Вправа 2 Розкрийте дужки, вживаючи відповідний час дієслова
1. Why some people (like) shopping online? 2. How we (call) the most powerful mainframes? 3. Since 1997 there (be) a high-tech revolution in China. 4. The real power of a computer (lie) in the speed with which it (check) these switches anywhere. 5. Supercomputers (revolutionize) the design of aircraft and automobiles. 6. This key (not / have) a fixed function. 7. Occasionally a computer (freeze). 8. Someone (access) his files yesterday as he (choose) a simple password. 9. Hackers (steal) confidential information from the database last week. 10. Commonly she (use) C++ and JavaScript. 11. They already (buy) a computer? 12. At the moment we (develop) a Web – based project. 13. She (need) a computer for writing letters. 14. This key (not / move) the cursor down. It (move) the cursor up. 15. How long he (be) in charge of the IT department? 16. I think computers (replace) bus drivers in future. 17. This (not / mean) that the field of computers is clear of evil. 18. In 1969 there (be) a network of just four mainframe computers. By 1972 the number (rise) to forty. 19. How long you (test) this program? 20. My friend just (adjust) his monitor.
Вправа 3 Відкрийте дужки, використовуючи Passive Voice
1. Two graphic techniques … (require) to prepare images for four-color printing. 2. When a negative image of the red component … (produce), the resulting image represents the cyan component of the image. 3. On top of that surface, the label print … (apply). 4. The precursor to GUIs … (invent) by researchers at the Stanford Research Institute. 5. A GUI, as the primary interface, … (use) for the Xerox Alto computer. 6. GUIs … (introduce) in reaction to the steep learning curve of command line interfaces. 7. A Compact Disc … (use) to store digital data. 8. A Compact Disc … originally … (develop) for storing digital audio. 9. In 1988, 400 million CDs … (manufacture) by 50 pressing plants around the world. 10. In June 1985, the CD-ROM (read-only memory) and, in 1990, CD-Recordable … (introduce), also developed by Sony and Philips.