Code HS Answers: Lessons 1-20 Complete Test Answered Correctly.

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();
}
2.6.4: The Two Towers
function start(){

move();
turnLeft();