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Yuki888 [10]
4 years ago
15

This morning when Paul turned on his computer at work, it would not boot. Instead, Paul reported that he heard a loud clicking n

oise coming from inside his computer.What might be the problem with Paul's computer? Magnetic hard drive failed. hard drive failed. Magnetic hard drive crashed None of these
Computers and Technology
1 answer:
IRISSAK [1]4 years ago
3 0

Answer:

The problem with Paul's computer is that the magnetic hard drive failed.

Explanation:

A magnetic hard drive or hard disk is a non-volatile storage device, which is used to store different information on a computer.

The magnetic disk is made up of numerous magnetic plates, these plates are divided into sectors and tracks. A spindle is present in the middle to rotate the combined plates or the whole unit.

When there is a clicking noise coming from the magnetic disk, it could mean that one of the plates is damaged or if the power to the computer is inconsistent. This can greatly affect the performance of your computer.

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3 years ago
Define the missing method. licenseNum is created as: (100000 * customID) licenseYear, where customID is a method parameter. Samp
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Answer:

I am writing the program in JAVA and C++

JAVA:

public int createLicenseNum(int customID){  //class that takes the customID as parameter and creates and returns the licenseNum

       licenseNum = (100000 * customID) + licenseYear;  //licenseNum creation formula

       return(licenseNum);     }

In C++ :

void DogLicense::CreateLicenseNum(int customID){ //class that takes the customID as parameter and creates the licenseNum

licenseNum = (100000 * customID) + licenseYear; } //licenseNum creation formula

Explanation:

createLicenseNum method takes customID as its parameter. The formula inside the function is:

licenseNum = (100000 * customID) + licenseYear;

This multiplies 100000 to the customID and adds the result to the licenseYear and assigns the result of this whole expression to licenseNum.

For example if the SetYear(2014) means the value of licenseYear is set to 2014 and CreateLicenseNum(777) this statement calls createLicenseNum method by passing 777 value as customID to this function. So this means licenseYear = 2014 and customID  = 777

When the CreateLicenseNum function is invoked it computes and returns the value of licenseNum as:

licenseNum = (100000 * customID) + licenseYear;

                     = (100000 * 777) + 2014

                     = 77700000 + 2014

licenseNum = 77702014                                                                                                        

So the output is:

Dog license: 77702014          

To call this function in JAVA:

public class CallDogLicense {

public static void main(String[] args) {//start of main() function

    DogLicense dog1 = new DogLicense();//create instance of Dog class

dog1.setYear(2014); // calls setYear passing 2014

dog1.createLicenseNum(777);// calls createLicenseNum passing 777 as customID value

System.out.println("Dog license: " + dog1.getLicenseNum()); //calls getLicenseNum to get the computed licenceNum value

return; } }

Both the programs along with the output are attached as a screenshot.

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4 years ago
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