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-Dominant- [34]
4 years ago
14

You have informed your users that you need to bring the machine down at the end of the day to perform routine maintenance. Howev

er, prior to shutting the system down, you want to give users fifteen minutes to save data and exit the system. In this lab, your task is to shut the machine down and warn your users as follows:______
A. Use a 15-minute delay before shutting down.
B. Use It is time for a shutdown! as a message to all logged-in users.
Computers and Technology
1 answer:
PSYCHO15rus [73]4 years ago
8 0

Answer:

shutdown -h +15 It is time for a shutdown!

Explanation:

In a work environment where there is an admin and users connected to the server when the admin wants to Give a 15-minute delay to allow users enough time to save their work data and logout from the system. the command above shuts down after 15 minutes delay and notifies the user with "It is time to shut down!".

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Select the correct answer.
vovangra [49]

Answer:

B.

Learn from both successful and unsuccessful logos.

8 0
3 years ago
ppose we have a Rectangle class that includes length and width attributes, of type int, both set by the constructor. Define an e
vichka [17]

Answer:

Check the explanation

Explanation:

#include <bits/stdc++.h>

using namespace std;

class Rectangle{

  public:

      int length;

      int breadth;

      Rectangle(int l,int b){

          length = l;

          breadth = b;

      }

      int area(){

          return length*breadth;

      }

      int perimeter(){

          return 2*(length+breadth);

      }

      bool equals(Rectangle* r){

          // They have the exact same length and width.

          if (r->length == length && r->breadth == breadth)

              return true;

          // They have the same area

          if (r->area() == area())

              return true;

          // They have the same perimeter

          if (r->perimeter() == perimeter())

              return true;

          // They have the same shape-that is, they are similar.

          if (r->length/length == r->breadth/breadth)

              return true;

          return false;

      }

};

int main(){

  Rectangle *r_1 = new Rectangle(6,3);

  Rectangle *r_2 = new Rectangle(3,6);

  cout << r_1->equals(r_2) << endl;

  return 0;

}

8 0
3 years ago
A software is made from​
andriy [413]

Answer:

Two or more languages are used for making one particular software.

5 0
3 years ago
Write a static method named anglePairs that accepts three angles (integers), measured in degrees, as parameters and returns whet
padilas [110]

Answer:

The java program for the scenario is given below.  

import java.util.*;

public class Test

{

// method returning sum of all digits in the integer parameter

static boolean anglePairs(int a1, int a2, int a3)

{

   // variable to hold sum of two complementary angles

   int comp=90;  

   // variable to hold sum of two supplementary angles

   int supp=180;

   // boolean variable to hold result

   boolean result = false;

   if( (a1+a2 == comp) || (a2+a3 == comp) || (a1+a3 == comp) )

   {

       if( (a1+a2 == supp) || (a2+a3 == supp) || (a1+a3 == supp) )

           result = true;

       else

           result = false;

   }    

           // return variable result

       return result;

}

public static void main(String[] args)

{

   // method is called by passing three positive angles

   System.out.println("The pair of angles have both complementary and supplementary angles " + anglePairs(100, 80, 90) );    

}

}

OUTPUT

The pair of angles have both complementary and supplementary angles false

Explanation:

The program works as described below.

1. The method, anglePairs(), is declared as static having return type as Boolean which takes three positive integer parameters.

static boolean anglePairs(int a1, int a2, int a3)

{

}

2. The integer variable, comp, is declared and initialized to 90.

3. The integer variable, supp, is declared and initialized to 180.

4. The Boolean variable, result, is declared and initialized to false.

5. Using if-else statements, sum of two angles are compared with the variables, comp and supp.

6. If the sum of any two angles match with both, comp and supp, variables, the Boolean variable, result is assigned value true. Otherwise, result is assigned value false.

7. The value of result is returned.

8. Inside main() method, the function anglePairs() is called and three positive numerical values are passed as parameters.  The output is displayed.

9. All the above code is written inside the class Test.

10. User input is not taken since it is not mentioned in the question.

8 0
3 years ago
Which of the following statements expresses why the following code is considered bad form? for (rate = 5; years-- &gt; 0; System
OlgaM077 [116]

Answer:

l and ll only that is the answer

7 0
3 years ago
Read 2 more answers
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