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

In C++, an Array is:

Accepted Answer

Array is a collection of elements of the same type placed in contiguous memory locations that can be individually referenced by using an index to a unique identifier

Question 4

A one dimensional array is also known as ___________________.

Accepted Answer

Single Dimension Array

Question 5

What is the correct array declaration?

Accepted Answer

int arr2 [15];

Question 6

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

Accepted Answer

28

Question 7

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 8

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

Accepted Answer

COLUMNS

Question 9

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 10

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 11

Which of the following statements is correct?

Accepted Answer

double salary = balance [9];

Question 12

Which of the following correctly declares an array?

Accepted Answer

float prices [3];

Question 13

Which of the following correctly declares an array?

Accepted Answer

double prices [5];

Question 14

A series of elements of the same type placed in contiguous memory locations that can be individually referenced by adding an index to a unique identifier.

Accepted Answer

Array

Question 15

. 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 16

If an array can store 100 values, what would be the first index?

Accepted Answer

0

Question 17

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

Accepted Answer

19

Question 18

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

Accepted Answer

6

Question 19

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 20

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 21

Which of the following is a two-dimensional array?

Accepted Answer

int myArray [20][20]

Question 22

Which of the following is a two-dimensional array?

Accepted Answer

int myArray[13][11];

Question 23

In the array is int x[15][8], how many rows were created?

Accepted Answer

15

Question 24

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 25

It is an array that consists of more than one row and more than one column.

Accepted Answer

2-Dimensional Array

Question 26

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 27

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 28

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 29

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

Accepted Answer

3

Question 30

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 3

Question 31

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

Accepted Answer

int x[11][13];

Question 32

It refers to a table of rows and columns

Accepted Answer

Matrix

Question 33

What would be the output of the following code?
#include <iostream>
using namespace std;
int main()
{
    int myArray[] = {10,12,14,5,4};
    int i=0;
    while(i<3)
    {
        cout <<  myArray[i] << " ";
        i++; 
    } }

Accepted Answer

10 12 14

Question 34

What is the correct definition of an array?

Accepted Answer

What is the correct definition of an array?

Question 35

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 36

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

Accepted Answer

x [0][3];

Question 37

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

1 2 3 4

Question 38

A one-dimensional array most resembles what type of structure?

Accepted Answer

A single row of data

Question 39

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

Accepted Answer

0

Question 40

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

Accepted Answer

49

Question 41

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

Accepted Answer

int a [3][3];

Question 42

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

Accepted Answer

x [1][3];

Question 43

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

Accepted Answer

int myTable[10][10];

Question 44

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

Accepted Answer

1 2 3

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 12?

Accepted Answer

Array [2][1]

Question 46

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

Accepted Answer

100

Question 47

Which of the following best describes an array?

Accepted Answer

Container of objects of similar types

Question 48

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

Accepted Answer

box [6];

Question 49

In order to have an array with 2 rows and 9 columns, the correct declaration should be:

Accepted Answer

int x [2][9];

Question 50

In the array is int x[13][11], how many columns were created?

Accepted Answer

11

Question 51

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

Accepted Answer

6

Question 52

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

Accepted Answer

8

Question 53

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 54

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 55

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

Accepted Answer

int x [50][2];

Question 56

What are the data types of Arrays?

a. int, b. double, c. All of stated data type, d. char

Accepted Answer

All of stated data type

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COMPROG MODULE 2