Write a GUI application that creates a single window containing one button— whose label is Change— in the north position. Set the background color to red initially. Each time a user clicks the button, change the background color from red to white, from white to blue, or from blue to red.

Which of the following types of queries would you use to remove duplicate values from a table?

A) Select B) Find unmatched C) Find duplicates D) Crosstab

Which of the following is a type of malware that isn't self-replicating and is usually installed by the user without his knowledge. It's primary goal is to invade your privacy by monitoring your system and reporting your activities to advertisers and spammers.

A. rootkit B. Trojan C. hoax virus D. spyware