1. Software — programs for directing the operation of a computer or electronic data.
2. Computers can input, calculate, compare, and output data as information.
3. Software determines the order in which these operations are performed.
4. Programs usually fall in one of two categories: system software and applications software.
5. System software controls standard internal computer activities.
6. An operating system, for example, is a collection of system programs that aid in the operation of a computer regardless of the application software being used.
7. System programs are designed for the specific pieces of hardware.
8. By installing the driver you «teach» your mainboard to «understand» the newly attached part.
9. Applications software satisfies your specific need.
10. These class of programs is the most numerous and perspective from the marketing point of view.
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Пояснення:
Travelling is very popular nowadays. A lot of people travel to different countries if they have such opportunity. Travelling allows you to get interesting experience, learn about people’s life in other countries and continents. I think it is very interesting to discover new things, new places and different ways of life. While on travel, you meet new people, try different meals; see world famous places with your own eyes.
There are many ways of traveling – by train, by plane, by ship, on foot. If you want to visit a far country, you’ll definitely choose a flight. If your aim is to see many countries for a short time, you’ll choose travelling by bus or by car. If you want to be closer to nature, you may choose a trip on foot.
Lots of people nowadays live in big cities. So it’s natural that they want to have a holiday by the sea or in mountains with nothing to do but relaxing. There is other sort of travellers. They want to visit as many countries as possible. So after exploring Europe and North America they go to exotic countries.
People who travel a lot, are very interesting, they always have a good story to tell. Thanks to them you can learn many things which you didn’t know before. They motivate to see something new, to explore the world, which is so easy to do nowadays. Any kind of travelling helps you to understand many things that you would never see or learn at home.
Поделитесь своими знаниями, ответьте на вопрос:
2 (Has your sister bought) all the food for the party?
3 The children (have been learning) French since father (went) to Paris.
4 (Are you going) to the seaside tomorrow? � Yes, I (go) there once a week.
5 The Tucks (have not had) a holiday by the seaside for seven years.
6 Who (is) that? � Sheila's boyfriend (is standing) at the door.
7 The watchman (noticed) the burglar as he (was trying) to open the back door.
8 Where (is) the guinea-pig? � Aunt Lucy (has taken) him out to the garden.
9 Lots of mosquitoes (were flying) around the lamp so we (turned) it off.
10 Have you (washed) the car yet? � No, but I have already (filled) the tank.
11 Mary-Joe (was sitting) on the balcony when Aunt Lucy (arrived).
12 Peggy (has cleaned) the living-room. � When (did she clean) it?
13 She's busy. She (is making) a cake. She often (makes) cakes.
14 By the end of next month he (will have been) here for ten years.
15 Have you (read) Mary Poppins? � I (began) it last week and I have just (finished) it.
16 I'm rather fat, but I know what to do. I (will sell) my car and (buy) a bike.
17 When we (saw) the policeman we quickly (ran) behind a tree.
18 Dora (went) to see her friend last night, and she (has not come) back yet.
19 What are you (doing) tomorrow? � I (will be helping) mummy with the housework.
20 Is Dora in? � Yes, she (was) to the bank, but she (has just come) back.
21 (Have you seen) that picture? It (has been) on this wall for many years.
22 Tomorrow I (will invite) Cathy to a drink, then I (will tell) her I (love) her.
23 Have you (heard) the latest news? Peter (married) the Simpson girl yesterday.
24 By the time we (get) there somebody (will have already taken) the documents.
25 Have you (been waiting) long for me? � No, I (have come) just now.