Task 1. Answer the following questions.
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
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1. barcode reader
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a) a piece of equipment that is connected to the central processing unit of a computer system.
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2. peripheral
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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
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3. resolution
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c) a symbol on the monitor screen that indicates the point on the screen that is being used
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4. cursor
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d) an optical input device that uses the reflection of a light beam to read barcode labels
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5. keyboard
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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
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6. mouse
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f) the main electronic input device that has keys arranged in a similar layout to a typewriter
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