Question 1

What is the index number of the last element of an array with 9 elements?

Accepted Answer

8

Question 2

What is the index number of the last element of an array with 100 elements?

Accepted Answer

99

Question 3

In C++, an Array is:

Accepted Answer

All statements describes array

Question 4

What is the output of the following code?

#include <iostream>

using namespace std;

int main()

{

    char grade[] = {'A','B','C'};

    int n = grade[0];

    cout << "GRADE = " << grade[0] << " " << n ;

    return 0;

}

Accepted Answer

GRADE = A 65

Question 5

What will be the output of the following C++ code?

#include <iostream>
using namespace std;
int main()
{
    char str[] = "ABCDE";

    for (int i = 0 ; i<3;i++ )
        {
            cout << str[i];
        }
    return 0;
}

Accepted Answer

ABC

Question 6

Which of the following gives the memory address of the first element in an array?

Accepted Answer

array

Question 7

What is the index number of the last element of an array with 50 elements?

Accepted Answer

49

Question 8

What is the output of the following code?

#include <iostream>

using namespace std;

int main()

{

    int a[] = {1,2,3,4};

    int b[] = {5,6,7,8};

    cout << a[0] << " " << b[0];

    return 0;

}

Accepted Answer

1 5

Question 9

If an array can store 10 values, what would be its last index?

Accepted Answer

9

Question 10

What is the correct array declaration?

Accepted Answer

int arr2[15];

Question 11

In order to have an array with 50 rows and 2 columns, the correct declaration should be:

Accepted Answer

int x[50][2];

Question 12

What is the output of the program?

#include <iostream>
using namespace std;
int main()

{
    int a[2][2] = {{1,2},{3,4}};
    int i, j;
    for (i = 0; i < 2; i++)
        for (j = 0; j < 2; j++)
            cout << a[i][j];
    return 0;
}

Accepted Answer

1234

Question 13

Check the array below:

int array[3][5]

 {
  { 1, 2, 3, 4, 5 }, 
  { 6, 7, 8, 9, 10 }, 
  { 11, 12, 13, 14, 15 } 
};

What’s the index of the array where it contains the value 14?

Accepted Answer

array [2][3]

Question 14

If you are going to create a 10x10 array named myTable, what would be your declaration?

Accepted Answer

int myTable[10][10];

Question 15

In the array is int x[5][6], how many columns were created?

Accepted Answer

6

Question 16

In order to have an array with 11 rows and 13 columns, the correct declaration should be:

Accepted Answer

x[11][13]

Question 17

In the array is int x[4][5], how many columns were created?

Accepted Answer

5

Question 18

In a given array int x[3][4] = {{0,1,2,3}, {4,5,6,7}, {8,9,10,11}}; how many columns are there?

Accepted Answer

4

Question 19

If the array has a syntax of data_type array_name[x][y]; What does x represent?

Accepted Answer

rows

Question 20

If an array myArray = {15, 45, 67, 34, 34}, what statement should you choose to change the 3rd element to 3?

Accepted Answer

myArray[2] = 3;

Question 21

Which of the following accesses the seventh element stored in an array?

Accepted Answer

array[6];

Question 22

What will be the output of the following C++ code?
#include<iostream>
using namespace std;
int main ()
{
int array[] = {0, 2, 4, 6, 7, 5, 3};
int n, result = 0;
for (n = 0; n < 8; n++)
{
result += array[n];
}
cout << result;
return 0;
}

Accepted Answer

27

Question 23

What is the output of the program?
#include <iostream>
using namespace std;
int main()
{
    int myArray[] = {2,4,6,8,10,12};
    for (int i = 0; i<6; i++)
    {
           cout <<  myArray[i] << " ";
    }
}

Accepted Answer

2 4 6 8 10 12

Question 24

What is the output of the program?

#include <iostream>
using namespace std;
int main()
{
    int myArray[] = {1,2,3,4,5,6};

    for (int i = 0; i<6; i++)
    {
           cout <<  myArray[i] << " ";
    }
}

Accepted Answer

1 2 3 4 5 6

Question 25

What is the output of the following code?

#include <iostream>
using namespace std;
int main()
{
    char grade[] = {'A','B','C'};
    cout << "GRADE = " << grade[0];
    return 0;
}

Accepted Answer

GRADE = A

Question 26

Which of the following correctly accesses the seventh element stored in an array named box with 100 elements?

