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Акулинина Т.В. УП Информационные технологии.doc
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XIII. Read and translate the following sentences paying attention to the modal verbs and their equivalents:

1. Information or data can be stored in the computer's memory or storage. 2. An analog computer is able to calculate by using physical analogs of numerical measurements. 3. The first automatic computers could operate at the low speed. 4. Your paper may be published at our Institute. 5. My friend was happy when at last he might work at the computing centre. 6. Our students are allowed to visit the computing centre to see the operation of the computer ES-1045. 7. Every student must know that a digital computer performs reasonable operations. 8. Some operations for this computer have to be changed and new instructions have to be added. 9. The instructions are recorded in the order in which they are to be carried out. 10. You should know the difference between the digital and analog computers. 11. We ought to help him to solve this problem by a personal computer. 12. According to (согласно) the time-table you are to begin your classes at 8 o'clock. 13. Every student of our speciality has to know what a hybrid computer is. 14. We were permitted to attend the conference on cybernetics.

XIV. Find the sentences in which the verbs 'to have' and 'to be' are translated as «должен»:

1. This ordinary adding machine has ten keys for each column of digits. 2. The main task of this article was to show the Results of research work. 3. This personal computer has been constructed at our lab. 4. The lecture was to begin at 9 o'clock. 5. Our aim is to study hard and master our speciality. 6. Our lab assistant has to construct this electronic device (прибор). 7. The general purpose of this unit (block) is to perform different arithmetic operations. 8. The participants of the scientific conference are to arrive tomorrow. 9. You have to remember the names of the scientists who have contributed to the development of your speciality. 10. The results of the experiment have carefully been checked up today.

XV. Translate the following sentences paying attention to 'there + to be':

l. There are many universities and institutes in our country. 2. There is a students' scientific and technical society at our Institute. 3. There are various computers at our computing centre. 4. There were only four faculties in our Institute before the World War II. 5. There will be some engineers at the seminar on programming tomorrow. 6. There is a seminar on the History of our Motherland today. 7. There was a lecture on cybernetics yesterday. 8. There were many ways of solving the problem. 9. There are many complex parts and units in every computer. 10. There will be some new laboratories in our Institute next year.

XVI. State the functions of the Gerund. Translate the sentences:

1. Logical operations consist of comparing, selecting, sorting, matching, and determining. 2. The way of solving this problem is very difficult. 3. After performing calculations a computer displays a result. 4. A set of marks or signs can be stored by polarizing little spots on a magnetic surface. 5. Differentiating and integrating are algebraic operations. 6. Registers are used for storing information. 7. Blaze Pascal's merit consists in his constructing the first mechanical computer. 8. By performing the reasonable operations on a computer we solve different kinds of problems for our national economy.

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