Post-text exercises. I. Give the Ukrainian equivalents for the following English words and word com­binations:

I. Give the Ukrainian equivalents for the following English words and word com­binations:

Consideration, do arithmetic problems, to solve a problem with lightning speed, specific application, displaying the results of calculations, to let, manual methods, being put inside, inventory, development of integrated circuits, solid-state components, reliability, print payroll checks, increase the risk of faults, stores the information in its " memory".

II. Put the words in order:

1. a, a, computer, really, very, counting, kind, is, of, specific, machine. 2. a, supplied, processes, the, computer, information. 3. limitations, of, system, human, liberate, technology, from, the, the, robots. 4. sort, data, the, computers, received. 5. give, remember, a, you, computer, can, information, it. 6. minicomputers, by, have, made, been, possible, of, the, development, circuits, integrated.7. the, input, and, devices, are, called, output, peripherals.

III. Fill in the blanks with the following words and word combinations:

Definition, precision, accuracy, continuous, behaviour, communication channel, signal, codes, meaning

It involves not only written or oral speech, music, etc., but in fact all human.... 2. Sometimes it is desirable to use a still broader... of communication. 3. The technical problem is concerned with the... of transmitting communication symbols. 4. The semantic problem is connected with the... of transmitted symbols conveying the desired meaning. 5. Telephone or radio transmission includes the transmission of one... function of time. 6. The transmitter changes the selected message into the.... 7. The signal is sent over the from the transmitter to the receiver. 8. In telegraphy, the transmitter... written words into sequences of interrupted current of varying lengths. 9. Information must not be confused with...

IV. Complete the following sentences, using active vocabulary:

1. One kind of computer can help us build a spacecraft, another kind of … 2. There are several advanta-ges in making computers as … 3. Sometimes a computer takes so much power that cooling systems which require still more … 4. Minicomputers have been made possible by the development of …

5. … made fewer mistakes and could perform the tasks much faster than almost any number of people using manual methods. 6. We used to think of a computer as a large machine with many buttons and …

V. Which of the following statements are true or false? If the statement is wrong, correct it:

1. A computer can not do arithmetic problems faster than any person alive. 2. A computer can find the answer to a very difficult and complicated problem in e few seconds. 3. The capacity of a computer memory- is the quantity of data that memory until can hold. 4. Some of the first computers cost ten dollars. 5. The bigger the computer the faster it can work. 6. Less power is required to run the computer - it is one of the disadvantages of the work of the computer. 7. A computer can built up of large numbers of similar units of this kind.

VII. Answer the following questions:

1. What is a computer? 2. How many operations does a modern computer perform? 3. What kinds of modern computers do you know? 4. What are the advantages in making the computers as small as one can? 5. How much did the first computers cost? 6. Tell about the essential constituent parts of a general-purpose computer. 7. What does the special-purpose computer mean? 8. What does the general-purpose computer mean?

VIII. Translate the following definitions and memorize the terms:

A byte - is the smallest unit of information, it consists of eight bits.

Input unit- is a section of the computer which accepts information from outside the computer.

The capacity of a computer memory - is the quantity of data that memory until can hold.

A programming - is a process by which a set of instructions is produced for a computer to make it perform specified activity.

A microcomputer –is a tiny processor on a single chip.

A personal computer - is a computer used for home or personal use.

IX. Change the following sentences into Indirect speech. Mind the Sequence of Tenses:

M о d e l: He said: " I shall do this work."

He said that he would do this work.

1. The lecturer pointed out: " Amplification is the ratio of the output voltage to the input signal voltage." 2. The author of the article stated: " High frequency links will be an important port of the world communication system in future. 3. The head of the research laboratory reported: " Our laboratory is developing testing equipment for new communication systems." 4. The examiner asked the student: " What amplifier has only one active element in it? " 5. One of the students asked: " Is it possible to have the ideal gain and phase characteristics over the whole frequency range? " 6. The speaker concluded: " There exist many problems concerning space communication and one of them will be discussed at the next meeting." 7. The teacher asked: " Who knows the difference between a linear and non-linear amplifier? " 8. The laboratory assistant said: " The output signal was distorted." 9. Students were told: " This current amplifier will have a very small input impedance." 10. Students asked the teacher: " What text shall we read after we finish reading Amplifiers'? " 11. He said: " I have finished the work."