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3 years ago

List and define the types of System Software. How does System Software differ from Applications Software?

Computers and Technology

1 answer:

r-ruslan [8.4K]3 years ago

8 0

Answer: Operating system, Device driver, Firmware, Translator and Utility are the categories of system software.

Explanation:

Software can be either System software or Application software.

System software includes software to manage resources of the system such as hardware, input/output, and other machine level operations such as translation and compilation of programs.

System software can be categorized into

1 – Operating system: OS forms the interface between the user and hardware. OS hides the complexities of the hardware and provides a graphical user interface to the user for interaction with the system.

2 – Device driver: Every device has its own device driver. The driver forms the interface between the OS and the actual device. The operating system assigns the duties of the device to its driver.

3 – Firmware: This software is programmed on the memory chip. Any upgrades to this software is done by replacing the existing chip with new chips. Hence, this software is firm as per the name unlike other software which can be updated without replacing any component.

4 – Translator: This software translates programming language code to machine language instructions. Compilers, assemblers and interpreters are the types of translator. Translator may either translate complete code or one line of code at a time.

5 – Utilities – This software performs diagnostic and maintenance of the system. Examples include anti-virus, disk partition, data recovery, and the like.

System software vs Application software

1- System software manages computer resources.

Application software performs a particular task for the end user.

2- Installed according to the operating system used.

Applications are installed based on user’s needs.

3- System software works in the background and hence, no user interaction needed.

Application software are intended for the user and enable user interaction.

4- System software execute independently irrespective of applications.

Application software can only execute on the system software.

5- Examples include device driver, data recovery, etc.

Applications include excel, database, etc.

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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.

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3 years ago

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Lyrx [107]

Answer:

=IF(D3>50; E3; F3) AND =IF(A1>60;"Pass";"Fail")

Explanation:

An IF structure is built following this pattern:

IF(TEST;IFTRUE;IFFALSE)

These are the only options in the given drop-down menus what comply with this pattern. All others are not following this pattern.

The computer will do the test and if the result is true will apply the IFTRUE value, otherwise will apply the IFFALSE value.

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4 years ago