Accepted Answer

box[6];

Question 27

What is the output of the following code?

#include <iostream>
using namespace std;
int main()
{
    double marks[3] = {90.5, 92.5, 96.5};
    int a=0;
    while(a<3)
    {
        cout << marks[a] << " ";
        a++;
    }
    return 0;
}

Accepted Answer

90.5 92.5 96.5

Question 28

In the array is int x[100][50], how many columns were created?

Accepted Answer

50

Question 29

In order to have an array with 2 rows and 1 column, the correct declaration should be:

Accepted Answer

int x[2][1];

Question 30

In the array is int x[3][4], how many columns were created?

Accepted Answer

4

Question 31

Which of the following is a two-dimensional array?

Accepted Answer

int myArray[13][11];

Question 32

What is the output of the given program?

#include <iostream>
using namespace std;
int main()
{
int a[2][2] = {{2,4},{6,8}};
int i, j;
 for (i = 0; i < 2; i++)
        for (j = 0; j < 2; j++)
            cout << a[i][j] << " ";
    return 0;
}

Accepted Answer

2 4 6 8

Question 33

In the array is int x[100][50], how many rows were created?

Accepted Answer

100

Question 34

If the array has a syntax of data_type array_name[x][y]; What does y represent?

Accepted Answer

columns

Question 35

In the array is int x[10][6], how many columns were created?

Accepted Answer

6

Question 36

What is the output of the given program?

#include <iostream>
using namespace std;
int main () {
    int items[3][5] =  
      { {-1, 1, 3, 4, 45},
      {4, 3, 99, 0, 7},
      {3, 2, 66, 94,8}} ;
    cout << items[1][2];
   return 0;
}

Accepted Answer

99

Question 37

Which of the following declares a two-dimensional array?

int array [10];

int array;

int array[2][3];

array(2)(3);

Accepted Answer

int array[2][3];

Question 38

What is the index number of the last element of an array with 29 elements?

Accepted Answer

28

Question 39

What is the output of the program?

#include <iostream>

using namespace std;

int main()

{

    int myArray[] = {1,2,3,4,5};

    for (int i = 0; i<5; i++)

    {

        cout <<  myArray[i] << " ";

        i++;

    }

}

Accepted Answer

1 3 5

Question 40

What is the output of the given code?

#include <iostream>
using namespace std;
int main()
{
    int a[3] = {10,12,14};
    int i=0;
    while(i<3)
    {
        cout <<  a[i] << " ";
        i++;     }
}

Accepted Answer

10 12 14

Question 41

What is the output of the program?

#include <iostream>
using namespace std;
int main()
{
    int myArray[] = {1,2,3,4,5,6};
    for (int i = 0; i<6; i++)
    {
        i++;
        cout <<  myArray[i] << " ";
    }
}

Accepted Answer

2 4 6

Question 42

What is the output of the program?

#include <iostream>
using namespace std;
int main()
{
    int myArray[] = {2,4,6,8,10,12};
    for (int i = 0; i<6; i++)
    {
           cout <<  myArray[i] << " ";
    }
}

Accepted Answer

2 4 6 8 10 12

Question 43

In a given array int x[3][4] = {{0,1,2,3}, {4,5,6,7}, {8,9,10,11}}; what is index of 5?

Accepted Answer

x[1][1]

Question 44

In order to have an array with 5 rows and 10 columns, the correct declaration should be:

Accepted Answer

int x[5][10];

Question 45

Check the array below:

int array[3][5]

 {

  { 1, 2, 3, 4, 5 }, 

  { 6, 7, 8, 9, 10 }, 

  { 11, 12, 13, 14, 15 } 

};

What’s the index of the array where it contains the value 10?

Accepted Answer

array[1][4]

Question 46

What is the output of the program?

#include <iostream>

using namespace std;

int main () {

    int a[5][2] = { {0,0}, {1,2}, {2,4}, {3,6}, {4,8}};

    int sum = a[2][0]+a[1][1];

    cout << sum << endl;

   return 0;

}

Accepted Answer

4

Question 47

#include <iostream>
using namespace std;
int main () {
int items[3][5] =  
{ {0, 1, 3, 4, 45},
{4, 3, 99, 0, 7},
{3, 2, 66, 94,8}} ;
cout << items[1][2];
return 0;
}
What would be the command if you will replace 99 with 13?

Accepted Answer

items[1][2] = 13;

CP2

Module 2 Formative Assessment

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