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Doss [256]
3 years ago
11

Mary is proofreading an eBook. Sometimes she has to scroll several pages at a time. Which key on the numeric keypad will help he

r scroll down page-wise? The number key____ will help Mary scroll down page-wise.
Computers and Technology
2 answers:
s2008m [1.1K]3 years ago
5 0

Answer:

The correct answer is: Number "3" (PGDN).

Explanation:

The numeric pad of the keyboard has additional functions besides typing the digits printed on it. After pressing the "NumLock" and letting its light go off, some numbers will have direction functions. Number "9" is useful to scroll pages up and number "3" scrolls the page down. Besides, number "8", "2", "4", and "6" move pages up, down, left, and right.

Leto [7]3 years ago
3 0
The number key 2 will help her scroll down.
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The program outputs the following rectangular array:

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This is the correctly formatted C# program:

namespace ConsoleApp1{

   class Program

   {

       static void Main(string[] args)

       {

           int i, j;    // <em>declare index variables used to iterate over the array A</em>

           int [,] A = new int[5,5];   // <em>create a 5 by 5 array</em>

           

           /*<em> Iterate over the array with the index variables i and j</em>

<em>                and initialize each location A[i, j] with the product </em>

<em>                of i and j.</em> */  

           for (i = 0; i < 5; ++i)

           {

               for (j = 0; j < 4; ++j)

               {

                   A[i, j] = i*j;

               }

           }

           

           /* <em>Iterate over the array again. This time, swap locations </em>

<em>                A[i, j] with A[j, i]</em> */

           for (i = 0; i < 5; ++i)

           {

               for (j = 0; j < 4; ++j)

               {

                   if (i < 5)

                   {

                       A[j, i] = A[i, j];

                   }

                   else

                       break;

                   

                   // <em>display the current location A[i, j]</em>

                   Console.Write(A[i, j] + " ");

                   

               }

               /* <em>print a newline to prepare for the next line of printing</em>

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               Console.WriteLine();

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               Console.ReadLine();

               

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           }

       }

   }

When executed, this program simply prints a rectangular array like so;

0 0 0 0

0 1  2 3

0 2 4 6

0 3 6 9

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Learn more about predicting program output here: brainly.com/question/20259194

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