AI Helps You Understand Functions

End-of-lesson check

15 questions · take it digitally for instant feedback at tendril.neural-forge.io/learn/quiz/end-explorers-ai-coding-AI-and-functions

1. What is a function in code?

   1. A type of computer game
   2. A reusable set of instructions that does a specific task
   3. A picture that shows on the screen
   4. A mistake that stops code from working

2. Why is a function compared to a recipe card?

   1. Both only work on tablet computers
   2. Both are only used once and then thrown away
   3. Both contain a set of instructions you can follow again and again
   4. Both require special cooking equipment to work

3. What does it mean to 'call' a function?

   1. To ask the computer to run the function's instructions
   2. To phone the function on a telephone
   3. To delete the function from the program
   4. To turn the function into a picture

4. If you have a function called 'sayHi()', what might it do?

   1. Make the computer say hello out loud
   2. Show a picture of a tiger
   3. Print or display the words 'hello' or 'hi'
   4. Delete all your files

5. What is the result of the function call 'addNumbers(3, 4)'?

   1. It returns the word 'three four'
   2. It returns the number 12
   3. It returns the number 7
   4. It deletes the numbers 3 and 4

6. Why do programmers use functions?

   1. To create more bugs on purpose
   2. To make their programs run slower
   3. To avoid writing the same code multiple times
   4. To hide their code from everyone

7. What would a function called 'cheer()' that prints 'Yay!' three times do?

   1. Display 'Yay! Yay! Yay!' on the screen
   2. Display 'Yay!' 100 times
   3. Not display anything at all
   4. Display 'Yay!' one time

8. If a function is like a peanut butter sandwich recipe, what is calling that function like?

   1. Writing a new recipe
   2. Making the sandwich using the recipe
   3. Throwing the recipe away
   4. Reading the recipe out loud

9. What makes a function different from regular code that isn't in a function?

   1. A function only works on one specific computer
   2. A function only works on certain days
   3. A function can be used any time you need it without rewriting it
   4. A function must be typed in every time you use it

10. What would happen if you called the same function five times in a program?

    1. The program would crash
    2. The function would be deleted
    3. The function's instructions would run five separate times
    4. The function would change each time

11. Which of these is the BEST description of a function?

    1. An error message that appears when code breaks
    2. A type of computer hardware
    3. A colorful picture on a website
    4. A reusable mini-program that does one specific job

12. What does the '()' after a function name like 'sayHi()' tell you?

    1. That this is a function being called or defined
    2. That the code has an error
    3. That the function name is finished
    4. That the function has been deleted

13. If you needed to say 'hello' in ten different places in your program, why would a function help?

    1. You'd have to type 'hello' ten times anyway
    2. You'd write the greeting code once and call the function ten times
    3. You'd need ten different computers
    4. You'd have to rewrite the greeting each time

14. What is an AI helper in the context of learning to code?

    1. A computer that replaces the programmer
    2. A game where you talk to artificial characters
    3. A tool that explains code concepts in simple ways
    4. A robot that writes all your code for you

15. Why is 'addNumbers(3, 4)' called with numbers inside the parentheses?

    1. To tell the computer to add more numbers later
    2. To give the function the numbers it needs to work with
    3. To delete the function
    4. To make the function stop working