1.  Boot sector viruses reach your computer from an infected floppy disk.

2.  By Friday, it reached the computers of Condit and Boeing President Harry Stonecipher.

3.  Richard Harada, a marketing manager at the Panasonic Communications and Systems Co. who lived through that history, suggested DVD would reach computers far faster.

4.  The DVD format will reach computers in December and soon afterward, the DVD drive, or slot, will be part of every PC.

5.  The effect is a relatively steady sound and movement of images as fragments of the files reach the computer and are processed.

6.  But once the information reaches computers in Mexico City, it moves across the wires within minutes.

7.  Experts say that in the Microsoft case, the hackers probably then gradually worked their way through the corporate network until they reached the computers with the source codes.