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11. I’ve often at hotels. A) remained B) rested C) stayed D) passed 12. I didn’t know what to do but then an idea suddenly to me. A) happened B) entered C) occurred D) hit 13. When they arrived at the crossroads, he went the wrong . A) way B) direction C) route D) street 14. Your work has been so we’re going to give you a rise in salary. A) regular B) well C) satisfactory D) available 15. That’s the best horse in the . A) career B) run C) rate D) race 16. The weather says it will rain tomorrow. A) provision B) forecast C) advertisement D) advise 17. There are a lot of mistakes in this exercise. I’ll have to it again with you. A) come though B) go over C) repass D) instruct 18. If there are no buses, we’ll have to take a taxi. We must get there . A) somehow or other B) somewhere or other C) on one way or another D) anyway or other 19. I read, the more I understand. A) The more B) So much C) How much D) For how much 20. he does his work, I don’t mind what time he arrives at the office. A) So far as B) So long as C) In case D) Meanwhile 21. entering the hall, he found everyone waiting for him. A) At B) While C) On D) In 22. It’s years a picture. A) that I don’t paint B) that I didn’t paint C) since I painted D) ago I painted 23. I found the first question . A) to be easy B) the easy C) that it was easy D) easy 24. an empty seat at the back of the bus. A) She happened to find B) She happened to meet C) It happened her that she found D) It happened her 25. It was raining, was a pity. A) what B) that C) the which D) which 26. Your car is mine. A) the same that B) as C) similar to D) alike 27. I’m going away for a . A) holiday of a week B) week holiday C) holiday week D) week’s holiday 29. Why ? It’s not very important. A) to worry B) worry C) you are worried D) you worry 30. I don’t like at me. A) them shouting B) them shout C) their shout D) that they shout

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1. What is a computer? Что такое компьютер?

A computer is a machine with an intricate network of electronic circuits that operate switches or magnetize tiny metal cores.

2. Каковы два возможных состояния переключателей?

The switches, like the cores, are capable of being in one or two possible states, that is, on or off; magnetized or demagnetized.

3. Каковы основные функции компьютера?

The machine is capable of storing and manipulating numbers, letters, and characters (symbols).

4. Каким образом мы можем сделать с компьютером то, что мы хотим?

The basic idea of a computer is that we can make the machine do what we want by inputting signals that turn certain switches on and turn others off, or magnetize or do not magnetize the cores.

5. Какова основная задача компьютера?

The basic job of computers is processing of information.

6. В какой форме компьютер принимает информацию?

Computers can be defined as devices which accept information in the form of instructions, called a program, and characters, called data, perform mathematical and / or logical operations on the information, and then supply results of these operations.

7. Что такое программа? Information in the form of instructions is called a program.

8. Что такое data? Information in the form of characters is called data.

9. Что такое память?

The program, or part of it, which tells the computers what to do and the data, which provide the information needed to solve the problem, are kept inside the computer in a place called memory.

10. Какие три основные возможности имеют компьютеры?

Most computers, whether large or small, have three basic capabilities: first, computers have circuits for performing arithmetic operations, such as: addition, subtraction, division, multiplication and exponentiation. Second, computers have a means of communicating with the user.

Third, inputting information using terminals, diskettes, disks and magnetic tapes.

11. Каковы ввода информации в компьютер? The computer's input device is a disk drive (or tape drive).

12. Какова функция ввода устройства? It reads the information into the computer.

13. Какие устройства используются для вывода информации? For outputting information two common devices used are: a printer, printing the new information on paper, and a cathode-ray-tube display, which shows the results on a tv-like screen. Third, computers have circuits which can make decisions.

14. Какие решения может принимать компьютер?

The kinds of decisions which computer circuits can make are three things, namely: is one number less than another? are two numbers equal? and, is one number greater than another? A computer can solve a series of problems and make thousands of logical decisions without becoming tired.

15. Чем достижения компьютера ограничены?A computer can replace people in dull, routine tasks, but it works according to the instructions given to it. Its achievements are limited by the minds of human beings. A computer cannot do anything unless a person tells it what to do and gives it the necessary information

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