Translate the passages (in written). Pay attention to professional terms. A computer generally means programmable tachine. The two principal characteristics of a computer are: it responds to a specific set instructions in a well-defined manner and can execute a prerecorded list of instructions (a program). Modern computers are electronic and digital. The actual machinery - wires, transistors, and circuits - is called hardware; the instructions and data are called software. general-purpose computers require the following hardware components: memory: enables a computer to store, at least temporarily, data and programs.mass storage device: allows a computer to permanently retain large amounts of data. Common mass storage devices include disk drives. input device: usually a keyboard and mouse, the input device is the conduit through which data and instructions enter a computer. output device: display a screen, printer, or other device that lets the computer has you see what accomplished. central processing unit (CPU): the heart of the computer, this is the component that actually executes instructions. In addition to these components, many others make it possible for the basic components to work together efficiently. For example, every computer requires a bus that transmits data from one part of the computer to another.
Use the Present Simple, the Future Simple and the Future Perfect in the following sentences.
1. By the time students (start) learning a second language they (wil have mastered) the first one.
2. We (shall have finished) all the homework by 6 o'clock this afternoon.
3. I (shal have read) this book by tomorrow evening.
4. I hope they (will have received) my letter by Saturday and (will not expect) me on Sunday.
5. I shall still (be) here next summer but Tom (will have left).
6. If you (think) it over you (will see) I am right.
7. They (will have done) half of the journey when they (reach) the Volga.
8. We've got five days in London: we are leaving on Monday. But I'm sure that we (shall have seen) everything of importance by then.
9. Fleur (will have finished) tidying up before the guests (come).
10. "I'm going to Hyde Park to hear the people making speeches." "You (are) late. By the time you (get) there they (will have finish) their speeches and everybody (will have gone) home."