
2D Array in C++ Quiz
Quiz
•
Information Technology (IT)
•
6th Grade
•
Practice Problem
•
Easy
Salma Ghoneim
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is a 2D array in C++?
An array of functions
An array of strings
An array of arrays
A pointer to a pointer
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How do you declare a 2D array with 3 rows and 4 columns of integers?
int arr[3,4];
int arr(3,4);
int arr[3][4];
int arr{3}{4};
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the index of the first element in a 2D array?
[0][1]
[1][0]
[0][0]
[1][1]
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following correctly accesses the element in the second row and third column?
arr[2][3]
arr[1][2]
arr[3][2]
arr[2][1]
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which loop structure is commonly used to traverse a 2D array?
Single for loop
While loop
Nested for loops
Switch case
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If int arr[2][3] = { {1, 2, 3}, {4, 5, 6} }; what is the value of arr[1][2]?
3
4
5
6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the output of the following code? int arr[2][2] = { {1, 2}, {3, 4} }; cout << arr[0][1];
1
2
3
4
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