6. Chose the appropriate form of the words to complete the sentences.

reliably, rely on, reliable, reliability

1.Computers are _______ machines.

2. If you don’t know the meaning of a computer term, you cannot always ______ an all-purpose dictionary for the answer.

3. Computers can do mathematical operations quickly and ______ .

expression, express, expressed

1. An ______ such as ’He or she has a computer for a brain” means that he or she is a fast-thinking person.

2. Computers understand commands ____ in the form of 0 and 1.

design, designed, designer, designing

1. Due to the advances in computer technology, computer _____ are faced with more challenging job.

2. Computers are ____ to process information accurately and quickly.

3. Computer architects are constantly trying to improve on the _____ of computers.

requirement, require, requiring, required

1. One of the _______ of a good computer programmer is to have a logical mind.

2. Our university ______foreign students to take a proficiency exam in the English language before registering for a computer science degree.

3. Students wishing to major in computer science are _____to know how the computer operates.

development, develop, developed, developing, developer

1. In 1960, the second generation of computers was _____.

2. The future will bring great ______ in the mechanical devices associated with computer systems.

3. _____the chip made it possible for minicomputers to be invented.

7. Arrange the following in pairs of:

1. Synonyms

• plenty, to design, to carry out, trusted, to abandon, exact, to require, to assist , complicated

• reliable, need, a lot of, to perform, precise, difficult, to help, to leave, to develop

b) Antonyms

• pure, raw, sophisticated

• processed, simple, applied

8. Here are the descriptions of some words. Match them up to the given titles.

to express, to improve, circuit, research, cybernetics, to restrict, digit, to require, device, to obtain

a) an object or a machine which has been invented to fulfill a particular purpose;

b) an electric device that provides a path for electric current to flow;

c) one of the elements that forms a system of numeration;

d) a field of science concerned with communication and control;

e) need or make necessary

f) to get smth, esp. by working for it or producing it from something else

g) to show (a feeling, opinion or fact)

h) to limit smth and reduce its size

i) to make or become better

j) investigation

9. Fill in the gaps with the proper word: to obtain, to require,

to abandon, to improve, to express, reason, raw

1. She ...ed her husband and children and went off with another man.

2. The only way to … my French was by living in France for a while.

3. Congress is considering measures to ... the sale of cigarettes.

4. I prefer to eat vegetables …, not cooked.

5. A multimedia computer ...s at least a 200MB hard drive.

6. This algorithm might not be successful for two …s.

7. First editions of these books are now almost impossible to... .

8. This relationship could be …ed in the form of a diagram.

9. In the second experiment they ...ed a very clear result.

10. Her health has …ed dramatically since last month.

11. Resolving the mystery will ... more detailed investigation.

12. The … for the disaster was engine failure, not human error.

13. When the rebel troops arrived, the village had already been ...ed.

14. This view was …ed by N.

15. Working here ...s you to have a sense of humour.

16. Coal and oil are important … materials for the manufacture of plastic.

17. New experimental data were ...ed independently at three laboratories.

18. They had to ... their attempt to climb the mountain.

19. Further research is urgently ... before conclusions can be made.

20. In the second experiment they …ed a very clear result.

21. A multimedia computer …s at least a 200MB hard drive.