as the Bookstore needs to hold information on every Book or CD in the Inventory. While the Customer object would call upon the Book and CD object that they are purchasing.

d. The Music Object will extend the CD object and use information on the CD object as its parent class.

e. Since the Music Object extends the CD object it is also considered a CD since it is in CD format like the Books on CD and therefore is both objects.

8 0
3 years ago
____________________deals with syntax and semantics ofinformation exchange.
Goshia [24]

Answer:

The answer is (a).Presentation Layer

Explanation:

This layer is located at the 6th level of the OSI model, responsible for delivering and formatting the information to the upper layer for further processing. This service is needed because different types of computer uses different data representation. The presentation layer handles issues related to data presentation and transport, including encryption,translation and compression.

3 0
2 years ago
Write a Java test program, named TestGuitar, to create 3different Guitars representing each representing a unique test case and
alina1380 [7]

Answer:

Explanation:

//Guitar.java

import java.awt.Color;

import java.lang.reflect.Field;

import java.util.Random;

public class Guitar

     /**

     * these two fields are used to generate random note and duration

     */

     static char[] validNotes = 'A', 'B', 'C', 'D', 'E', 'F', 'G' ;

     static double[] validDuration = 0.25, 0.5, 1, 2, 4 ;

     /**

     * basic guitar attributes

     */

     private int numStrings;

     private double guitarLength;

     private String guitarManufacturer;

     private Color guitarColor;

     public Guitar()

           /**

           * default constructor

           */

           numStrings = 6;

           guitarLength = 28.2;

           guitarManufacturer = Gibson;

           guitarColor = Color.RED;

     

     public Guitar(int numStrings, double guitarLength,

                 String guitarManufacturer, Color guitarColor)

           /**

           * parameterized constructor

           */

           this.numStrings = numStrings;

           this.guitarLength = guitarLength;

           this.guitarManufacturer = guitarManufacturer;

           this.guitarColor = guitarColor;

     

     /**

     * required getters and setters

     */

     public static char[] getValidNotes()

           return validNotes;

     public static void setValidNotes(char[] validNotes)

           Guitar.validNotes = validNotes;      

     public static double[] getValidDuration()

           return validDuration;

     public

4 0
3 years ago
You have important data on your hard drive that is not backed up and your Windows installation is so corrupted you know that you
Solnce55 [7]

Answer:

b.Make every attempt to recover the data

Explanation:

If you have important data on your hard drive that is not backed up and your Windows installation is so corrupted you know that you must refresh the entire installation you should  make every attempt to recover the data.

4 0
3 years ago
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