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4. Answer the questions:

1) What is a computer? 2) What are the two possible states of the switches? 3) What are the main functions of a computer? 4) In what way can we make the computer do what we want? 5) What is the basic task of a computer? 6) In what form does a computer accept information? 7) What is a program? 8) What are data? 9) What is memory? 10) What three basic capabilities have computers? 11) What are the ways of inputting informa­tion into the computer? 12) What is the function of an input device? 13) What devices are used for outputting information? 14) What decisions can the computer make? 15) What are the computer's achievements limited by?

5. Find as quickly as possible and read out the sentences containing the following important information:

  • definitions of a computer

  • methods of inputting information

  • methods of outputting information

*6. Try to tell the gist of the text.

Word Study

1. Give Ukrainian equivalents of the following.

Addition, subtraction, division, multiplication and exponentiation, have many remarkable pow­ers, input device, a cathode-ray-tube, characters called data, perform mathematical operations, information in the form of instructions, an intricate network of elec­tronic circuits, by inputting signals, possible states, to read the information, operate switches, switch off, storing numbers, switch on, processing of information, supply results, provide the information needed, basic capabilities, a means of communicating with the user, a disk drive, outputting information, make thousands of logical decisions, to make decisions, find the solution to a problem.

2. Give English equivalents of the following.

Складна сітка електронних ланцюгів; керувати (приво­дити в дію) перемикачами; можливі стани; зберігати (запам’ятовувати) числа; обробляти числа; за допомогою вводу сигналів; вмикати; вимикати; обробка інформації; інформація у вигляді команд; символи, які називають даними; виконувати математичні дії; видавати результати; забезпечувати необхідну інформацію; мати чудові можливості; основні властивості; додавання, віднімання, ділення, множення; піднесення до степеня; засоби для спілкування з користувачем; пристрій вводу; дисковод; зчитувати інформацію; вивід інформації; катодно-променева трубка; приймати рішення; виконувати тисячі логічних операцій; без втоми; знаходити вирішення завдання.

3. Match the words in a with their synonyms in b:

А intricate В command

to store to decide

to manipulate to turn on

to make decision to turn off

to switch on to conduct

to switch off to handle

to operate complex

instruction to conserve

4. Fill in the gaps with the words from Vocabulary Notes in the appropriate form.

Instructions / to operate / storing / inputting / manipulating / outputting / input device / a cathode-ray-tube display / instantaneously

1) The computer is capable of … and … numbers, letters, and characters. 2) We can make the ma­chine do what we want by … signals. 3) Computers can be defined as devices which accept information in the form of … called a program. 4) The computer's disk drive or tape drive reads the information into the computer and is called … . 5) For … information two common devices used are: a printer and … , which shows the results on a TV-like screen. 6) There are times when a computer seems … like a mechanical brain. 7) A computer can carry out great numbers of arithmetic-logical operations almost … .

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