Dеclarе and allocatе mеmory (on thе hеap) for a two-dimеnsional array of strings namеd carmakеs with 20 rows, еach with 6 columns

string ** carMakes=new string*[20];  

   for(int i=0;i<20;i++)

   {

       carMakes[i]=new string[6];

   }

Explanation:

The above written piece of code is in C++ and it will declare and allocate memory on the heap for a 2-D array of strings with the number of rows 20 and number of columns 6 with name of the array carMakes.

To declare a 2-D array in C++ we use new keyword.

d. local area network (lan)

explanation:

a local area network (lan) is a collection of computers it connected to one another or to a common connection medium.

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