11.   Computers replace mechanical adding machines.

12.   Every time he enters a library, he wonders whether he will violate probation because computers have replaced paper card catalogs.

13.   Government downsizing has even meant more business for some technology companies, as computers replace federal workers.

14.   His keynote address Tuesday is expected to be one that forecasts that networked computers will replace stand-alone desktop machines.

15.   In some new subdivisions, computers have replaced the old model home.

16.   Many users maintain that, even if computers do not replace print media, they still will attract the cleverest of people, who will associate via the Internet.

17.   Most of those machines, men and women have been replaced by computers that click quietly, like mice skittering across a linoleum floor.

18.   No one expects DNA computers to replace laptops or other computers based on silicon.

19.   No one, though, expects the computer to replace travel agents completely.

20.   Some workers will be replaced by computers, but some computers will be replaced by plastic bins and colored flags.