Suppose you are designing a touch$-$screen interface for a movie$-$rental kiosk in a supermarket. You want to provide the ability for the user to search for a movie and then provide information on the cost. Which of the following would be the most effective way to improve search performance?

Suppose you are designing a touch$-$screen interface for a movie$-$rental kiosk in a supermarket. You want to provide the ability for the user to search for a movie and then provide information on the cost. Which of the following would be the most effective way to improve search performance?

After each letter is typed in$,$ update a browse$-$able list of movies whose names are consistent with the input the user has typed in so far

In order to reduce misspelling errors, after each letter the user types in$,$ provide a dialog box confirming that the user meant to touch that letter

Provide the ability for complex abbreviations, macros and shortcuts so that the search time can be reduced for the user