question How do you declare a global variable in C

Programming

How do you declare a global variable in C?

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

'extern' is used to declare a global variable in C.

What is the purpose of the 'break' statement in a switch statement?

A. Exit the program
B. Skip to the next case
C. Exit the loop
D. Terminate the switch statement

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 create an object of a class in Java?

A. Object obj = new Object();
B. class obj = new class();
C. Object obj = createObject();
D. obj = createObject();

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

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

Which method is used to read data from the keyboard in Java?

A. read()
B. input()
C. System.in.read()
D. Scanner.next()

How do you define a macro in C?

A. #define MACRO_NAME()
B. define MACRO_NAME():
C. #macro MACRO_NAME
D. #define MACRO_NAME value

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

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

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

In C, how do you declare a constant?

A. const
B. constant
C. Const
D. #define

What does the 'printf' function do in C?

A. Print format
B. Print function
C. Print file
D. Print formatted output