Introduction to C++ 2024/25

What is the correct syntax for an if statement in C++?

• if x > 5 {}

• if (x > 5) {}

• if x > 5 then {}

• if {x > 5}

Which of the following is a valid declaration of an integer variable in C++?

• int 1 number;

• number int;

• int number;

• number : int;

Which of the following is the correct way to read an integer from user input using cin?

• cin >> int userInput;

• int userInput;

  cin << userInput;

• int userInput;

  cin >> userInput;

• userInput = cin;

What data type would you use to store a single character in C++?

• string

• char

• int

• double

What will the following code display?

• "x is greater than 5"

• "x is not greater than 5"

• "x is greater than 10"

• None of the above

Which C++ logical operator is used for logical AND?

• &&

• ||

• !

• &

What is the purpose of the "else if" statement in C++?

• To declare variables

• To create a nested if

• To specify an alternative condition to be tested

• To end a program

What is the correct way of checking if something is less than or equal to:

• if(x>=10)

• if(x=<10)

• if(x<&&=10)

• if(x<=10)

Which of the following correctly represents a floating-point variable?

• float pi = 3.14;

• float pi = "3.14";

• int pi = 3.14;

• float 3.14 = pi;

What will the following code print if y is set to 0?

if(y) { cout << "True"; }

else { cout << "False"; }

• True

• False

• 0

• Nothing