CSF 2.10 Conditionals

What is a "bug" in programming?

• A mistake in a program.

• A type of insect that interferes with computers.

• A feature that makes a program run faster.

• A command that tells Karel to move.

What is the primary purpose of conditionals in programming?

• To create visual animations.

• To ask questions that return a true or false answer.

• To define new commands for Karel.

• To repeat a block of code multiple times.

Which of the following is NOT a Karel conditional?

• front_is_clear()

• balls_present()

• turn_right()

• facing_north()

When does the code inside an if statement execute?

• Always, regardless of the condition.

• Only if the condition is true.

• Only if the condition is false.

• After a loop has finished.

What punctuation mark is used at the end of the 'if condition' line in an if statement?

• Semicolon (;)

• Period (.)

• Comma (,)

• Colon (:)

In an if statement, how is the code that should be executed if the condition is true typically formatted?

• It is placed on the same line as the if condition.

• It is indented one level.

• It is enclosed in curly braces {}.

• It is preceded by a hashtag (#).

Why are parentheses used after front_is_clear in if front_is_clear(): move()?

• To indicate it's a variable.

• To make the code easier to read.

• Because front_is_clear is a function being called.

• To signify the end of the statement.

What happens if Karel tries to move() when its front is blocked?

• Karel turns left automatically.

• Karel picks up a ball.

• Karel crashes into a wall and gives an error statement.

• Karel waits for the path to clear.