B Listen again and decide whether these sentences are true or false. Correct the false ones. 1 A mainframe computer is less powerful than a PC. 2 A mainframe is used by large organizations that need to process enormous amounts of data. 3 The most suitable computers for home use are desktop PCs. 4 A laptop is not portable. 5 Laptops are not as powerful as desktop PCs. 6 Using a stylus, you can write directly onto the screen of a tablet PC. 7 A Personal Digital Assistant is small enough to fit into the palm of your hand. 8 A PDA does not allow you to surf the Web.​

Ответ:

Here are the corrections for the sentences:

1. False. A mainframe computer is more powerful than a PC.

2. True. A mainframe is used by large organizations that need to process enormous amounts of data.

3. False. The most suitable computers for home use are desktop PCs. (No correction needed)

4. False. A laptop is portable.

5. False. Laptops are not as powerful as desktop PCs, but they are still portable.

6. True. Using a stylus, you can write directly onto the screen of a tablet PC.

7. True. A Personal Digital Assistant (PDA) is small enough to fit into the palm of your hand.

8. False. A PDA allows you to surf the Web.