C++ Developer - Multi-Dimensional Arrays
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Information Technology (IT), Architecture
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University
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Practice Problem
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Easy
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a common use case for 2D arrays in programming?
Storing a list of names
Representing a chess board
Managing a collection of functions
Holding a single integer value
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you declare a 2D array with 2 rows and 3 columns in C?
int myNums[2][3];
int myNums[3][2];
int myNums[3,2];
int myNums[2,3];
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What value is printed when accessing the element at row 0, column 2 in the initialized 2D array?
1
2
4
3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct way to change the value at row 1, column 0 from 4 to 14?
myNums[0][1] = 14;
myNums[1][0] = 14;
myNums[1][1] = 14;
myNums[0][0] = 14;
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens if you try to access an index out of bounds in a 2D array?
The program will ignore the operation
The program will crash
The program will print a warning
The program will access a random memory location
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which loop runs more frequently in a nested loop structure used to iterate over a 2D array?
The outer loop
The inner loop
Both loops run equally
Neither loop runs
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using nested loops when working with 2D arrays?
To access and modify elements
To declare the array
To initialize the array
To iterate over rows and columns
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