PCs are produced by this company

1. B. Pascal built an adding machine in 1642.

2. The scientists were carrying out an important experiment when the power was suddenly cut off.

3. He said that he had never received the fax from us.

4. Any computer performs four basic arithmetic operations.

5. He is typing the list of new students now.

6. We will place the + sign between these numerals.

7. John was installing the new electronic game on the computer when the boss suddenly came into the office.

8. Software instructs the hardware how to conduct operations and in what order.

9. I have erased some temporary files from the hard disk.

10. The famous Russian scientist M. V. Lomonosov compiled a lot of calculating tables.

11. The participants of the conference were discussing the problems of artificial intelligence during the yesterday's sitting.

12. Wait, please! The program is analyzing the registry now; this might take several minutes.

Ex. 13. Translate the sentences. Define the tense / voice form of the italicized predicates.

1. My hard disk has crashed and I have lost that 5,000-word report.

2. By 1989, 32-bit microprocessors containing 1.2 million transistors and capable of executing 20 million instructions per second had been introduced.

3. Some months ago, a newspaper reported that five British banks were being held to ransom [to hold smb. to ransom – требовать выкуп] by a gang of hackers who had managed tobreak into their computers. The hackers were demanding money in return for revealing how they did it.

4. On their latest laptops, passwords have been replaced with fingerprint recognition.

5. E-commerce has completely changed the way we buy goods and services.

6. Zip file is a computer file that has been compressed so that it is easier to store and move.

7. According to the government's plans, the analog television signal will have been switched off in Russia by 2010. By this year, analog television will have been completely replaced by digital one.

8. All the newspapers reported that the Pentagon's security system had been broken into by unknown hackers last night.

Ex. 14. Use the verb in the required tense/voice form. Translate the sentences.

1. Error message [ to appear – Present Indefinite Active]on a computer screen if you [ to do – Present Perfect Active]something wrong or if the program cannot do what you [ to want – Present Indefinite Active] it to do.

2. A few journalists [ to allow – Past Perfect Passive] to view the film before it [ to go – Past Indefinite Active] on general release.

3. The installed base (парк установленного оборудования) [ to be – Present Indefinite Active] the total number of computers that [ to sell – Present Perfect Passive] and [ to use / still – Present Continuous Passive] by customers.

4. Blaise Pascal [ to be – Past Indefinite Active]one of the greatest scientists, the world [ to know / ever – Past Perfect Active].

5. Great improvements [ to make – Present Perfect Passive] in the memory system of a computer since the invention of the first calculator.

6. Bill Gates was barely 20 years old but he [ to run / already – Past Continuous Active] his own company.

7. E-mail [ to become – Present Perfect Active] a key part of the communications networks of most modern offices.

8. Water [ to get – Past Perfect Active] into the printer, and now it [ to be – Past Indefinite Active] absolutely useless.

9. When free electrons [ to pass – Present Continuous Active] through a conductor, an electric current [ to generate – Present Continuous Passive].

10. The World Wide Web is the system on the Internet that [ to allow – Present Indefinite Active] you to find and use information that [ to store – Present Indefinite Passive] on computers all over the world.

11. The first electronic computer ENIAC [ to develop – Past Continuous Passive]in the University of Pennsylvania from 1942 to 1946. It [ to be – Past Indefinite Active]the fastest among the calculators, which [ to design – Past Perfect Passive] by that time.

12. The computer automatically [ to delete – Present Indefinite Active] any files that you [ not / to save – Present Perfect Active].

Ex. 15. Indefinite, Continuous or Perfect? Active or Passive? Use the verb in the required tense and voice form. Translate the sentences.

1. The Toyota Co. to decide (recently) to spend $800 million a year on the development of the new electric automobile.

2. The floppies to introduce by IBM in 1972 and to use (still) as storage devices.

3. As digital computers to count quickly, they to use (widely) in business data processing.

4. Since 1982, the audio CDs to become the dominant format for Hi-Fi recorded music.

5. In 1981, only 213 computers to connect to the Internet. By 2000, their number to increase up to 216 million.

6. The leading companies to invest (now) in high-tech technologies and computer engineering.

7. Because of the accident at the hydroelectric station, the power to cut off in the whole city last night. Electric energy to restore (already) to 100 000 homes.

8. The new computer-controlled robot to test under various conditions all month long.

9. I to send him an email two weeks ago, but I not / to receive anything back yet.

10. By 1984, Microsoft to license [давать разрешение на использование] MS-DOS to 200 PC manufacturers, making MS-DOS the standard operating system for PCs.

11. Word processors usually to offer a choice of different fonts.

12. The time, date, and location of the conference to announce in advance.