When a sound file is selected, the Audio Tools Playback tab appears on the status bar.

After applying a set of OS patches, a systems administrator finds that, on reboot, a server hangs with a blinking cursor after the system POST. Which of the following should the administrator do FIRST?

A. Attempt to reload the master boot record B. Replace the boot drive, and reinstall the OS C. Restore the server from backup D. Clone the boot drive to another hard drive

When mathematicians use a two-dimensional array, they often call it a ____ or a table.

A. vector B. matrix C. square D. grid