C++ Knowledge Based Quiz I = IA

Do while loops

• Runs a statement once

• Runs a statement twice

• Runs a statement multiple times or not within a boolean condition

• Doesn't run at all

iostream

• Displays output from the screen and input from the keyboard

• Has all the math equations

• Counts the time

• Checks if the code has a function

The process of creating a new variable without value

• declaration

• naming

• instantiation

• assigning

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

• start()

• system()

• main()

• program()

What punctuation is used to signal the beginning and end of code blocks?

• -> and <-

• { }

• BEGIN and END

• ( and )

A list of instructions that enable a computer to perform a specific task is a...

• Computer Program

• Algorithm

• Machine Code

• Binary Code

What is the output of this program? Program int main() { cout<<"Hi everybody"; return 0; }

• "Hi everybody"

• Hi everybody"

• Hi everybody

• "Hi everybody

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

• >

• <=

• =

• ==

. 

Choose a right C Statement.

• Loops or Repetition block executes a group of statements repeatedly.

• Loop is usually executed as long as a condition is met.

• Loops usually take advantage of Loop Counter

• All the above.

int main ()

{

int x = 24, y = 39, z = 45;

z = x + y;

y = z - y;

x = z - y;

printf ("%d %d %d", x, y, z);

}

• 24 39 63

• 39 24 63

• 24 39 45

• 39 24 45