
C Programming Challenge for Kids
Quiz
•
Others
•
1st Grade
•
Hard
Kaustubh Pandey
Used 1+ times
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a pointer in C?
A pointer is a variable that stores a string in C.
A pointer is a variable that holds the address of another variable in C.
A pointer is a special kind of loop in C.
A pointer is a type of function in C.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you declare a pointer variable?
pointer int ptr;
int ptr;
int *ptr;
*int ptr;
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the 'malloc' function?
To free up memory after use.
To initialize variables at compile time.
To read data from a file.
To allocate memory dynamically during runtime.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you free dynamically allocated memory?
Use 'free(pointer)' for malloc/calloc/realloc and 'delete pointer' for new.
Invoke 'clear(pointer)' to release memory
Call 'remove(pointer)' for new allocations
Use 'dispose(pointer)' for malloc/calloc/realloc
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the difference between 'fopen' and 'fclose'?
'fopen' is used for reading data; 'fclose' is used for writing data.
'fopen' creates a new file; 'fclose' deletes a file.
'fopen' opens a file; 'fclose' closes a file.
'fopen' checks if a file exists; 'fclose' renames a file.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you read data from a file in C?
Use getFile() to access the file and print its contents.
Open the file with open() and read using readLine().
Use read() to read the entire file at once.
Use fopen() to open the file, fscanf() or fgets() to read data, and fclose() to close the file.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a structure in C?
A structure in C is a way to define constants.
A structure in C is a function that performs calculations.
A structure in C is a built-in data type for integers.
A structure in C is a user-defined data type that groups different data types together.
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