41.  The class is intended to demystify the process of using a computer.

42.  Over time, Kelley has learned to move her fingers enough to use a computer and to get around daily with the help of a wheelchair.

43.  US critics opposed to the sale had said that the computer could be used to design nuclear weapons.

44.  There is an even cheaper method of starting to use computers for a wide variety of tasks.

45.  The benefits of using computers in engineering applications is very substantial indeed in terms of reliability, cost and ease of use.

46.  Automated cartography, or digital mapping, is the process of storing, editing and generating maps using a computer.

47.  Nowadays computers are used extensively in X-ray analysis.

48.  On a large contract one of the most cost effective methods of calculating the total cost of disruption is to use a computer.

49.  He used the computer to establish correlations.

50.  The ability to use computers to sort, process and retrieve information and to present information in forms appropriate to a particular purpose and audience.