Quiz C++

What is the only function all C++ programs must contain?

• system()

• main()

• start()

• program()

Which of the following is a correct comment?

• ** Comment **

• /* Comment */

• */ Comments */

• { Comment }

The process of creating a new variable without value

• instantiation

• assigning

• naming

• declaration

Which command moves the shown text to the next line?

• \t

• \r

• \n

• \s

After running the following code, determine the value of each of the following arithmetic expressions :

x=10, y =7, z=2;

x + 2 * y – z;

• 82

• 14

• 22

• 12

Evaluate the following expressions to true or false

!((-4.2<3.0) && (10<20))

• True

• False

Which of the following is NOT a comparison operator in C++ language?

• <=

• =

• ==

• >=

... point variables store decimal numbers (3.5, -5,123, 4.0, etc).

• string

• float

• integer

• character

What is the output of this program?

int main()

{

cout<<"I\t LOVE \n\tPROGRAMMING";

return 0;

}

• 
• 
• 
• 

Identify whether these identifiers are valid or invalid.

No_student[3]

• Valid

• Invalid