CODE HS ANSWERS: LESSONS 1-20|100% verified

CODE HS ANSWERS: LESSONS 1-20 Which is a valid Karel command? move; MOVE move (); move () CORRECT ANSWER move (); What is a street in a Karel world? CORRECT ANSWER Row What is an avenue in a Karel world? CORRECT ANSWER Column If Karel starts at Street 1 and Avenue 3 facing East, what street (row) and avenue (column) will Karel be on after this code runs? move (); move (); move (); turn Left (); move (); CORRECT ANSWER Street 2 Avenue 6 If Karel is facing North and the code turnLeft(); turnLeft(); runs; which direction is Karel facing now? CORRECT ANSWER South How many times should Karel turn left in order to turn right? CORRECT ANSWER 3 What can be used to teach Karel to turn right? CORRECT ANSWER functions Which function will teach Karel how to spin in a circle one time? function spin() { turnRight(); } function spin() { turnLeft(); turnLeft(); turnLeft(); turnLeft(); } function spin() { turnLeft(); turnLeft(); } function spin() { move(); move(); move(); move(); } CORRECT ANSWER function spin() { turnLeft(); turnLeft(); turnLeft(); turnLeft(); } How many times should the start function be defined in a program? CORRECT ANSWER 1 How many times should the start function be called in a program? CORRECT ANSWER 0 Why do we use functions in programming? CORRECT ANSWER Break down our program into smaller parts Avoid repeating code Make our program more readable What is a top down design? CORRECT ANSWER 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. What is a code comment CORRECT ANSWER A way to give notes to the reader to explain what your code is doing What commands does SuperKarel know that regular Karel does not? CORRECT ANSWER turnAround(); and turnRight(); Why should a programmer indent their code? CORRECT ANSWER Helps show the structure of the code Easier for other people to understand Indenting is a key part of good programming style 2.4.7 Building a Shelter Code CORRECT ANSWER turnLeft(); makeSide(); function turnRight(){ turnLeft(); turnLeft(); turnLeft(); } turnRight(); makeSide();