Лекция: Ex. 13. Put special questions. Begin with the question-words given in brackets.

The computer is testing its basic units now. [What?]
We were solving the algebraic problem all the evening yesterday. [How long?]
Now, more and more companies are using the Internet to conduct their business. [Why?]
Our teacher will be speaking on the history of computers at the tomorrow's lecture [What?]
Many TV companies are converting to digital broadcasting now. [What broadcasting?]
The computer was performing arithmetic operations when you switched it off. [What operations?]
Software developers are expecting a boom in games played over the Internet. [What?]
It was already 9 p.m. but the experts were workingstill to restore the files. [Why?]

Ex. 14. INDEFINITE or CONTINUOUS? Use the verbs in the required tense form.

1. Our programmer [to write] a new computer program now. Do not disturb him!

2. I always [to use] a calculator to work out percentages.

3. The temperature remained constant while pressure [to change] in the experiment.

4. I [to delete] that whole file by mistake.

5. At the next seminar, we [to discuss] the difference between analog and digital computers.

6. Wait a little! The computer program [to search] the database. Bingo! We have a match.

7. A mouse [to have] a wire that [to connect] it with a computer.

8. My computer crashed when I [to write] my essay. I [to lose] all my work!

9. Just a moment! I [to print] a copy of the document for you.

10. Computer hacker [to be] someone who secretly [to use] or [to change] the information in other people's computer systems.

11. He [discuss] the bugs in software with his teacher when we came.