Control exercise

Translate these sentences from English into Russian. Mind grammar.

1. All set windows can be divided into two large groups: working windows and dialog boxes.

2. To select an element it is enough to click on it with the mouse cursor.

3. One can use the filename extension to identify files of similar types.

4. Confidential information sent to the server by a user (for example, credit card data) can be intercepted.

5. Mail is received in two forms: on paper or electronically, the second way being more convenient.

6. Over the next few years, industry observers expect multimedia development to accelerate, as current barriers are overcome.

7. A computer virus infects a system by attaching itself to other programs and converting them into virus carriers.

8. The first digital computers were programmed in machine language: the string of binary digits actually processed by the machine.

9. Programming languages, including even the higher-level ones, differ fundamentally from natural languages.

10. To protect a floppy disk from accidentally being crashed or written over, the user must set the write-protection tab on it.

11. In 1983 Apple introduced Lisa, a personal computer with a graphical user interface to perform routine operations.

12. The development of the computer began with a search for a machine that could perform mathematical calculations mechanically.

13. Some companies offer up to 16 million colors for display screens, perfect color for reducing eye-strain lying somewhere in that number.

14. Today communication with computers is carried out mainly in high-level languages, in which complex statements are interpreted by the machine and automatically compiled into programs.

15. At the high end of the PC market, multimedia personal computers equipped with CD-ROM players and digital sound systems allowed users to handle animated images and sound.

16. Personal computers were increasingly interconnected with each other and with larger computers in networks for the purpose of gathering, sending, and sharing information electronically.

17. The Macintosh was particularly useful for desktop publishing because it could lay out text and graphics on the display as they would appear on the printed page.

18. A modem converts the digital pulses from a computer into analog signals to be transmitted over the telephone line and vice versa.

19. By 1990 some personal computers had become small enough to be completely portable; they included laptop computers, notebook computers and pocket, or palm-sized computers.

20. Personal computers generally are low-cost machines that can perform most of the functions of larger computers but use software oriented toward easy, single user applications.

21. A microprocessor is a semiconductor chip that contains all the arithmetic, logic, and control circuitry needed to perform the functions of a computer’s central processing unit.

22. Though the Altair was popular among computer hobbyists, its commercial appeal was limited, since purchasers had to assemble the machine from a kit.

23. A graphical user interface is a display format that allows the user to select commands, call up files, start programs and do other routine tasks by using a device called a mouse.

24. In 1944 the IBM researches produced the Automatic Sequence Controlled Calculator (ASCC), which was able to multiply two 23 digit numbers in about six seconds or add two numbers in about one third of a second.

25. Computers are small and inexpensive enough to be purchased by individuals for use in their homes first became feasible in the 1970s, when large-scale integration made it possible to construct a sufficiently powerful microprocessor on a single semiconductor chip.

Дата добавления: 2015-10-29