Vocabulary practice Section 1. 1. Decide whether these statements are true or false

1. Decide whether these statements are true or false. Correct those which are false.

1. Most computers still use CRT monitors. 2. Typical CRT-based displays occupy less space than LCDs. 3. Liquid-crystal displays are curved. 4. Flat LCD screens are becoming very popular. 5. LCD technology consumes less power than CRT technology. 6. Flat screens are cheaper than CRT monitors.

7. Users of flat-screen monitors can’t adjust the angle of vision.

8. The images shown on a monitor are not generated by the video card.

9. All visible colours can be made from mixing the three primary ones: red, yellow and blue.

10. Active-matrix LCDs do not use a technology called thin film transistor or TFT.

2. Complete these sentences with words from the Key Information Section.

1. If you intend to set up a ……., consider getting a very big screen, a DVD recorder and a good set of speakers.

2. A ……. takes digital images and displays them on a screen or wall.

3. The company announced plans to expand its ………………….. (DLP) cinema technology, which has thrilled test audiences with its dazzling colours and pin-sharp images.

4. In a …….. TV, a large box contains both the projector and the screen built in.

5. The gas mixture in a …….. is not dangerous.

3. Complete this extract from a workplace health and safety guide using words from the box. Then choose the correct verb forms from the options.

footrest ache swivel idea copyholder strain repetitive

The following guidelines can help you avoid the common pitfalls of daily computer use – eye

1……., back 2……. and 3……. strain injury (RSI).

• Get/Don’t get a comfortable chair that supports your lower back.
• Ask/ Don’t ask for a 4……. to place under your desk and a tilt and 5……. stand for your screen.
• Position your keyboard correctly: your arms should/shouldn’t be perpendicular to the desk surface.
• Your monitor should/shouldn’t be at, or just below, your head height.
• Sit/Don’t sit at least 50 cm away from the monitor.
• It’s a good 6……. to take regular breaks in order to rest your eyes.
• You should/shouldn’t work from hard copy documents without using a 7…….
• Forget/Don’t forget to clean your screen regularly.

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