When you ________, you hold down the left mouse button, carry out a task such as highlighting text or moving an object and then release the mouse button at the appropriate time

Which of the following is not a way for providing visual feedback that lets users know something has happened in the application?

a. Using color states, animations, and transitions b. Displaying alert messages or dialogs that users must confirm or acknowledge before making a final decision c. Using Toast messages to provide feedback that does not require important decisions to be confirmed or acknowledged d. Adding fragments to the back stack when performing descendant navigation

A simplified version of a function which is used to test the main program is called

a. A stub b. Abstraction c. Polymorphism d. A driver