
Arrays and Pointers in C
Authored by Karen Tan
Computers
University
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
What is the syntax for declaring an array in C?
array_name = [array_size];
array_name = data_type[array_size];
array_name[array_size] = data_type;
data_type array_name[array_size];
2.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
What is the syntax for declaring a pointer in C?
int ptr;
ptr = int;
int *ptr();
int *ptr;
3.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
How is pointer arithmetic performed in C?
By dividing the pointer by an integer value
By multiplying the pointer with an integer value
By adding or subtracting an integer value to/from a pointer
By performing bitwise operations on the pointer
4.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
What is the difference between array and pointer in C?
Arrays are a fixed-size collection of elements, while pointers are variables that store memory addresses.
Arrays cannot be passed as arguments to functions, while pointers can
Arrays can only store integers, while pointers can store any data type
Arrays and pointers are the same thing
5.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Explain the concept of passing an array to a function in C.
Passing an array to a function in C only allows access to the first element of the array
Passing an array to a function in C allows the function to work with the elements of the array.
Passing an array to a function in C is not possible
Passing an array to a function in C allows the function to modify the size of the array
6.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
How can you dynamically allocate memory for an array using pointers in C?
Use the 'realloc' function
Use the 'malloc' function
Use the 'free' function
Use the 'calloc' function
7.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
What is the purpose of the 'const' keyword in C?
To declare a constant variable that cannot be modified
To declare a variable that can only be modified within a specific function
To declare a variable that can be modified by any function
To declare a variable that can be modified by any other variable
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