On the task bar at the bottom of the desktop screen, click the ________ button to display the Libraries window.

A ________ point is a file in which all your computer system settings are stored

Fill in the blank(s) with correct word

Which of the following kinds of malware is a malicious mobile app that uses a variety of fraudulent schemes to charge unsuspecting users for premium messaging services?

A. trojan horse B. rootkit C. worm D. toll fraud