 |
Главная Случайная страница Контакты | Мы поможем в написании вашей работы! | |
Task 1. Answer the following questions. 1. What peripheral devices can be attached to the host computer?
|
|
1. What peripheral devices can be attached to the host computer? 2. What are the functions of input devices such as a keyboard, a scanner, a mouse and a light pen? 3. What do you know about such output devices as monitors? 4. What kind of printers do you know? 5. What is a keyboard designed for? 6. Can you explain the difference between CRT and LCD? 7. What are speakers and headphones used for? 8. What is a printer? 9. How are printers connected to the computer?
Task 2. Match the terms in Table A with the definitions in Table B.
| Table A | Table B |
| 1. barcode reader | a) a piece of equipment that is connected to the central processing unit of a computer system. |
| 2. peripheral | b) a measure of the quality of a display screen in terms of the amount of graphical information that can be shown on the screen |
| 3. resolution | c) a symbol on the monitor screen that indicates the point on the screen that is being used |
| 4. cursor | d) an optical input device that uses the reflection of a light beam to read barcode labels |
| 5. keyboard | e) a common cursor control input device used with a graphical user interface. It commonly has 2 or 3 button switches on top and a ball underneath that is rolled on a flat surface |
| 6. mouse | f) the main electronic input device that has keys arranged in a similar layout to a typewriter |
Дата публикования: 2015-09-17; Прочитано: 1500 | Нарушение авторского права страницы | Мы поможем в написании вашей работы!
