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IX. Put the verbs into the correct tense form:
1. Computer graphics (represent) pictures and drawings produced by
computers.
2. To produce images that (can) be displayed on the screen the
computer (to use) hundreds of mathematical formulas.
3. Computers (to help) in CAD and CAM to save time and money.
4. In business computers (to be used) to present information as graphics
and diagrams.
5. With the help of computer animation scientists and engineers (to
analyze) problems.
6. What a graphic package (to enable) the user to draw?
X. Translate:
1. Набор инструментов графического пакета известен под
названием «палитра».
2. Более того, вы можете определять свойства каждого
примитива, т.е. его цвет, тип линии и т.д.
3. Инженеры электрики используют компьютерную графику для
проектирования схем.
4. Компьютер преобразует вводимую команду в графические
образы при помощи
математических формул.
XI. Give summary of the above text.
TEXT 17
CD-ROM DRIVE UNIT
E2850
Important Safeguards
1. Read Instructions - All the safety and operating instructions
should be read before the product is operated.
2. Retain Instructions - The safety and operation instructions should
be retained for future reference.
3. Heed Warnings - All warnings on the product and in the
operating instructions should be adhered to.
4. Follow Instructions - All operating and use instructions should
be followed.
5. Water and Moisture - The product should not be used near
water, for example, near a bathtub, washbowl, kitchen sink, laundry tub,
in a wet basement, or near a swimming pool, etc.
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6. Carts and Stands - The product should be used only with a cart
or stand that is recommended by the manufacturer.
A product and cart combination should be moved with care.
Quick stops, excessive force, and uneven surfaces may cause the product
and cart combination to overturn.
7. Mounting - The product should be mounted into a computer as
recommended by the manufacturer.
8. Ventilation - The product should be situated so that its location
or position does not interfere with its proper ventilation. For example,
the product should not be situated on a bed, sofa, rag, or similar
surface that may block the ventilation openings; or, placed in a built-in
installation, such as a bookcase or cabinet that may impede the flow
of air through the ventilation openings.
9. Heat - The product should be situated away from heat sources
such as radiators, heat resisters, stoves, or other appliances (including
amplifiers) that produce heat.
10. Power Source - The product should be connected to a power
supply only of the type described in the operating instructions or as
marked on the product.
11. Power-Cord Protection - Power-supply cords should be routed
so that they are not likely to be pinched by items placed upon or against
them, paying particular attention to cords at plugs convenience socket
and/or jacks, and the point where they exit from the product.
12. Cleaning - The product should be cleaned only as recommended
by the manufacturer.
13. Object and Liquid Entry - Care should be taken so that objects do not
enter and liquids are not spilled into the enclosure through openings.
14. Damage Requiring Service which is NOT covered under warranty -
The product should be serviced by qualified service personnel when:
a) The power supply cord or the jack/plug has been damaged; or
b) Objects have entered, or liquid has spilled into the product; or
c) The product has been exposed to rain; or
d) The product has been dropped, or the enclosure damaged.
15. Servicing - The user should not attempt to service the
product beyond that described in the operating instructions. All other
servicing should be referred to qualified service personnel.
Natasha, an experienced computer user, has recently bought a
CD-ROM drive unit. She enjoys using it. But she regularly makes
