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3 years ago

Answer for 5,6,7 any one know plz

Computers and Technology

1 answer:

katrin2010 [14]3 years ago

5 0

Answer:

first question option is d

second is false

third is mark

Explanation:

5-The following are generic font

serif
sans-serif
cursive
fantasy
monospace

6 - We can change image size using height and width. so it is false.

7 - we can highlight text using <mark> Marked text </mark>

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Which type of communication protocol converts data into standard formats that can be used by applications?

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3 years ago

Consider the code fragment below (with nested loops). int sum = 0;for (int i = 1; i < 5; i++) for (int j = 1; j <= i; j++)

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Answer:

Option d is the correct answer for the above question.

Explanation:

The first loop of the program has a second loop and then the statement. In this scenario, the second loop executes for the value of the first loop and the statement executes for the value of the second loop.
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3 years ago

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3 years ago

Design a class named Complex for representing complex numbers and the methods add, subtract, multiply, divide, abs for performin

Tanzania [10]

Answer:

Explanation:

The following code is written in Java, it creates the entire complex class as requested so that it works with the main method that has been provided in the question without having to change anything in the main method. Proof of output can be seen in the attached picture below

import java.util.Scanner;

class Test implements Cloneable{

public static void main(String[] args) {

Scanner input = new Scanner(System.in);

System.out.print("Enter the first complex number: ");

double a = input.nextDouble();

double b = input.nextDouble();

Complex c1 = new Complex(a, b);

System.out.print("Enter the second complex number: ");

double c = input.nextDouble();

double d = input.nextDouble();

Complex c2 = new Complex(c, d);

System.out.println("(" + c1 + ")" + " + " + "(" + c2 + ")" + " = " + c1.add(c2));

System.out.println("(" + c1 + ")" + " - " + "(" + c2 + ")" + " = " + c1.subtract(c2));

System.out.println("(" + c1 + ")" + " * " + "(" + c2 + ")" + " = " + c1.multiply(c2));

System.out.println("(" + c1 + ")" + " / " + "(" + c2 + ")" + " = " + c1.divide(c2));

System.out.println("|" + c1 + "| = " + c1.abs());

Complex c3 = c1;

System.out.println(c1 == c3);

System.out.println(c3.getRealPart());

System.out.println(c3.getImaginaryPart());

}

class Complex implements Cloneable {

public interface Cloneable { }

private double realPart;

public double getRealPart() {

return realPart;

}

public void setReal(double real) {

this.realPart = real;

}

private double imaginaryPart;

public double getImaginaryPart() {

return imaginaryPart;

}

public void setImaginary(double imaginary) {

this.imaginaryPart = imaginary;

}

public Complex(double a, double b) {

realPart = a;

imaginaryPart = b;

}

public Complex(double a) {

realPart = a;

imaginaryPart = 0;

}

public Complex() { }

public Complex add(Complex comp2) {

double real1 = this.getRealPart();

double real2 = comp2.getRealPart();

double imaginary1 = this.getImaginaryPart();

double imaginary2 = comp2.getImaginaryPart();

return new Complex(real1 + real2, imaginary1 + imaginary2);

}

public Complex abs() {

double real1 = Math.abs(this.getRealPart());

double imaginary1 = Math.abs(this.getImaginaryPart());

return new Complex(real1, imaginary1);

}

public Complex subtract(Complex comp2) {

double real1 = this.getRealPart();

double real2 = comp2.getRealPart();

double imaginary1 = this.getRealPart();

double imaginary2 = comp2.getRealPart();

return new Complex(real1 - real2, imaginary1 - imaginary2);

}

public Complex multiply(Complex comp2) {

double real1 = this.getRealPart();

double real2 = comp2.getRealPart();

double imaginary1 = this.getRealPart();

double imaginary2 = comp2.getRealPart();

return new Complex(real1 * real2, imaginary1 * imaginary2);

}

public Complex divide(Complex comp2) {

double real1 = this.getRealPart();

double real2 = comp2.getRealPart();

double imaginary1 = this.getRealPart();

double imaginary2 = comp2.getRealPart();

return new Complex(real1 / real2, imaginary1 / imaginary2);

}

public String toString() {

String result;

result = realPart + " + " + imaginaryPart + "i";

return result;

}

3 0

2 years ago