question How do you declare a two dimensional array in C

Programming

How do you declare a two-dimensional array in C?

A. int arr[][];
B. int arr[];
C. int arr[][] = new int[];
D. int arr[][3];

'int arr[][3];' declares a two-dimensional array in C.

What is the output of printf("%d", 5 + 3 * 2);?

A. 16
B. 11
C. 10
D. 13

What is the output of printf("%d", sizeof(1.5));?

A. 4
B. 8
C. 2
D. 1

How do you use the 'const' keyword with a pointer in C?

A. const *ptr;
B. *const ptr;
C. const ptr;
D. const int *ptr;

How do you declare a constant integer in C?

A. int constant = 5;
B. constant int = 5;
C. const int constant = 5;
D. int constant(5);

What is the purpose of the 'typedef' keyword in C?

A. Create a new data type
B. Define a variable
C. Declare a function
D. Include a header file

What does the 'exit()' function do in C?

A. Close a file
B. Terminate the program
C. Return from a function
D. Print a message

What is the format specifier for printing a float in C?

A. %f
B. %d
C. %s
D. %c

Which header file is needed for file input and output operations in C?

A. stdlib.h
B. string.h
C. stdio.h
D. math.h

Which function is used to read a character from the standard input in C?

A. read()
B. getchar()
C. getc()
D. scanf()

What is the purpose of the 'sizeof' operator in C?

A. Returns size of a variable
B. Returns ASCII value
C. Returns the memory address
D. Returns pointer size