Ex. 10 Rewrite the sentences using Passive Voice

1. Did she use the Internet to email her tutor? 2. They use anti-virus programs to detect and remove viruses. 3. The user can carry around a handheld computer. 4. These electronic machines processed information very efficiently. 5. Who teaches programming at this college? 6. They usually place banners on popular sites. 7. They did a lot of research in the mid-1970s to develop better computer languages. 8. He repaired the scanner yesterday. 9. She is showing them new models of printers now. 10. The Intel Corporation designed the main processing chip. 11. When did they send the first e–mail? 12. These electronic machines will process information very efficiently. 13. A group of logic circuits control this process. 14. What type of program do they use? 15. Junior programmers often code instructions in a programming language. 16. We can store data in the computer memory. 17. Computer has performed the sequence of reasonable operations.18. When did you break this device? 19. Pascal and Leibnitz designed mechanical calculators in the seventeenth century. 20. We classify the personal computers according to their opportunity, as household and professional.

Ex. 11 Rewrite the sentences using Passive Voice

1. Do many workers use computers at your office? 2. People use professional computers in concrete professional sphere. 3. He hadn’t repaired the printer by the time his boss arrived. 4. Did they explain you how to solve this problem on a computer? 5. They developed C++ from the C language. 6. They use a printer to print the computer output on paper. 7. The user saw the computer in action. 8. We are redesigning our website at the moment. 9. When did Popov invent the radio? 10. You can launch the desired program or document by double-clicking the icon. 11. Kate is choosing a new scanner at the moment. 12. They made this processor in South Korea. 13. A lot of children use computers nowadays. 14. Who developed the first personal computer? 15. You must follow these instructions very carefully.

Ex. 12 Rewrite the sentences using Passive Voice

1. Some computer companies don’t sell these computers in stores. 2. Who usually tests the programs? 3. A computer keeps the information in its memory until it is needed. 4. They sell mobile phones and accessories all over the world. 5. We can pass these savings onto the consumer. 6. Freddy badly designed his home webpage. 7. A computer virus has damaged this program. 8. You cannot type letters in a DTP program. 9. He will download this program using the Internet. 10. They are making copies of songs from the Internet. 11. They used C++ to produce the Microsoft Windows operating systems. 12. They will type this text using a word processor.

Ex. 13 Open the brackets using 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.