CodeHS Unit 1

Front

What is a condition in Karel programming?

Back

A method that returns a true or false answer. Typically used within a control structure.

Front

How can we teach Karel new commands? Options: Define a new function, A for loop, A while loop, The run method

Back

Define a new function

Front

Why does a programmer indent their code? Options: Helps show the structure of the code, Easier for other people to understand, A key part of good programming style!, All of the above

Back

All of the above

Front

Which of these is a valid Karel command in JavaScript?

• MOVE
• move();
• move()
• move;

Back

move();

Front

Which of these is a valid Karel command in Java? Options: turnLeft();, turnleft();, turnLeft(), TurnLeft

Back

turnLeft();

Front

What is a function in Karel?

Back

A function is a command that Karel can do. It has a name and a set of instructions.

Front

What is top down design?

Back

Top down design is a way of designing your program by starting with the biggest problem and breaking it down into smaller and smaller pieces that are easier to solve.

Front

If Karel is not on a tennis ball, and all directions around are clear, what will happen when running this code? Options: Karel will not do anything, Karel will go into an infinite loop, Karel will put down a tennis ball, Karel will turn left once

Back

Karel will go into an infinite loop

Front

Which control structure would you use to have Karel put down 300 tennis balls? Options: A nested while loop, A while loop, A for loop, An if statement

Back

A for loop

Front

Which control structure would you use to have Karel pick up all tennis balls in a location without knowing the number of balls? Options: An if/else statement, A while loop, A for loop, An if statement.

Back

A while loop