Before attaching the heat sink, dots of ____ should be applied to the surface of the CPU so that placing the heat sink spreads the paste into a thin layer.

When the arrow on a JComboBox is clicked:

a. an ItemEvent occurs. b. a scrollbar always appears. c. an ActionEvent occurs. d. The JComboBox expands to a list.

You can click the ____ button on the options bar to delete a text entry before committing it.

a. No edits b. Cancel any current edits c. No commit d. Do not commit text edits