Просмотрите текст еще раз. дайте ответы на вопросы, используя информацию текста. 1. what represents the functional organization of a computer? 2. what can we get by studying the functional organization? 3. what is the function of the input device? 4. what does mem ory serve for? 5. what is the task of the arithmetic-logical unit? 6. what is the function of the output? 7. what is the main pur pose of the control unit? 8. how do all units of the computer communicate with each other? 9. what is the additional job of the input? 10. what is the additional function of the output? вот сам текст: as we know, all computer operations can be grouped into five functional categories. the method in which these five functional categories are related to one another represents the functional organization of a digital computer. by studying the functional organization, a broad view of the computer is received. the five major functional units of a digital computer are: 1) input— to insert outside information into the machine; 2) storage or memory — to store information and make it avail able at the appropriate time; 3) arithmetic-logical unit — to perform the calculations; 4) output — to remove data from the machine to the outside world and 5) control unit — to cause all parts of a computer to act as a team. figure 5 shows how the five functional units of the computer act together. a complete set of instructions and data are usually fed through the input equipment to the memory where they are stored. each instruction is then fed to the control unit. the control unit interprets the instructions and issues commands to the other functional units to cause operations to be performed on the data. arithmetic operations are performed in the arithmetic-logical unit, and the results are then fed back to the memогу. information may be fed from either the arithmetic unit or the memory through the output equipment to the outside world. the five units of the computer must communicate with each other. they can do this by means of a machine language which uses a code composed of combinations of electric pulses. these pulse combinations are usually represented by zeros and ones, where the one may be a pulse and the zero — a no-pulse. numbers are communicated between one unit and another by means of these one-zero or pulse — no-pulse combinations. the input has the additional job of converting the information fed in by the operator into machine language. in other words, it transaltes from our language into the pulse — no-pulse combinations understandable to the computer. the output's additional job is converting the pulse — no-pulse combinations into a form understandable to us, such as a printed report.
Ответы на вопрос:
Past Simple –
Yesterday I went to the park with my friends.
I had a doll. Yesterday was Sunday. We listened to fairy tales.
Present Progressive –
She reading a book now. John and Emily are launching their new campaign right now. My little nephew is learning to play the violin now. I am trying to focus on this task but it is really hard.
Past Progressive –
When I came home, my brother was sweeping the floor in his room. While I was writing the email, the computer suddenly went off. Some were swimming in the lake while others were lying in the sun.
Present Simple –
I do my homework every day. I go to school five days a week. He works at the factory. Mary lives in Paris. It snows a lot in winter. We were cooking all morning because we had 15 people coming for lunch.
Present Perfect –
I have already written this composition. He has already seen this film. She has lived in England for three month. We have just cooked potatoes with vegetables. You have already been in Prague.
Past Perfect –
James had washed his hands before he went to the canteen. I put on me clothes after I got up. The students said that he hadn’t done his homework. We saw that everybody had already gone.
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