Tham khảo tài liệu 'basic english for computing phần 2', ngoại ngữ, ngữ pháp tiếng anh phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Language work Comparison Study this comparison of three types of computer. Main frames Minicomputers Microcomputers Size t 1 1 Power -1-4- Cost We compare things using adjectives in two ways. 1 We can compare one IV ịX of computer with another. Mmn ompiitr s are bi J J er ihtm microcomputers. Mainframes arc more expensive than microcomputers. For negative comparisons we can say Mil rOi ompulers tin- not as biy as minicomputers. Microcomputers are not as powerful as mainframes. 2 We can compare mainframes to all other types of computer. Mainframes are the biyyest computers. Mainframes are the most powerful computers. Mainframes are the most expensive computers. With short adjectives ibiy. small fast we add -Ct and -esi I faster. fastest . With longer adjectives powerful expensive we use more less and the must the least before the adjective more powerful the most powerful . Remember these two exceptions tfood - better -t lie best bad - worse - the worst Task 7 Choose the correct adjective. Then till in the gaps with the correct form of the adjective. 1 ỉiyhí hravy I .a I Hops arc ----------- than desktop computers bill - -------------- than notebooks. 2 large small The mainframe is the 2-------------- type of computer. A minicomputer is than a microcomputer. 5 common flood Personal computers are 1 than mainframes but mainframes are than personal computers at processing very large amounts of data. 4 powerful expensive Minicomputers arc 7 than mainframes but they arc also 2---------------- s fast ihrap New computer s an 2---------------- and sometimes -------------- than older machines. 6 powerful-expensive Laptops are often --------------- than PCs but they are not as ---------------. 12 Aids to communication Here are some phrases to use when agreeing or disagreeing with someone. A ịỉthink The best computer for u is B itijree. I think so loo. c I ilisuifree. 1 don t think so Problem-solving Task 8 In pairs decide what sort of computer is best lor each of these users.