# answering machine blocks quiz answers Create an answering machine on the @boardname@. This is the answer key for the [answering machine quiz](/lessons/answering-machine/quiz). ## 1. Define what `show string` does? Answers may vary. This is a function that will show a string on the LED screen one character at a time (scrolling from left to right). ## 2. Draw which LED is ON after running this code ```blocks basic.showString("Y") ```  ## 3. Draw which LED is ON after running this code ```blocks basic.showString("Hi") ```  ## 4. If the rectangle below represents the @boardname@, write the code to display the letter "Z".  ```blocks basic.showString("Z") ```