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USPshnik [31]
3 years ago
7

The development of various technologies led to many historic events. Use information from the Internet to describe one major his

toric event initiated by a technological development or discovery.
Computers and Technology
1 answer:
kati45 [8]3 years ago
4 0

Answer:

The Compass

Explanation:

The compass was one of the foremost technological inventions that forever changed sea navigation.

Before its invention, sailors used landmarks to navigate and when it got dark, they had to stop and wait for daybreak before resuming their journey. Some other people used the inaccurate means of the sun and stars to navigate at sea.

But with the invention of the compass, all these problems were a thing of the past because the compass could provide direction despite the weather or time of the day and as a result, it opened more trade routes and assisted in the Age of Discovery.

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Write an application that inputs a telephone number as a string in the form (555) 555-5555. The application should use String me
Scilla [17]

Answer:

See explaination

Explanation:

// File: TelephoneNumber.java

import java.util.Scanner;

public class TelephoneNumber

{

public static void main(String[] args)

{

Scanner input = new Scanner(System.in);

String inputNumber;

String tokens1[];

String tokens2[];

String areaCode;

String firstThree;

String lastFour;

String allSeven;

String fullNumber;

/* input a telephone number as a string in the form (555) 555-5555BsAt4ube4GblQIAAAAASUVORK5CYII= */

System.out.print("Enter a telephone number as '(XXX) XXX-XXXX': ");

inputNumber = input.nextLine();

System.out.println();

/* use String method split */

tokens1 = inputNumber.split(" ");

/* extract the area code as a token */

areaCode = tokens1[0].substring(1, 4);

/* use String method split */

tokens2 = tokens1[1].split("-");

/* extract the first three digits of the phone number as a token */

firstThree = tokens2[0];

/* extract the last four digits of the phone number as a token */

lastFour = tokens2[1];

/* concatenate the seven digits of the phone number into one string */

allSeven = firstThree + lastFour;

/* concatenate both the area code and the seven digits of the phone number into one full string separated by one space */

fullNumber = areaCode + " " + allSeven;

/* print both the area code and the phone number */

System.out.println("Area code: " + areaCode);

System.out.println("Phone number: " + allSeven);

System.out.println("Full Phone number: " + fullNumber);

}

}

8 0
2 years ago
How would you define data science ?
Lady bird [3.3K]

Answer:

My take on Data  Science is extracting any valuable insight or information from the data given to us or data that we have by using certain programming languages,data manipulation techniques,algorithms.Also representing the result in different form possible like graphs,plots,scatter plots etc.

data science is growing very rapidly and becoming popular day by day.

5 0
3 years ago
What color is the smartart tolls tab?
garri49 [273]

Answer:

yellow

Explanation:

SmartArt tab is part of Microsoft Office. This tab is available in the Illustrations group, which is inside the insert tab. SmartArt tab is used to provide a new type of graphical tools that includes a list, process, cycles, etc.  

The advantages of the SmartArt tab is  given below:

  • The SmartArt tab normally provides a way to make an organized presentation.
  • This tab is mainly used on word, excel, and PowerPoint.

3 0
3 years ago
What does the following code print?
Crank

Answer:

It throws an error.

the public class needs a name.

like this:

public class G{ public static void main(String[] args) {

   int x=5 , y = 10;

   if (x>5 && y>=2) System.out.println("Class 1");

   else if (x<14 || y>5) System.out.println(" Class 2");

   else System.out.println(" Class 3"); }// end of main

   }

if you give the class a name and format it, you get:

Class 2

Explanation:

3 0
3 years ago
You receive an email that appears to legitimately be from your Bank. The email indicates the need for verification of your infor
anzhelika [568]

Answer:

phishing

Explanation:

6 0
2 years ago
Read 2 more answers
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