Cambridge Professional English Infotech English for computer users Fourth Editiorf

D ell Inspiron 531 desktop PC
AMD Athlon 64 X2 Dual Core Processor
3072MB DDR2 SDRAM
Dell 22” Wide Flat Panel
256MB NVIDIA GeForce 8600GT video card
1.0TB Hard Drive
16x DVD+/- RW Drive
Integrated 7.1 Channel High Definition Audio
Windows Vista Home Premium
Optional features: Windows Media Center, integrated TV Tuner, and a Blu-ray disc drive for high-definiton content
From £849

L
-Ш
ook at the notes you made about your ideal computer system in Unit 3 task 6 (page 15). What did you want? Look again at the descriptions of the computers above and choose the one that is closest to your ideal. In pairs, discuss your choices.

Vocabulary tree
Designing word trees and spidergrams can help you build up your own mental 'maps' of vocabulary areas. Look at the list of terms in the box and put each one in an appropriate place on the word tree below. The first one has been done for you.
processor ROM expandable memory ALU DIMMs hard drive RAM computer brain byte DVD system clock keyboard mouse gigahertz printer megabyte webcam registers

Recommending a computer

Щ A friend has asked you to recommend a computer that suits his needs. He needs to be able to access the Internet, play games and work with graphics, music and video files. Write an email describing its technical features and saying why you recommend it.
Now visit www.cambridge.org/elt/ict for an online task.

Infotech 1
Computers today 20
unit з Inside the system 35
Technical specifications 35
What is inside a PC system? 36
Language work: defining relative clauses 42
How memory is measured 45
A PC system 47
6 Your ideal computer system 49
unit4 Buying a computer 55
Vocabulary tree 62
Recommending a computer 62
unit 5 Type, click and talk! 68
Interacting with your computer 68
Describing input devices 68
Describing functions and features 70
The keyboard 75
Mouse actions 76
6 Speech recognition systems 77
The eyes of your computer 78
Facts and opinions 79
Language work: superlatives 80
Language work: suffixes 81
Press release: a digital camera 31
Describing a camera 31
Your computer screen 32
How screen displays work 32
Ergonomics 37
Language work: instructions and advice 37
An ergonomic school or office 38
nit8 Choosing a printer 38
Language work: connectors 1 41
Choosing the right printer 41
Multi-function printers 42
Language work: comparatives 42
6 Reading quiz - printer adverts 43
unit 9 Devices for the disabled 44
Assistive technology 44
Computers for the disabled 45
Language work: noun phrases 48
Assistive technologies for the blind 53
Investing in assistive technologies 53
Storage devices 54
Types of magnetic drive 55
Unit 10 Magnetic storage 55
Buying a portable hard drive 55
Magnetic storage 56
Language work: precautions 57
Word building 58
Explaining hard drive precautions 58
CDs and DVDs 57
unit и Optical storage 57
Optical discs and drives 57
Language work: connectors 2 61
Choosing storage devices 55