Question

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.​

Answer 1

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.

Answer 2

Statement 1: A mainframe computer is less powerful than a PC.

This statement is false. A mainframe computer is typically more powerful than a PC. Mainframes are designed to handle large-scale computing tasks and process enormous amounts of data for large organizations.

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

This statement is true. Mainframe computers are commonly used by large organizations that require high-performance computing and have extensive data processing needs.

Statement 3: The most suitable computers for home use are desktop PCs.

This statement is true. Desktop PCs are often considered the most suitable computers for home use due to their versatility, power, and ability to handle various tasks such as gaming, multimedia, and productivity applications.

Statement 4: A laptop is not portable.

This statement is false. Laptops are designed to be portable, allowing users to carry them around and use them in different locations. They are lightweight and compact, making them convenient for mobile computing.

Statement 5: Laptops are not as powerful as desktop PCs.

This statement is partially true. While it is generally true that desktop PCs can offer higher performance and more powerful hardware components, laptops have significantly improved in terms of power and performance in recent years. High-end laptops can now rival the performance of desktop PCs, although desktop PCs still offer more customization options and potential for higher-end components.

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

This statement is true. Tablet PCs often come with touchscreens that support stylus input. With a stylus, users can write directly on the screen, making it convenient for note-taking, drawing, and other tasks that require handwriting or precise input.

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

This statement is true. Personal Digital Assistants (PDAs) are small handheld devices that are designed to fit into the palm of your hand. They are typically used for personal organization, note-taking, and basic computing tasks.

Statement 8: A PDA does not allow you to surf the Web.

This statement is false. Many PDAs, especially modern smartphones, have internet connectivity and allow users to surf the web, check emails, and access various online services. However, older or more basic PDAs may not have web browsing capabilities.

Please let me know if you need further clarification or have any other questions!