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10. Match the words with an opposite meaning.

1. unplug

2. inside

3. switch off

4. input

5. send

6. connect

a) output

b) plug in

c) receive

d) outside

e) switch on

f) disconnect

11. Complete the sentences with the words and expressions from the box.

circuits and devices

some advice

wrong instructions

directories

fiddle with

more slowly

1. Necessary files on the hard disk are organized into different ….. .

2. ‘Computer error’ means that the computer was given the ….. .

3. Hardware, the computer’s machinery, includes all the electronic...… inside a computer.

4. If you need ….. , most computer manufacturers have a helpline you can call.

5. Never ….. electronic devices yourselves if you do not understand a problem. Read a manual or call a helpline.

6. If a hard disk gets too full with files your computer starts working ….. .

12. Make sentences from the following words beginning with the word in bold.

1. does / error / computer / What / mean? / usually

2. attempt / electronics. / shouldn’t / with / yourself / to fiddle / You

3. computer / its / The / brain / processing / of / is / unit. / the

4. simple / If / problems. / can / follow / you / avoid / instructions / a lot of / you

13. Complete the table with a suitable part of speech.

noun

adjective

verb

1

informative

2

3

4

organize

storage

5

6

7

programmable

8

development

9

10

11

12

simplify

Grammar. Past Simple.

We use Past Simple to talk about actions which finished at some definite moment in the past. Past Simple is often used when we tell stories or talk about several actions happened one after the other.

  1. Last year my family moved to Moscow, where my dad found a well-paid job.

  2. When we came home, we were so tired that we went straight to bed.

14. Choose the words from the box and put them into Past Simple form to complete the sentences.

not work find phone decide leave write

finish find manage can’t not be need be

  1. After graduating from the university Barbara … a job in an international company.

  2. Yesterday we … home very early, because we … to be at school an hour before the lessons.

  3. When he was a lecturer in our faculty he … a lot of articles for scientific journals.

  4. The experiment … very successful and we … the research much earlier.

  5. The printer … work so I … give in my course paper today.

  6. She … him yesterday but he … at home.

  7. First they … to stay at home in summer, but later they … a cheap tour and left for Italy.

  8. He … to repair his notebook by himself.

15. Write 8-10 sentences about what you did or didn’t do yesterday.

Language Study. Relative Clauses

We can link two and more sentences with the help of which, who, that, where. Usually this relative clause is an essential part of the sentence. But sometimes it contains information that is not essential to the sentence. Relative clauses that carry inessential information are separated from the rest of the sentence by commas.

  1. We bought a computer which was made in Japan. (essential information)

  2. My friend studies in the university where his dad studied many years ago. (essential information)

  3. Our new lecturer, who is a famous professor, is quite young. (inessential information)