question What is the output of printf s Hello 1

Programming

What is the output of printf("%s", "Hello" + 1);?

A. Hello
B. ello
C. H
D. e

"Hello" + 1 points to the second character, resulting in "ello".

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("%f", 10 / 3);?

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

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

A. Tokenize a string
B. Compare strings
C. Concatenate strings
D. Copy strings

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

How do you declare a structure in C?

A. struct myStruct;
B. struct = myStruct;
C. myStruct struct;
D. struct myStruct { };

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

A. Declare a volatile variable
B. Indicate an unstable function
C. Declare a constant variable
D. Indicate a variable that can change unexpectedly

How do you declare a global variable in C?

A. global var;
B. int global;
C. extern int global;
D. static global;

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

A. Search for a character in a string
B. Search for a string in another string
C. Compare strings
D. Concatenate strings

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;

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