I. Insert the necessary prepositions and postpositions:

Personal computers in late 1991 and early 1992 increased (1) __performance while dramatically decreasing (2) __ price. Such computers have the ability to run software requiring large amounts (3) ___ random access memory, the working memory into which programs and data are loaded (4) __ discs. The ability to run large programs is important (5) __ people who use graphical user interfaces – software that is activated (6) __ selecting items displayed as pictures or (7) __ simple menus rather than by typing commands.

From 1991 (8) ___ mid-1992, the prices of powerful computers dropped as much as 70 per cent. Prices (9) __ some models had fallen as low as $1,500 by spring 1992.The lower prices enabled computer users to buy more powerful machines (10) __ less money - while manufacturers enabled smaller profits on each machine sold.

II. Insert the necessary active vocabulary items from the list:

The Net, shipping out, netiquette, the Subject, the Internet’s, network, message, content, to interact, a progam

____ (1) is a huge, unwieldy mass with no “powers-that-be” that can dictate (2) ___ or standards. This is, for the most part, a good thing because it means there’s no censorship and no one can wield authority arbitrarily. To prevent this organised chaos from descending into mere anarchy, however, a set of guidelines has been put together over the years. These guidelines are known collectively as netiquette ((3) __ etiquette) and they offer suggestions on the correct way (4) --- with (5) ___ denizens. To give you a taste of (6) ___, here are some highlights to consider.

• Keep your message brief and to the point and make sure you clear up any spelling slips or grammatical gaffes before (7) ___.

• Make sure (8) __ lines of your message are detailed enough so they explain what your (9) __ is all about.

• Don’t bother other people by sending them test messages. If you must test (10) ___, send a message to yourself.

III. Choose the most suitable word to complete each sentence.

1. Don’t forget to turn on the ________, if you want to go on-line.

A) Computer B) printer C) modem D) gadget

2. I think computers will ____ our lives the most.

1. Effect B) affect C) agitate D) impress

3. Expectations for growth in the main ___ economies remain low.

1. Technological B) ecological C) commercial D) industrial

4. The steam engine was the greatest technological ___ of the 19^th century.

1. Progress B) advance C) revolution D) step

5. Huge amounts of electronic data can now be transmitted from ____ to computer at incredibly high speed.

1. Machine B) electronic appliance C) computer D) Wi-Fi

6. Third generation mobile technology can _____ data quickly to your phone.

1. Send B) give C) transmit D) communicate

7. The only problem is that Wi-Fi radio ___ are invisible.

1. Signals B) signs C) message D) information

8. My new cellular phone allows me to send ___ anywhere within the country and abroad.

1. Signals B) text messages C) waves D) faxes

9. An Internet service provider is a ____ that provides you with an Internet connection and services such as an e-mail.

1. Office B) firm C) company D) association

10. _____ also keep their messages brief by abbreviating frequently used phrases.

1. Customers B) users C) operators D) E-mailers