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Mama L [17]
3 years ago
13

Students working at individual PCs in a computer laboratory send their files to be printed by a server that spools the files on

its hard disk. Under what conditions may a deadlock occur if the disk space for the print spool is limited
Computers and Technology
1 answer:
Vanyuwa [196]3 years ago
5 0

Answer:

Explanation:

Disk space is a limited resource on the spooling partition and once it is filled the will cause a deadlock. Every single block that comes into the spooling partition claims a resource, and the one behind that wants resources as well, and so on. Since the spooling space is limited and half of the jobs arrive and fill up space then no more blocks can be stored, causing a deadlock. This can be prevented allowing one job to finish and releasing the space for the next job.

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Choose the correct answer base on the Components of Computer System
kondor19780726 [428]
1 - b - Excel is a computer program, so it'd be Software
2 - a - Process of elimination, haven't heard of the term 'peopleware' before.
3 - d - A joystick accepts input from a user to interact with a computer. ex. Flight Simulators
4 - c - A monitor will display (or output) an image based on what is received from the computer.
4 0
3 years ago
Consider the following code example:
yKpoI14uk [10]

Answer:

The number of invoices for each vendor that have a larger balance due than the average balance due for all invoices.

Explanation:

This part of the code below

WHERE InvoiceTotal - PaymentTotal - CreditTotal >

(SELECT AVG (InvoiceTotal - PaymentTotal- CreditTotal)

FROM Invoices)

gives the condition to pick the invoices with balance that are greater than the average balance for all invoice.

This part of the code below

GROUP BY VendorName

ORDER BY BalanceDue DESC;

then enables the program to group the result of the above condition by VendorName and sort the resulting rows in the order of BalanceDue. You will therefore, obtain for each row in the NumberOfInvoices column, the number of invoices for each vendor that have a larger balance due than the average balance due for all invoices.

7 0
3 years ago
Suppose that you are asked to modify the Stack class to add a new operation max() that returns the current maximum of the stack
Advocard [28]

Answer:

Following are the code to the given points:

Explanation:

For point 8.1:

public String max()//defining a method max

{

   String maxVal=null;//defining a string variable that holds a value

   for(int x=0;x<n;x++)

   {

       if(maxVal==null || a[i].compareTo(maxVal)>0)//defining if blok to comare the value

       {

           maxVal=a[i];//holding value in maxVal variable

       }

   }

   return maxVal;//return maxVal variable value

}

For point 8.2:

public void push(String item)//defining a method push that accepts item value in a parameter

{

       a[n]=item;//defining an array to hold item value

       if(n==0 || item.compareTo(maxVals[n-1])>0)//use if to comare item value

       {

               maxVals[n]=item;//holding item value in maxVals variable

       }

       else

       {

               maxVals[n]=maxVals[n-1];//decreasing the maxVals value

       }

       n++;//incrementing n value

}

public String pop()//defining a method pop

{

       return a[--n];//use return value

}

public String max()//defining a method max

{

       return maxVals[n-1];//return max value

}

  • In the first point, the max method is declared that compares the string and returns its max value.
  • In the second point, the push, pop, and max method are declared that works with their respective names like insert, remove and find max and after that, they return its value.
7 0
3 years ago
What is a many-to many types of correspondence?
Ann [662]

Answer:

We have many types of correspondences. There are internal correspondences, external correspondences, sales correspondences, and personalized correspondences. By many to many correspondences we mean, a lot of people correspond with a lot many people from another department, company or market, or any set of people in fact. An internal correspondences, sales correspondences, personalized correspondences or external correspondences can be of many to many types, and as well as of others like one to one, many to one and so on.

Explanation:

Please check the answer.

5 0
3 years ago
To delete a comment, right click the comment and then select the ____ command.
aleksandrvk [35]

delete command is your answer i tink

8 0
3 years ago
Read 2 more answers
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