Programming > QUESTIONS & ANSWERS > Code HS Answers: Lessons 1-20 Complete Test Answered Correctly (All)
Code HS Answers: Lessons 1-20 Complete Test Answered Correctly. Which is a valid Karel command? move; MOVE move(); move() ✔✔ move(); What is a street in a Karel world? ✔✔ Row ... What is an avenue in a Karel world? ✔✔ 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(); turnLeft(); move(); ✔✔ Street 2 Avenue 6 If Karel is facing North and the code turnLeft(); turnLeft(); runs; which direction is Karel facing now? ✔✔ South How many times should Karel turn left in order to turn right? ✔✔ 3 What can be used to teach Karel to turn right? ✔✔ 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(); } ✔✔ function spin() { turnLeft(); turnLeft(); turnLeft(); turnLeft(); } How many times should the start function be defined in a program? ✔✔ 1 How many times should the start function be called in a program? ✔✔ 0 Why do we use functions in programming? ✔✔ Break down our program into smaller parts Avoid repeating code Make our program more readable What is a top down design? ✔✔ 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 ✔✔ 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? ✔✔ turnAround(); and turnRight(); Why should a programmer indent their code? ✔✔ 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 ✔✔ turnLeft(); makeSide(); function turnRight(){ turnLeft(); turnLeft(); turnLeft(); } turnRight(); makeSide(); function makeSide(){ move(); putBall(); move(); putBall(); move(); putBall(); } goHome(); function goHome(){ turnRight(); move(); putBall(); move(); putBall(); move(); putBall(); turnLeft(); turnLeft(); turnLeft(); move(); move(); move(); turnLeft(); turnLeft(); } 2.5.4: Pancakes with Start ✔✔ function start(){ move(); makePancakes(); move(); move(); makePancakes(); move(); move(); makePancakes(); move(); } function makePancakes(){ putBall(); putBall(); putBall(); } [Show More]
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