31.   The very rapid pace of change in the computer Market does mean that second-hand computers can be excellent value.

32.   Their next computer was a flop.

33.   There could well be a few problems before your new computer is up and running properly.

34.   These computers are incompatible with our present system.

35.   These computers were smaller than the first-generation machines, were cheaper to run, and were much more reliable.

36.   Until now, each parallel computer has been so different that users had to re-write applications every time they changed machines.

37.   Whereas a few years ago a mainframe computer would have been essential to perform corpus processing, a desktop computer now suffices.

38.   Second-hand computers can be excellent value.

39.   Computers are an essential part of modern life.

40.   Even in small companies, computers are an essential tool.