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3.Translate the text
Dear Mr. Roberts
I am now sending you the files ( my resume, the scanned documents) as you asked. Please find an attached document. I was informed that your company was looking for a lawyer. I have seen your job advertisement in the newspaper. And I thought I might be of help. Please, have a look at them and let me know if I can provide you with any further information. Hope it will help you to form an opinion about any professional skills and make a decision about future possible collaboration.
Looking forward to hearing from you,
THEME 3.ADVANTAGES AND DISADVANTAGES OF PCs.
Personal computers have a lot of applications, however, there are some major categories of applications: home and hobby, word processing, professional, educational, small business and engineering and scientific.
^ Personal computers enjoy great popularity among experimenters and hobbyists. They are an exciting hobby. All hobbyists need not be engineers or programmers. There are many games that use the full capabilities of a computer to provide many hours of exciting leisure-time adventure.
The list of other home and hobby applications of PCs is almost endless, including: checking account management, budgeting, personal finance, planning, investment analyses, telephone answering and dialing, home security, home environment and climate control, appliance control, calendar management, maintenance of address and mailing lists and what not.
Word processing.At home or at work, applications software, called a word processing program, enables you to correct or modify any document in any manner you wish before printing it. Using the CRT monitor as a display screen, you are able to view what you have typed to correct mistakes in spelling or grammar, add or delete sentences, move paragraphs around, and replace words. The letter or document can be stored on a diskette for future use.
Professional.The category of professional includes persons making extensive use of word processing, whose occupations are particularly suited to the desk-top use of PCs. Examples of other occupations are accountants, financial advisors, stock brokers,tax consultants, lawyers, architects, engineers, educators and all levels of managers. Applications programs that are popular with persons in these occupations include accounting, income tax preparation, statistical analysis, graphics, stock market forecasting and computer modeling. The electronic worksheet is, by far, the computer modeling program most widely used by professionals. It can be used for scheduling, planning, and the examination of "what if situations.
Educational.Personal computers are having and will continue to have a profound influence upon the classroom, affecting both the learner and the teacher. Microcomputers are making their way into classrooms to an ever-increasing extent, giving impetus to the design of programmed learning materials that can meet the demands of student and teacher.
Two important types of uses for personal computers in education are computer-managed instruction (CMI), and computer-assisted instruction (CAI). CMI software is used to assist the instructor in the management of all classroom-related activities, such as record keeping, work assignments, testing, and grading. Applications of CAI include mathematics, reading, typing, computer literacy, programming languages, and simulations of real-world situations.
What are the main spheres of PC application? 2. Do you enjoy computer games? 3. Is it necessary for a person to be an analyst or a programmer to play computer games? 4. What other home and hobby applications, except computer games, can you name? 5. What is "a word processing program"? 6. What possibilities can it give you? 7. Can you correct mistakes while typing any material and how? 8. What other changes in the typed text can you make using a display? 9. Which professions are in great need of computers? 10. How can computers be used in education?
THEME 4.VIRTUAL REALITY.
No long ago computers were considered an amazing invention. Today they form part of our everyday life. The latest thing today is Virtual reality. It is a computer- simulated environment that can simulate physical presence in places in the real world or imagined words. This system can transport the user to exotic locations such as a beach in Hawaii or the inside of the human body. The Virtual reality system is still in the early stages of its development. At the moment it is necessary to put a large helmet on your head to see the simulated world and you have to wear a special glove on your hand in order to manipulate the objects, you see there . Lenses and two miniature display screens inside the helmet create the illusion that the screen surrounds you on every side. You can “ lookbehind” computer- generated objects, pick them up and examine them, walk around and see things from a different angle. Some advanced, haptic systems now include tactile information, generally known as force feedback in medical and gaming applications. The simulatedenvironment can be similar to the real world in order to create a lifelike experience- for example, in simulations for the pilot or combat training- or it can differ significantly from reality, such as in Virtual games. Virtual reality plays an important role in combat training for the military. It allowsthe recruits to train under a controlled environment where they are to respond to different types of combat situations. Virtual reality is also used in flight simulation of the Air Force where people are trained to be pilots. 3D Virtual reality is becoming widely used for urban regeneration and planning and transport projects. Developers of Virtual reality say its potential is powerful.
d) Some advanced , haptic systems now include tactile information.
e)The Virtual reality system is still in the early stages of its development.
f) Developers of Virtual reality say its potential is powerful.
g) Many science fiction books and films have imagined characters being “trapped in Virtual reality”.
