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

What is the output of the following code? cout << "Hello World!"

• Hello World!

• cout

• Error

Which of the following are C++ keywords for data types?

• bool

• loop

• double

• char

What is the output of the following C++ code?

int x = 5;

x += 3;

x *= 2;

cout << x;

• 10

• 13

• 16

• 18

Based on figure above, determine the CORRECT answer after the execution.

• 4 4

• 4 5

• 5 4

• 5 5

Type of variable that stores texts.

• double

• int

• string

• float

Which of the following is a correct way to declare a variable in C++?

• int x = 5;

• int = x 5;

• x int = 5;

• declare int x = 5;

What will be the output of following?

int x = 3.56;

    cout << x << endl;

• 3.56

• 3

• 3.560000

• 3.56000

2.      Which of the following is a correct way to comment a single line in C++ programming?

• // This is a comment

• /* This is a comment */

• # This is a comment

____ is a valid char value.

• '1'

• "1"

• "129"

• 129