Code.org Coding Lessons 4-6

Two different functions in a program could contain the same code (accomplish the same task)

• True
• False

Which of the following is true regarding naming functions? 

• Function names can be reused multiple times
• A function name should be as descriptive as possible to indicate what the function does.
• Function names should be organized alphabetically
• The function name should begin with a number that indicates the order in which it should be executed.

What is the correct format to define a function?

Note: The name of the Function is "multiplyBy2"

• multiplyBy2();

• function multiplyBy2(){

  //steps to execute function

  }

• function multiplyBy2

• multiplyBy2{5}{

  //steps of function

  }

What is the correct way to call the function called "doMath" with a parameter of 5?

• doMath(5);
• function doMath(5);
• doMath();
• doMath{5};

Which of the following commands will move the turtle forward one unit?

• move
• move;
• move();
• move()

What makes the following command invalid: turnleft();

• It should end in a colon rather than a semicolon

• The letter l should be capitalized - L

• It should start with a capital T

• The command is correct

Why do we use functions in programs?

• A. Make the program easier to read

• B. Avoid retyping the same lines of code

• C. Both A and B are correct

• D. Neither A nor B are correct

In this code, how many times is the "dance" function called and how many times is it defined?

• called 1 time, defined 1 time

• called 1 time, defined 3 times

• called 3 times, defined 1 time

• called 3 times, defined 3 times

How do you call a function in JavaScript?
(assume the function name is doStuff)

• function doStuff()
• doStuff()
• doStuff();
• function do Stuff(){
  //list of steps to execute
  }

Which of the following is an example of abstraction?

• Writing a function for code you repeat often
• Using logic symbols like < and >
• Numbers are converted from one base to another
• There is an error in the code