1. More sophisticated device is needed to produce results that are more accurate.
2. It is easier to divide by 10 than by 12.
3. The smallest hard disk can store much more information than 100 floppies and its access is faster.
4. Microsoft’s Windows operating system for PCs is the most common operating system in the world.
5. With the help of computers, teachers can make their lessons more creative and interesting.
6. The best inventions are the simplest and most obvious.
7. Thanks to the radio, it is possible to communicate with the remotest parts of the world.
8. In the past, COBOL was the most important programming language for business use.
9. Although there are now more modern and rapid means of transport, railways remain the safest and most popular form of transport.
10. With DVD, you can watch the latest movies in the comfort of your own home.
11. Today's personal computer is 400 times faster than ENIAC (the first digital computer), 3,000 times lighter and several millions dollars cheaper.
12. The sun is perhaps the least expensive energy source we have.