Many popular programs, such as Napster, often scan for open ports.

When you restart, the program should scan your disk.

One way to accomplish this is to make the program scan every line in the output image pixel-by-pixel from left to right.

These programs scan Internet content for pornography, hate speech, violence or other material deemed inappropriate.

The program is scanning our entire system-accessing whatever files it can get into!

This Windows-based program scans a hard drive for images, which it imports to a virtual album.

One program developed by the company scans the hard drive and creates a word list of everything typed by the user.

So the program scans the picture line by line, and sees whether adjacent pixels are the same color.

Such programs also scan new disks and programs to prevent future infections.

The program can scan appointments and send reminders of coming events.