Quiz PF 1 (W4)

Which of the following data types has the smallest size?

• char

• int

• long

• double

What is the output of the following code snippet?

• A

• B

• AB

• None

Which of the following conditions is equivalent to !(a > b)?

• a < b

• a <= b

• a == b

• a >= b

In C++, what will happen if you do not provide an else block for an if statement?

• Syntax error

• The code inside the if block will not execute

• The program will terminate

• The program will continue to execute the next statements

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

• To execute a block of code if the if condition is false

• To execute a block of code if the if condition is true

• To declare variables

• None of the above

How many else blocks can an if statement have?

• 0

• 1

• 2

• Unlimited

Which of the following is the correct syntax for an else if statement in C++?

• else if (condition) { /* code */ }

• elif (condition) { /* code */ }

• elseif (condition) { /* code */ }

• else (condition) { /* code */ }

Which symbol is used for equality comparison in C++?

• =

• ==

• ===

• :=

What does the if statement in C++ do?

• Iterates a block of code

• Checks a condition and executes a block of code if the condition is true

• Declares variables

• Terminates the program

You are designing a simple weather app. Which of the following if statements would be most appropriate to display "It's cold!" when the temperature is less than 5?

• if (temperature <= 5) cout << "It's cold!";

• if (temperature =< 5) cout << "It's cold!";

• if (temperature < 5) cout << "It's cold!";

• if (temperature => 5) cout << "It's cold!";