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 Analog Computer
- installation - to increase - efficiency - concept - regard - value - quantity - to obtain - measurement - application - accuracy - variable - deal
The computer is a universal information processing machine. The installation of computers in certain organizations has already greatly increased the efficiency of these organizations. Computers are a million times faster than humans in performing computing operations. Analogue and digital computers are now widely used in many fields. The two types of computers differ in fundamental concept. The analogue machine may be variables are represented in the machine by physical quantity and the results is obtained by the measurement of another quantity. Analogue computers are usually designed for one application, although some machines can be adapted to a range of problems by changing interconnections between their various units. The analogue machine, although limited by the accuracy, can deal with continuous variables. Analogue computation is applied to solving the behavior of a system. Some kind of analogue computation enables the engineer to obtain approximate solutions to his problems with a speed and ease. The accuracy of operation of an analogue computer is much below that of a digital computer, but there are several compensating advantages. Apart from cases that include simulation with actual components, any mechanical, electrical, biological or even economic system dynamics involving motion or variation in time may be studied.
- Today computer have changed… - Computers can predict tomorrow’s… - They are a great help to… - Computers can do maney things we dot but… - Computer is a multifunctional…
- I have just finished secondary school and I want to work at a factory. + That is a very good idea. You may learn to be an operator of the electronic computers like myself. It is a very good profession. - What can you tell me about the factory where you work? + Our factory is very big. It is equipped with modern machines. - It must be very pleasant to work at such a factory. + Certainly it is. - What are your wages? ( How much do you earn?) + My wages are rather high. I'm a qualified operator of the electronic computers. - Please tell me, what do you do after working hours? Have you time for the cinema, theatre or concerts? + Of course, I have. I go to the theatre on my days off. I like music very much and I often go to concerts. Besides I study English. - Do you know English well already? + No, I can't say that I do. But I try to study it regularly and I hope that soon I shall be able to speak English well. ^ Instruction, software, accept, permanent, hardware, memory, process, feed, integrated, digital, device, electronic, mechanical, print, store, storage, configuration, keyboard, count, input, central, influential, physical, disk drive. ^ To solve the problem, to keep inside the computer, the result of the processing, to feed into the computer's memory, to run the program, to see the results on the screen, to make up a computer system, to execute program instructions, to coordinate the activities, inside the computer's memory, to perform calculations, information in the form of data, programs known as software, mechanical parts known as hardware, mechanical way of dividing, the first calculating device. Exercise 7. Make up all possible questions to the sentences.
Exercise 8. Write these sentences in the Past and Future Indefinite.
Ex. Put the Infinitives in the Simple, Progressive or Perfect Tenses in the Active Voice. Translate the sentences into Ukrainian:
10. They (to write) a program for the computer by the end of the month. 11. I (to compile) a program for two hours when the lecturer came into the laboratory.
Before the design (to be) ready, they (to work) on it for 3 hours. Ex. 2. Choose the correct form of the verb: 1.They (explained, were explained) how to solve this problem on the computer. 2.The sequence of reasonable operations (has been performed, has performed) by the computer. 3. These digits (are multiplied, multiply) easily.
6. Many books on computers (had been translated, had translated) into Ukrainian by the end of the last year. 7. By means of instruction any computer (will tell, will be told) what operations to perform. 8. Your scientific article 'An educated man and the computer' (will have been published, will publish) by the end of the year. Ex. 3. Find the sentences in which the verbs 'to have' and 'to be' are translated as мати, бути повинним: 1.The general purpose of this unit is to perform different arith-Kgietic operations. 2. The students of our Institute have at their disposal the computing centre. 3. This personal computer has been constructed at our lab. 4. The lecture was to begin at 9 o'clock.
Ex. 4. Say what you can do with the help of the computer. Use the following expressions: to take in information or data, to perform a sequence of reasonable operations, to put out information, to store information, to display the answers, to keep records of financial affairs, to do weather forecasting, to process data. Ex. 5. Insert modal verbs can, may, must, should or their equivalents in the necessary tense-form:
puter is. Ex. 6. Put questions to the words in bold type:
Ex. Translate into English. 1. Деякі компанії не виробляють і не продають комп'ютери., а здають їх в оренду.
Ех. 12. a) Make a speech in favour of modern electronic equipment (personal computers, electronic printing aids). Why can't a modern enterprise do without them? b) You are the Head of a firm producing computers. Advertise your product. Ex.16. Put who, that, which, or preposition, + which in the following sentences, where necessary 1. Thank you for your letter you enquired about our products. 2. Your statement of account, we received yester- day, appears to have a number of errors , refer to items we did not order. 3.1 would like to speak to Mr. Newland, phoned me earlier, concerning our account, he says it has not been cleared. 4. The cheque you sent us has now been cleared. 5. Would you please clear your balance has been outstanding since February. 6. You need to contact the person deals with foreign transactions. Ex. W. Translate into English.
Ex. 18. Give synonyms to the words in bold type:
3. A digital computer computes by using numbers or digits. 4. A hybrid computer is a machine, which combines some of the properties of digital and analogue computers. 5. Computer is a data storage system created by man. 6. Computer is a million times faster than humans in performing computing operations. |
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