^ ER OF MY DREAM.
1.Check if you know the following verbs:
To consist, to include, to make up, to contain, to execute, to increase,
to install, to perform, to compose of, to turn on, to turn off, to store, to start
up, to operate, to attach, to enable, to allow, to print, to provide.
2. Translate these sentences into Russian
a) Computers are devices that accept information in the form of instructions.
в) The switches are usually in one of two states: magnetized or demagnetized.
c) Computers are remarkable devices serving for processing and storage the information and for solving problems.
1.The data needed for solving problems are kept in the
a) memory; b) input device; c) output device
2.Inputting information into the computer is realized by
means of .
a) a printer; b) letters; c) diskettes
3.A computer can carry out arithmetic-logical operations
a) quickly; b) instantaneously; c) during some minutes
4.______________ __Computers have becomein homes, offices, research
a) commonwealth; b) commonplace; c) common room
a) information; b) production; c) exploration
5. Computers are used for image .
a) processing; b) operating; c) producing
6. Computers help in economy.
a) environment; b) management; c) government.
4.Make up your own dialogue on the theme using the words, the word combinations of ex1, 2, 3.
There are several devices used for inputting information into the computer: a keyboard, some coordinate input devices, suchas manipulators ( a mouse, a track ball), touch panels and graphical plotting tables, scanners, digital cameras, TV tuners, sound cards etc.
When personal computers first became popular, the most common device used to transfer information from the user to the computer was the keyboard. It enables inputting numerical and text data. A standard keyboard has 104 keys and three more ones informing about the operating mode of light indicators in the upper right corner.
Later when the more advanced graphics became to develop, user found that a keyboard did not provide the design capabilities of graphics and text representation on the display. There appeared manipulators, a mouse and a track ball, that are usually used while operating with graphical interface. Each software program uses these buttons differently.
^ is an optic-mechanical input device. The mouse has three or two buttons which control the cursor movement across the screen. The mouse provides the cursor control thus simplifying user's orientation on the display. The mouse's primary functions are to help the user draw, point and select images on his computer display by moving the mouse across the screen.
In general software programs require to press one or more buttons, sometimes keeping them depressed or double-click them to issue changes in commands and to draw or to erase images. When you move the mouse across a flat surface, the ball located on the bottom side of the mouse turns two rollers. One is tracking the mouse's vertical movements, the other is tracking horizontal movements. The rotating ball glides easily, giving the user good control over the textual and graphical images.
In portable computers touch panels or touch pads are used instead of manipulators. Moving a finger along the surface of the touch pad is transformed into the cursor movement across the screen.
Graphical plotting tables (plotters) find application in drawing manuscript texts. You can draw, add notes and signs to electronic documents by means of a special pen. The quality of graphical plotting tables is characterized by permitting capacity, that is the number of lines per inch, and their capability to respond to the force of pen pressing .
^ optical inputting of images (photos, pictures, slides) and texts and converting them into the computer form.
Digital videocameras have been spread recently. They enable getting videoimages and photographs directly in digital computer format. Digital cameras give possibility to get high quality photos.
Sound cards produce sound conversion from analog to digital form. They are able to synthesize sounds. Special game-ports and joysticks are widely used in computer games.
2. Answer the questions using the text.
1. What devices are used for inputting information into the computer? 2. What was the most common device in early personal computers? 3. What is the function of a keyboard? 4. Why do many users prefer manipulators to keyboard? 5. How does the mouse operate? 6. What is its function? 7. What role does the ball on the bottom of the mouse play? 8. What is used in portable computers instead of manipulators? 9. What is the touch pad's principle of operation? 10. Where do graphical plotting tables find application?
3. Translate into English the following word- combinations:
Введение информации; координатные устройства ввода; манипуляторы; мышь; трекбол; сенсорная панель; графические планшеты; цифровые камеры; сканеры; ТВ тюнеры; стандартная клавиатура; числовая и текстовая информация; световые индикаторы; клавиши; режим работы; презентация текста на мониторе; графический интерфейс; программные средства; оптико-механическое "устройство ввода; управлять движением курсора; упрощать ориентацию пользователя на экране; указывать и выбирать изображения;удерживать кнопки в нажатом состоянии; двойное нажатие; стирать объекты; ровная поверхность; вращать ролики; следить за вертикальным движением; легко скользить; портативный компьютер; рукописный текст; посредством; разрешающая способность.
THEME 7.GRAMMAR EXERCICES.
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