1.   A virus had infected the entire computer network.

2.   And despite the rickety infrastructure, computer networks are growing fast.

3.   Encryption technology is seen as a prerequisite for widespread commercial use of computer networks.

4.   He said bank tellers had been notified of the problem by early Tuesday afternoon through an internal computer network.

5.   Instead, a user dials into the Internet worldwide computer network and uses software and data that are stored there.

6.   It will have a newly upgraded computer network and a stronger customer-service unit.

7.   Many predict that electronic commerce will propel global computer networks from the fringe into the core of business.

8.   On-line debate discussion groups also will take place on the Internet, the global computer network.

9.   Once, the computer network was viewed as a means of sharing expensive equipment.