Inglês: aula de 30/05 segunda-feira.

LANGUAGE WORK: COMPARISON

study this comparison of three type of computer.

	Mainframes	Minicomputers	Microcomputers
Size	+++	++	+
Power	+++	++	+
Cost	+++	++	+

We compare things using adjectives in two ways. 1 – We can compare one type of computer with another. Mainicomputers as bigger than microcomputers Mainframes as more expensive than microcomputers For negative comparisons, we can say: Microcomputers are not as big as minicomputers. Microcomputers are not as powerful as mainframes 2 We can compare mainframes to all other types of computer. Mainframes are the bigger computers Mainframes are the most powerful computers. Mainframes are the most expensive computers. With short adjectives (big, small, fast), we add –er and est (faster, fastest). With longer adjectives (powerful, expensive), we use more/less and the most/ the least before the adjective (more powerful, the most powerful). Remember these two exceptions: good – better – the best                     bad – worse – the

TASK 7

Choose the correct adjective. Then fill in the gaps with the correct form of the adjective.

1- light/heavy: Laptop are ______________ than desktop computers, but _____________ than notebooks.

2- large/small: The mainframes is the ______________ type of computer. A minicomputers is _______________ than a microcomputer.

3- common/good: Personal computers are __________________ than mainframes but mainframes are __________________ than personal computers at processing very large amounts of data.

4- powerful/expensive: Minicomputers are _____________________ than mainframes but they are also ______________________

5- fast/cheap: New computers are _________________ and sometimes _____________ than older machines.

6- powerful/expensive Laptops are often ___________________ than PCs but they are not as __________________

Aids to communication Here are some phrases to use when agreeing or disagreeing with someone. A: (I think) The best computer for a _____________ is ________________. B: I agree. / I think so too C: I disagree. / I don´t think so.

TASK 8

Problem-solving

In pairs, decide what sort of computers is best for each of these users.

1- John Wilmott is a salesperson and he spends a lot of time visiting customers. He wants a computer to carry with him so he can access data about his customers and record his sales.

2- Pat Nye is a personned officer. She needs a computer to keep staff records and to keep a diary of appointments. She also needs a computer for writing letters.

3- The University of the North needs a computer to look after its accounts. its network, the records of all students and staff, and to help with scientific research.

4- The james family want a computer for entertainment, writing letters, the internet, and for calculating fax.

TASK 9

Writing

Put the words in brackets into the correct form to make an accurate description of size of computers.

There are different types of computer. The (large) ____________ and (powerful) _________ are mainframe computers. Minicomputers are (small) ________________ than mainframes but are still very powerful.

Microcomputers are small enough to sit on a desk. They are the (common) ___________ type of computer. They are usally (powerful) ______________ than minicomputers.

Portable computers are (small) ___________ than desktops. The (large) _________ portable is a laptop. (small) ___________ portables, about the size of a pece of writing paper, are called notebook computers. Subnotebooks are (small) _______________ than notebooks.

You can hold the (small) _________________ computers in one hand. They are called handheld computers or palmtop computers.