In assigning a value for the most pessimistic (b) duration, the project manager should estimate the duration of the activity to
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After having verified that the video cable is installed correctly we should check to see that the computer's RAM is correctly fastened to the motherboard and functional.
The question states that the video card being installed is new, therefore we can comfortably assume that the card itself is not the issue. Other computer components that can cause a blank screen immediately upon powering on the workstation are:
- RAM
- Hard drive
- Bad video driver.
- Monitor input is faulty
however, assuming the installation was performed correctly, it is not likely to be caused by a bad video driver and a faulty monitor input is very improbable given that there are very few ways this can break to begin with.
A bad or missing hard drive may cause this kind of issue because the workstation will not have a windows file to boot. In most cases, this will not cause a completely blank screen without first allowing access to the BIOS.
After having verified that the video cable is installed correctly, the very next thing you should check is if the RAM is installed correctly. This is because the issue explained is exactly what will happen if a workstation attempts to boot without RAM, and also because it is the easiest fix among the possible causes and any troubleshooting should always be performed in order from the easiest fix to the most difficult.
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Answer:
Check the explanation
Explanation:
//Define the class.
public class Loan implements java.io.Serializable {
//Define the variables.
private static final long serialVersionUID = 1L;
private double annualInterestRate;
private int numberOfYears;
private double loanAmount;
private java.util.Date loanDate;
//Define the default constructor.
public Loan() {
this(2.5, 1, 1000);
}
//Define the multi argument constructor.
protected Loan(double annualInterestRate, int numberOfYears,
double loanAmount) {
this.annualInterestRate = annualInterestRate;
this.numberOfYears = numberOfYears;
this.loanAmount = loanAmount;
loanDate = new java.util.Date();
}
//Define the getter and setter method.
public double getAnnualInterestRate() {
return annualInterestRate;
}
public void setAnnualInterestRate(double annualInterestRate) {
this.annualInterestRate = annualInterestRate;
}
public int getNumberOfYears() {
return numberOfYears;
}
public void setNumberOfYears(int numberOfYears) {
this.numberOfYears = numberOfYears;
}
public double getLoanAmount() {
return loanAmount;
}
public void setLoanAmount(double loanAmount) {
this.loanAmount = loanAmount;
}
//Define the method to compute the monthly payment.
public double getMonthlyPayment() {
double monthlyInterestRate = annualInterestRate / 1200;
double monthlyPayment = loanAmount * monthlyInterestRate / (1 -
(Math.pow(1 / (1 + monthlyInterestRate), numberOfYears * 12)));
return monthlyPayment;
}
//Define the method to get the total payment.
public double getTotalPayment() {
double totalPayment = getMonthlyPayment() * numberOfYears * 12;
return totalPayment;
}
public java.util.Date getLoanDate() {
return loanDate;
}
}
//Define the client class.
public class ClientLoan extends Application {
//Create the server object.
ServerLoan serverLoan;
//Declare the variables.
int y;
double r, a, mp=0, tp=0;
String result,d1;
//Create the button.
Button b = new Button("Submit");
//Define the method stage.
public void start(Stage primaryStage) throws Exception {
TimeZone.setDefault(TimeZone.getTimeZone("EST"));
TimeZone.getDefault();
d1 = "Server Started at " +new Date();
//Create the GUI.
Label l1=new Label("Annual Interest Rate");
Label l2 = new Label("Number Of Years:");
Label l3 = new Label("Loan Amount");
TextField t1=new TextField();
TextField t2=new TextField();
TextField t3=new TextField();
TextArea ta = new TextArea();
//Add the components in the gridpane.
GridPane root = new GridPane();
root.addRow(0, l1, t1);
root.addRow(1, l2, t2, b);
root.addRow(5,l3, t3);
root.addRow(6, ta);
//Add gridpane and text area to vbox.
VBox vb = new VBox(root, ta);
//Add vbox to the scene.
Scene scene=new Scene(vb,400,250);
//Add button click event.
b.setOnAction(value -> {
//Get the user input from the text field.
r = Double.parseDouble(t1.getText());
y = Integer.parseInt(t2.getText());
a = Double.parseDouble(t3.getText());
//Create the loan class object.
Loan obj = new Loan(r, y, a);
//Call the method to compute the results.
mp = obj.getMonthlyPayment();
tp = obj.getTotalPayment();
//Format the results.
result = "Annual Interest Rate: "+ r+"\n"+
"Number of Years: "+y+"\n"+
"Loan Amount: "+a+"\n"+
"monthlyPayment: "+mp+"\n"+
"totalPayment: "+tp;
//Add the result to the textarea.
ta.setText(result);
//Create an object of the server class.
serverLoan = new ServerLoan(this);
});
//Set the scene to the stage.
//Set the stage title.
//Make the scene visible.
primaryStage.setScene(scene);
primaryStage.setTitle("ClientLoan");
primaryStage.show();
}
//Define the main method lauch the application.
public static void main(String args[])
{
launch(args);
}
//Define the server class.
class ServerLoan extends Stage {
//Create the client loan object.
ClientLoan parent;
//Create the stage object.
Stage subStage;
//Create the text area.
TextArea ta = new TextArea();
//Define the constructor.
private ServerLoan(ClientLoan aThis) {
//Get the time in desired timezone.
TimeZone.setDefault(TimeZone.getTimeZone("EST"));
TimeZone.getDefault();
//Format the date with message.
String d2 = "Connected to client at " +new Date();
//Initialize the object.
parent = aThis;
//Add the date and the result to
//the text area.
ta.setText(d1);
ta.appendText("\n"+ d2);
ta.appendText("\n"+result);
//Create the grouppane.
GridPane root = new GridPane();
//Add text area to the group pane.
root.addRow(0, ta);
//Initialise the stage object.
subStage = new Stage();
//Add gridpane to the scene.
Scene scene = new Scene(root, 400, 200);
//Set the scene to the stage.
//Set the stage title.
//Make the scene visible.
subStage.setScene(scene);
subStage.setTitle("ServerLoan");
subStage.show();
}
}
}
Kindly check the Output in the attached image below.
