Question 1

How do you initialize an array in C+?

Accepted Answer

int arr[3] = {1,2,3};

Question 2

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

Accepted Answer

array[6];

Question 3

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 4

What is the index number of the last element of an array with 20 elements?

Accepted Answer

19

Question 5

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 6

Which of the following best describes an array?

Accepted Answer

Container of objects of similar types

Question 7

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 8

Which of the following correctly declares an array?

Accepted Answer

double prices[5];

Question 9

Which of the following is NOT true?

Accepted Answer

You can change the array size anytime.

Question 10

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

Accepted Answer

49

Question 11

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

Accepted Answer

columns

Question 12

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 13

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

Accepted Answer

int x[11][13];

Question 14

Which of the following is a two-dimensional array?

Accepted Answer

int myArray [20][20];

Question 15

In an array, int a[3][2], what is the last index value of the column?

Accepted Answer

1

Question 16

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

Accepted Answer

3

Question 17

Which of the following is a two-dimensional array?

Accepted Answer

int myArray2D[8][24];

Question 18

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 19

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

Accepted Answer

4

Question 20

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 8?

Accepted Answer

array [1][2]

Question 21

In a single dimension array, the starting index is always _____________.

Accepted Answer

0

Question 22

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++;

Accepted Answer

90.5 92.5 96.5

Question 23

Which of the following statements is correct?

Accepted Answer

double salary = balance[9];

Question 24

Which of the following statements is correct?

Accepted Answer

double average_grade = (quiz[0]+quiz[1]+quiz[2])/3;

Question 25

Which of the following is correct about arrays?

Accepted Answer

An array size cannot be changed once it is created

To access the Nth element of an array students, used students[n-1] as the starting index is 0

All of the given

Array element values can be changed any numbers of times

Question 26

What are the data types of Arrays?

Accepted Answer

char

double

All of stated data type

int

Question 27

An array starts with ___________

Accepted Answer

0

Question 28

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 29

In the array int x[2][5], how many rows were created?

Accepted Answer

2

Question 30

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

Accepted Answer

6

Question 31

If you will be making a table of values, composed of 3 rows and 5 columns, what would be the array declaration?

Accepted Answer

int a[3][5];

Question 32

A two-dimensional array can be described as:

Accepted Answer

A table of values ?

Question 33

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

Accepted Answer

2 4 6 8

Question 34

An array composed of 6 rows and 2 columns, what would be the array declaration?

Accepted Answer

int a[6][2];

Question 35

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

Accepted Answer

50

Question 36

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

Accepted Answer

3

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