1.   To make the computer work at full capacity, the programmer has to think like the machine.

2.   This computer works at a much faster processing speed than my old one.

3.   My computer is working slow.

4.   Employees see anti-virus software, firewalls and IT departments as guarantees that their computers will work and will be safe.

5.   This more or less guarantees that all CD-ROMs, players and computers will work together.

6.   Some people fondly believe that chess-playing computers work by internally trying out all possible combinations of chess moves.

7.   You will also learn to find your way round the computer keyboard, and how to use computers when working with words, numbers and pictures.

8.   Allen said her computer works great and was developed cheaply.

9.   Along the way, parents and children will gain a great deal of practical knowledge about how computers really work.