question What is the output of printf c A 1

Programming

What is the output of printf("%c", 'A' + 1);?

A. A
B. B
C. 66
D. 67

'A' + 1 results in the ASCII value of 'B'.

What is the purpose of the 'rand' function in C?

A. Generate a random float
B. Generate a random integer
C. Return a fixed value
D. Find the square root

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

A. 20
B. 10
C. 40
D. 5

How do you declare a pointer in C?

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

How do you include a header file in C?

A. #include "file.h"
B. include "file.h"
C. #include
D. include

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

What is the output of printf("%d", ~5);?

A. -6
B. 5
C. 6
D. -5

What is the role of the 'static' keyword in C?

A. Define a constant
B. Declare a variable
C. Create a static function
D. Preserve variable value between function calls

What is the output of printf("%f", 10 / 3);?

A. 3.33
B. 3.0
C. 3
D. 3.333333

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];

What is the output of printf("%c", 65);?

A. A
B. B
C. 65
D. 66