2. Answer the questions:
Which device is used to input text and graphic images from a printed page?
How does a colour scanner work?
Do digital cameras use film? How do they store photographs?
Which device would you use to take digital video?
What kind of software is used to manipulate video clips on the computer?
What do you think are the benefits of using scanners and cameras at home and in business?
3. Read the advertisements below and say what you think are the facts and the opinions.
(A)
T
he
ColourScan XR from Sunrise is a flatbed scanner with 600 dpi of
resolution and 9" x 15" of scanning area.
Think of the possibilities.
You can enter data and graphic images directly into your applications - word processors or databases. You can get crisp, clean scans for colour compositions, video and animation work.
It comes complete with its own image-capture software which allows for colour and grey retouching. And it's easy to use.
What more could you want for only $290? It couldn't be cheaper.
(B)
ScanPress 800
The ScanPress 800 is a self-calibrating, flatbed scanner with 800 dpi of resolution. You can scan from black and white to 24-bit colour. The package includes a hardware accelerator for JPEG compression and decompression. JPEG technology saves disk space by compressing images up to 50 to 1. In creating ScanPress 800, the manufacturers have chosen the highest technology to give you the best scans with the least effort. It produces images with high colour definition and sharpness. And it comes with OCR software and Adobe Photoshop, so you can manipulate all the images you capture. This is a fantastic machine you will love working with. And at only $510 it is an excellent investment.
|
ColourScan XR |
ScanPress 800 |
Facts |
flatted scanner 600 dpi of resolution |
Self-calibrating flatted scanner |
Opinions |
You can get crisp, clean scans |
The highest technology |
4. In small groups, compare your answers and decide:
which text has got more persuasive language? Why?
which text is more factual or objective? Why?
VI. Grammar: Comparatives and superlatives
1. Apart from catchy slogans and other persuasive techniques, advertisements often use the comparatives and superlatives of adjectives and adverbs. Read the following examples from advertisements. What can you say from these examples about how comparatives and superlatives are formed?
... only ten times faster.
It couldn't be cheaper.
The manufacturers have chosen the highest technology ...
The cleverest personal scanner ...
The most revolutionary computer peripheral ...
The best scans with the least effort...
Flatbed scanners are more accurate than ...
Now you can edit your documents more easily than ever, and they'll look better than ever ...