Codehs Boolean Expression and If Statements

What are the boolean operators in programming?

• AND (&), OR (||), and NOT (~)

• AND (&&), OR (||), and NOT (!)

• AND (&&), OR (|), and NOT (~)

• AND (&), OR (|), and NOT (~)

What is a logical expression?

• A logical expression is a statement that can only be evaluated as true.

• A logical expression is a statement that can only be evaluated as false.

• A logical expression is a statement that can be evaluated as both true and false.

• A logical expression is a statement or combination of statements that can be evaluated as either true or false.

What is the purpose of boolean operators?

• Boolean operators are used to combine or modify boolean expressions.

• Boolean operators are used to manipulate arrays.

• Boolean operators are used to compare strings.

• Boolean operators are used to perform mathematical calculations.

How do you combine multiple boolean expressions using logical operators?

• Using comparison operators such as <, >, and =.

• Using arithmetic operators such as +, -, and *.

• Using bitwise operators such as &, |, and ~.

• Using logical operators such as AND (&&), OR (||), and NOT (!)

What is the result of a logical expression?

• integer

• boolean

• string

• float

What happens if the condition in an if statement is true?

• The code block inside the if statement will be executed.

• The code block inside the if statement will be skipped.

• The code block inside the else statement will be executed.

• The code block inside the if statement will not be executed.

What happens if the condition in an if statement is false?

• The code block inside the if statement will throw an error.

• The code block inside the if statement will be repeated.

• The code block inside the if statement will be skipped.

• The code block inside the if statement will still be executed.

What is the purpose of an else statement in an if-else statement?

• To execute the code in the if statement

• To terminate the program

• To skip the code in the if statement

• To provide an alternative set of instructions when the condition in the if statement is false.