Task 2.9, Complete the following paragraph by filling in the blanks with appropriate listing markers.

Computers can do wonders, but they can waste a lot of money unless careful consideration goes into buying them. Businessmen and women thinking of buying a computer system should 1 ______admit they know very little about computers. 2________, they must realize that the computer sales people don't always know how their business works. 3_______, it is essential that buyers should get outside advice, no necessarily from consultants but from other executives who have had recent experience in buying a computer system. 4.________they should try to see systems similar to ones under consideration in operation. Because their operations will have differences that must be accommodated, they should. 5. _____find out what would be involved in upgrading a system. 6.______important thing to know before buying a computer is the financial situation of the supplier because computer companies come and go and not all are financially stable. 7______, the prospective buyer should demand that every detail be covered in writing, including hardware and software if they are supplied by different companies. There's nothing wrong with computers themselves, it's how and why they are used that can cause problems.

Giving examples

When the main aim of a text is to inform the reader about a subject, the writer will often use examples, either to explain a point or to illustrate an idea or argument. When giving examples, it is important to differentiate between the idea itself and the illustration of the idea.

Some expressions for introducing examples are shown in the table below.

For example (e.g.)	Examples of	Shown by
For instance	Instances of	exemplifies
An example (of this)	Cases of	shows
As an example	Illustrations of	Illustrates
Such as	Exemplified by	A second/third example
like	Illustrated by	Etc.
including	seen

Sample 1. Office workers use many computer applications such as word processing, spreadsheets, and databases.

Sample 2. Computers have made radical changes in preparing income tax returns. For example, in some countries you can now send your income tax return on disk.

Sample З. Students can make good use of computer technology at school. Essay writing, for instance, can be done using a word-processing program.

NB!: Sometimes the markers follow the example, separated by commas, as in 3 above.

Task 2.10. The list below is made up of five groups of words, consisting of five main categories and examples of each category. Find the word groups and then write sentences to show the relationship between the groups of words. Use a different marker for each sentence. One has been done for you.

 

trackball	bus	PC
mainframe	output device	star
microcomputer	printer	VDU
network configuration	APL	С
programming language	COBOL	ring
mouse	stylus	computer
input device

Model: Ring, bus, and star are all examples of network configurations.

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