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3 years ago

Write a program in pascal to solve a quadratic equation

1 answer:

5 0

Program p1;
var a,b,c,d : integer; {i presume you give integer numbers for the values of a, b, c }
     x1, x2 : real;
begin
write('a='); readln(a);
write('b='); readln(b);
write('c=');readln(c);
d:=b*b - 4*a*c
if a=0 then x1=x2= - c/b
          else
if d>0 then begin
                 x1:=(-b+sqrt(d)) / (2*a);
                 x2:=(-b - sqrt(d))/(2*a);
                end;
          else if d=0 then x1=x2= - b /(2*a)
                           else write ("no specific solution because d<0");
writeln('x1=', x1);
writeln('x2=',x2);
readln;
end.

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In computer science how can you define "copyright, designs and patents act 1988"?

Natali5045456 [20]

Answer:

Explanation:

The Copyright Designs and Patents Act (1988) gives creators of digital media the rights to control how their work is used and distributed. ...

Anything which you design or code is automatically copyrighted and may not be copied without your permission, as the digital creator.

5 0

2 years ago

Import java.awt.GridLayout;

Vikki [24]

Answer:

public class ConversionCalculator extends JFrame {

private JLabel inch_Label, meter_Label, cm_Label, yard_Label;

private JButton clear, calculate, exit;

private JTextField inch_tf, cm_tf, meters_tf, yards_tf;

public ConversionCalculator()

{

exitButtonHandler exitB;

clearButtonHandler clearB;

calcButtonHandler calcB;

setTitle("Conversion Calculator");

setSize(600,200);

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

//The first layout we use will be 1 row with three columns

setLayout(new GridLayout(1,3));

//initialize all the components

inch_Label = new JLabel("Inches");

meter_Label = new JLabel("Meters");

cm_Label = new JLabel("Centimeters");

yard_Label = new JLabel("Yards");

clear = new JButton("Clear");

calculate = new JButton("Calculate");

exit = new JButton("Exit");

inch_tf = new JTextField("0.00");

cm_tf = new JTextField("0.00");

meters_tf = new JTextField("0.00");

yards_tf = new JTextField("0.00");

JPanel panel1 = new JPanel();

panel1.setLayout(new GridLayout(2,2));

JPanel panel2 = new JPanel();

panel2.setLayout(new GridLayout(2,2));

JPanel panel3 = new JPanel();

panel3.setLayout(new GridLayout(3,1));

panel1.add(cm_Label);

panel1.add(cm_tf);

panel1.add(meter_Label);

panel1.add(meters_tf);

panel2.add(inch_Label);

panel2.add(inch_tf);

panel2.add(yard_Label);

panel2.add(yards_tf);

panel3.add(clear);

panel3.add(calculate);

panel3.add(exit);

add(panel1);

add(panel2);

add(panel3);

exitB = new exitButtonHandler();

exit.addActionListener(exitB);

clearB = new clearButtonHandler();

clear.addActionListener(clearB);

calcB = new calcButtonHandler();

calculate.addActionListener(calcB);

setVisible(true);

}

//public static void main(String[] args)

// {

// new ConversionCalculator();

//}

private class exitButtonHandler implements ActionListener

{

public void actionPerformed(ActionEvent e)

{

//exits program

System.exit(0);

}

private class clearButtonHandler implements ActionListener

{

public void actionPerformed(ActionEvent e)

{

//clear button sets all text fields to 0

inch_tf.setText("0.00");

meters_tf.setText("0.00");

yards_tf.setText("0.00");

cm_tf.setText("0.00");

}

private class calcButtonHandler implements ActionListener

{

public void actionPerformed(ActionEvent e)

{

double inches, yards, meters, cms;

DecimalFormat df = new DecimalFormat("0.00");

//parse strings in textbox into doubles

inches = Double.parseDouble(inch_tf.getText());

yards = Double.parseDouble(yards_tf.getText());

meters = Double.parseDouble(meters_tf.getText());

cms = Double.parseDouble(cm_tf.getText());

//we check which value has been tampered with and base our conversion off this

//because of this it is important that the user clears, or else it will do inch conversion

if(inches != 0.00)

{

cms = inches * 2.54;

meters = cms / 100;

yards = inches / 36;

cm_tf.setText(df.format(cms));

meters_tf.setText(df.format(meters));

yards_tf.setText(df.format(yards));

}

else if(yards != 0.00)

{

inches = yards / 36;

cms = inches * 2.54;

meters = cms / 100;

cm_tf.setText(df.format(cms));

meters_tf.setText(df.format(meters));

inch_tf.setText(df.format(inches));

}

else if(meters != 0.00)

{

cms = meters * 100;

inches = cms / 2.54;

yards = inches / 36;

cm_tf.setText(df.format(cms));

inch_tf.setText(df.format(inches));

yards_tf.setText(df.format(yards));

}

else if(cms != 0.00)

{

inches = cms / 2.54;

yards = inches / 36;

meters = cms / 100;

meters_tf.setText(df.format(meters));

inch_tf.setText(df.format(inches));

yards_tf.setText(df.format(yards));

}

Explanation:

Inside the action performed method, pass the strings in text box.
check if the value has been modified then do the relevant conversions inside the conditional statement.
When the user clears, it will not do to the inch conversion.

8 0

3 years ago

100 Base-T: Group of answer choices

Allisa [31]

Answer:

can run at either full- or half-duplex

Explanation:

In Computer Networking, 100Base-T also known as fast ethernet is an ethernet standard that operates at 100Mbps and can run at either full- or half-duplex.

It uses Shielded Twisted Pair (STP) cabling system.

The Variations of 100BaseT are;

- 100BaseTX

- 100BaseFX.

8 0

3 years ago

A married man gets a new job in a company. After three months, he meets a younger woman in the finance department and they begin

pav-90 [236]

Answer:

False ( B )

Explanation:

Of the seven IT infrastructure domains The USER domain was not at risk because the User Domain is not task with handling the sharing of data or Mutual communication between users in a Typical IT infrastructure.

The domain charged with such responsibility is The LAN domain because the LAN domain is charged with the sharing of information between the USERS and maintaining good mutual communication, and since the relationship has become sour, the sharing of information between the users will suffer the most and it will be at a high risk

5 0

3 years ago

Explain why cloud computing can be more complex than a traditional approach.

sp2606 [1]

Cloud computing is more complex than traditional approach due to the following reasons.

Explanation:

1.Cost Savings and Total Cost of Ownership. When you move to cloud computing you tend to save money in several ways in comparison to traditional IT, including the reduction of in-house equipment and infrastructure.

2.Dissatisfaction in Traditional IT. Many companies are frustrated with the negatives that come with traditional IT, such as poor data backup, managing and maintaining your own hardware, and lack of disaster recovery options.

3.Time to Value and Ease of Implementation. Since you don’t have to spend time configuring hardware, maintain systems, and patching software, you can invest your resources elsewhere.

4.Access to Emerging Technology. Much like a car, the minute you purchase on-premise hardware and software, it immediately starts to age. You can access the latest and greatest innovations with a cloud provider who has more purchasing power and stays up-to-date with available solutions. Also, as new innovations are released, they become less likely to integrate with legacy solutions that are often inflexible. Instead, cloud-first development is coming to the forefront.

5.Using Hybrid to Optimize your Operations. Some organizations take the use of the cloud even further by using multiple clouds simultaneously, thus giving them even more agility. Workloads are placed where they perform best, and where costs are most efficient.

5 0

3 years ago