Составить аннотацию на для текста : central processing unit it is well-known in computer science that the words “computer” and “processor” are used interchangeably. speaking more precisely, “computer” refers to the central processing unit (cpu) together with an internal memory.the internal memory, control and processing components make up the heart of the computer system. manufactures design the cpu to control and carry out basic instructions for their particular computer. the cpu coordinates all the activities of the various components of the computer. it determines which operations should be carried out and in what order. the cpu controls the operation of the entire system by issuing commands to other parts of the system and by acting on responses. when required, it reads information from the memory, interprets instructions, per- forms operations on the data according to the instructions, writes the results back into the memory, and moves information between memory levels or through the input-output ports. in digital computers the cpu can be divided into two functional units called the control unit (cu) and the arithmetic-logic unit (alu). these two units are made up of electronic circuits with millions of switches that can be in one of two states, either on or off. the function of the cu within the central processor is to transmit coordi- nating control signals and commands. the control unit is that part of the com- puter that directs the sequence of step-by-step operations of the system, selects instructions and data from memory, interprets the program instructions, and controls the flow between main storage and the arithmetic-logic unit. the alu, on the other hand, is that part of the computer in which the actual arithmetic operations, namely, addition, subtraction, multiplication, division, and exponentiation, called for in the instructions are performed. programs and the data on which the cu and the alu operate, must be in internal memory in order to be processed. thus, if located in secondary memory devices, such as disks or tapes, programs and data are first loaded into internal memory.
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1)I can't call my brother to play football now. He's studying. - Alright, we'll play without him.
2)This student is a good boy. He studies much and respects the teachers. They're proud him.
3)Whom did you see yesterday in the square?
4)When you give the present to him, what will he say? I think he won't forgive you yet.
5)I can't ask my father now. He hasn't come yet.
6)My brother has already woken up and had some jogging in the yard. Come and see him from the window! He wakes u[ early even in summer, when there is no school. He's a real sportsman!
7)Cut it out! You haven't let the cat out yet! You told him yesterday, didn't you?
8)I'm sorry, no cinema today. I really can't. I have to go with my parents to the restaurant. It's mt father birthday.
9)The train leaves every day at 10.26 sharp. If you come one minute too late, you will miss. By the way, when will you get up tomorrow?
10)Can't you see I'm so busy with me baby? I'll come when I finish with him. In 10 minutes, at most.
11)I really can't do the shopping today. I don't fell well. Will you do it for me? - Of course mum, I will go to the shop, don't worry.
12)It's eleven o'clock, and you still aren't sleeping! Where do you think you'll be? This is not a holiday hotel. Get yourself a job, do something, or I wouldn't cook for you anymore, and I wouldn't give you money for your entertainments!
I was walking along the (busy) street when I saw a crowd not far from the (dangerous) entrance of a building. I was (curious) to know why people were so nervous. I peeped over the (stout) shoulders of a young man and I saw a (beautiful) dog in front of the enormous building. It seemed as if it was waiting impatiently for its master. The passers by were (afraid) of the shiny, (sharp) teeth that it showed when it grinned. An (angry) lady suggested to call the police to put an end to the situation which she did immediately. A (large) policeman soon appeared in a (grey) uniform. He made a call and soon the situation was under control.
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