Letter of each missing word is given.

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interviewer: Do you own a PC?

Enrique: Yes, I have an Apple Macintosh.

interviewer: Why did you с__________! a Mac as opposed to an IBM or an

IBM с__________ ²?

ENRIQUE: I think Macs are e_________ ³ to use than IBM PCs. I use the

m....... - feature a lot. which is s * on all Macs. Then

there's the graphical user interface and the windows.
interviewer: Graphical user interface? Could you explain that?
ENRIQUE: Well, put simply, it means that you click on i__________ ⁶ instead of

typing in с-------------- '.

interviewer: I see. You mentioned windows. Doesn't IBM also use windows?

ENRIQUE: Yes, but I think their windows are harder to s__________

u______ -_____ In any case, I m u._ ________ t____ ____ the Mac.

Now listen again to the interview and check your answers.

Reading

Task 4 Before reading the texl on the lollowing page, match each word with the

correct definition:

1 mainframe a the set of software that controls a computer system

2 mouse b a very small piece of silicon carrying a complex

electrical circuit

3 icon с a big computer system usecj for Urge-scale operations

4 operating system d the physical portion of a computer system

5 software e a device moved by hand to indicate position on the

screen

6 hardware f a visual symbol used in a menu instead of natural

language

7 microchip • g data, programs, etc., not forming part of a computer,

^;but used when operating it.

IS) Now read the text and decide on a suitable title for it.

25 years old, to write their operating system. Bill Gates founded Microsoft on the basis of the development 60 of MS/DOS, the initial operating system for the IBM PC. Digital Research have continued to develop their operating system, DR/DOS, and it is considered by 65 many people to be a better product than Microsoft's. However, without an endorsement from IBM, it has become a minor player in the 70 market. Novell, the leaders in PC networking, now own Digital Research, so things may change. The original IBM PC had a 75 minimum of 16K of memory, but this could be upgraded to 512K if necessary, and ran with a processor speed of 4.77MHz. Ten years later, in 1991, IBM were 80 making PCs with 16Mb of memory, expandable to 64Mb, running with a processor speed of 33MHz. The cost of buying the hardware has come down 85 considerably as the machines have become commodity items. Large companies are considering running major applications on PCs, something 90 which, ten years ago, no one would have believed possible of a PC. In contrast, many computers in people's homes are just used to play computer 95 games. The widespread availability of computers has in all probability changed the world for ever. The microchip technology which 100 made the PC possible has put chips not only into computers, but also into washing-machines and cars. Some books may never be published in paper form, but 105 may only be made available as part of public databases. Networks of computers are already being used to make information available on a world-no wide scale.

N 1952, a major computing company took a decision to get out of the business of making mainframe computers. They 5 believed that there was only a market for four mainframes in the whole world. That company was IBM. The following year they reversed their decision.

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