Complete the following sentences

1. What can be touched in a computer (the machine, the keyoard, the screen ...) is the .
2. What cannot be touched in a computer (the programs, the data ...) is the .
3. An integrated circuit is usually simply called a .
4. The heart of the computer (like Pentium 4 or Athlon ... ) is the .
5. In mathematics, we use 10 digits (0, 1, 2, 3, ...9) to count. This notation is called .
6. Conversely, computers use 2 digits only (0 and 1). This notation is called .
7. Binary digit is abbreviated as .
8. A group of 8 binary digits makes an or .
9. The exact number of bytes in a kilobyte is .
10. The computer stores its data into some form of .
11. To interact with the user, the central unit of the computer is linked to various .
12. The unit which shows/displays data is called the .
13. The unit which prints out data is called the .
14. The most common unit used to enter data is the .
15. If a user wants to process a picture, he needs a .
16. To link the computer to the phone network, he will need a .
17. This word is the abbreviation of .
18. The use of computers in general is called .
19. The use of computers in the office is called .
20. The use of robots linked with computers is called .