
C++ Arrays Quiz
Authored by Инаят Нургали
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University
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60 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an array in C++?
A collection of elements of the same type stored in contiguous memory locations
A single variable that holds multiple values of different types
A function that performs calculations
A keyword for declaring variables
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you declare an integer array of size 5 in C++?
int array[5];
array
int array = {5};
int array[];
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the index of the first element in an array?
0
1
-1
Depends on the array size
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What will happen if you access an array index that is out of bounds?
Undefined behavior
The program will crash
It will return 0 by default
Compiler error
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a valid array declaration?
double data[] = new double[5];
int arr[5];
float numbers[10];
char str[20];
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement correctly initializes an array?
int arr[3] = {1, 2, 3};
int arr = {1, 2, 3};
arr[3] = {1, 2, 3};
int arr[3]; arr = {1, 2, 3};
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What will be the output of the following code? int arr[] = {10, 20, 30, 40}; cout << arr[2];
30
10
20
40
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