Plug-and-play is a part of the ________ operating system

What is the purpose of User Account Control in Windows Vista and Windows 7?

a. To make system security more visible to the user. b. To provide the user with visual feedback indicating he or she is modifying dangerous parts of the system c. To annoy the user d. To prevent application on the system from running with escalated privileges without the user's approval

____________________ are hard drives that use flash memory chips instead of magnetic disks.

Fill in the blank(s) with the appropriate word(s).