1. These command delete files from the directory.
2. The computer industry is develop on a great speed nowadays.
3. A maximum storage capacity of the PC hard disk are 1.4 megabyte.
4. The data are processed now and soon we will has the results.
5. The computer can to arrange the word into alphabetical order.
6. During the late 1950s, computers were being putted into serial production at our country.
7. Nick is being typing its essay now.
8. The computer does arithmetic problems million times more fast than any person do.
9. Which the database program are you use?
10. You can exchange messages with other people in Internet, especially in a chat room.