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Strike441 [17]
2 years ago
12

How is blockchain different from traditional database models?

Computers and Technology
1 answer:
Natasha2012 [34]2 years ago
5 0

Answer:

The primary difference between a blockchain and a database is centralization. While all records secured on a database are centralized, each participant on a blockchain has a secured copy of all records and all changes so each user can view the provenance of the data.

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John's father specifically asked him to get a magnetic disk from the store in his neighborhood. What should John buy?
Korvikt [17]

Answer:

A floppy disk

Explanation:

A floppy disk uses a thin sheet of magnetic material to store data. It would make the most sense as the other choices use an entirely different system.

5 0
3 years ago
Application for a lawn-mowing service. The lawn-mowing season lasts 20 weeks. The weekly fee for mowing a lot under 40 square fe
Alex

The prompt to the user for the length and width of a lawn is; Done by the program created below in Java using JOPTIONPANE

<h3>How do you write a Program in Java?</h3>

// library

import java.util.*;

// class definition

class Main

{// main method of the class

public static void main (String[] args) throws java.lang.Exception

{

  try{

   // object to read inputs

     Scanner scr=new Scanner(System.in);

     System.out.print("Enter length of lawn:");

     // read the length of lawn

     int length=scr.nextInt();

     System.out.print("Enter width of lawn:");

     // read the width of lawn

     int width=scr.nextInt();

     // find area of lawn

     int area=length*width;

     //if area is less than 400

     if(area<400)

     {// Weekly mowing fee

         System.out.println("Weekly mowing fee is:$25");

         // seasonal fee

         System.out.println("20-week seasonal fee is:$"+(25*20));

     }

     // if area >=400 and area <600

     else if(area>=400 && area<600)

     {

        // Weekly mowing fee

         System.out.println("Weekly mowing fee is:$35");

         // seasonal fee

         System.out.println("20-week seasonal fee is:$"+(35*20));

     }

     // if area >=600

     else if(area>=600)

     {

        // Weekly mowing fee

         System.out.println("Weekly mowing fee is:$50");

         // seasonal fee

         System.out.println("20-week seasonal fee is:$"+(50*20));

     }

  }catch(Exception ex){

      return;}

}

}

Read more about Java Programming at; brainly.com/question/18554491

3 0
2 years ago
Which option is used in Access to locate and retrieve data that may be present in multiple database tables within the database?
ladessa [460]

Answer:

Subroutines

Explanation:

4 0
3 years ago
Read 2 more answers
Write the code for the method getNewBox. The method getNewBox will return a GiftBox that has dimensions that are m times the dim
liraira [26]

Answer:

public class GiftBox{

private int length;

private int width;

private int height;

 

public GiftBox(double length, double width, double height) {

this.length = length;

this.width = width;

this.height = height;

}

 

public static GiftBox getNewBox(GiftBox giftBox, double m) {

return new GiftBox(m * giftBox.length, m * giftBox.width, m * giftBox.height);

}

 

private boolean fitsInside(GiftBox giftBox) {

if(giftBox.length < this.length && giftBox.width <this.width

&& giftBox.height < this.height) {

return true;

}

return false;

}

 

public static void main(String []args){

GiftBox giftBox = new GiftBox(3.0 , 4.0, 5.0);

GiftBox newGiftBox = getNewBox(giftBox, 0.5);

System.out.println("New Box length: " + newGiftBox.length);

System.out.println("New Box width: " + newGiftBox.width);

System.out.println("New Box height: " + newGiftBox.height);

 

GiftBox gift = new GiftBox(3.0 , 4.0, 5.0);

GiftBox other = new GiftBox(2.1 , 3.2, 4.3);

GiftBox yetAnother = new GiftBox(2.0 , 5.0, 4.0);

 

System.out.println(gift.fitsInside(other));

System.out.println(gift.fitsInside(yetAnother));

}

}

Explanation:

The getNewBox is a public method in the GiftBox class in the Java source code above. It returns the GiftBox object instance increasing or multiplying the dimensions by the value of m of type double.

3 0
3 years ago
The _____ method randomly rearranges the items in the list provided in the parentheses.
yulyashka [42]
Shuffle is the answer
8 0
3 years ago
Read 2 more answers
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