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heidy Liliana, Copyleft |
3. Part of a computer3. Parts of a computer
Task 1. |
| Component | Capacity/speed measured in | Component | Capacity/speed measured in |
| Processor RAM Video memory |
GB MB KB |
Cache memory hard disk |
GB MHz |
Task 4.
Study this diagram of a PC motherboard. Match the components to their descriptions. If you need help, use the Glossary on page 120.
1. These are memory chips. The more you have, the more work you can do at a time. Empty memory slots mean you can add more memory
Task 5.
Listen again to the conversation. In column B, tick the items the assistant recommends
Task 6
Study these details of diffrerent types of computer.Find the answers to these questions. Which type of computer is:
1. the most common? PC
2. small enough for pocket? Handheld
3. the most common portable? Notebook
4. used by many people at the same time? Minframe
5. Used like mainframe? minicomputer
6. also called a handheld computer? palmtop
7. the most powerful? mainframe
8. not suitable for a lot of typing? Laptop
| Types of computer | notes |
| Mainframes Minicomputer Microcomputer or personal computers (PCs) |
Large, powerful, expensive. Multi user system-used by many people at the same time. Used for processing very large amounts of data. the most powerful mainframe are called supercomputer Used like mainframes. not as big, powerful, or expensive as mainframes. Less common now because microcomputers have improved. The most common type of computer. Smaller, cheaper, and less powerful than mainframe and minicomputers. |
| Types of portable | Notes |
| Latop notebook subnotebook handhelp or palmot |
About the size of a small typewrite Less common now because smaller and lighter portables are available About the size of a piece of writing paper. The most common type of portable. Not quite as big as notebook. Can fit intro a jacket pocket. Small enough to fit into the palm of one hand. Not easy to type with because of their size. Specialized handheld computers known as PDAs are used as personal organizers |
Task 7
Choose the correct adjective. Then fill in the gaps with the correct from of the adjective.
1. light/heavy Laptops are lighter than desktop computers, but heavyer than notebook
2.large/small The mainframe is the largest type of computer. A minicomputers is smaller than a microcomputer.
3.common/good personal computers are common than mainframe but mainframes are better than personal computers at processing very large amounts of data.
4. powerful/expensive Minicomputers are last powerful that mainframe but they also last expensive
5. fast/cheap New computers are faster and sometimes cheaper than older machines.
6. powerful/expensive Laptop are ofter expensive than PCs but they are not as most powerful.
Task 8
Problem- solving
In pairs, decide what sort of computer is best for each of these users
1. Jhon 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.
Laptop
2. Pat Nye is a personal officer. She needs a computer to keep staff records and to keep a diary of appointments. She also needs a computer for writing research letters.
Minicomputer
3. The University of the North needs a computer to look after its network, the records of all students and staff, and to help with scientific research.
Mainframe
4. The james Family want a computer for entertainment, writing letters, the Internet, and for calculating tax.
PC
Task 9
Writing
Put the words in brackest into the correct from to make an accurate description of sizez of computers.
There are different types of computer. The (large) largest and lest powerful are mainframe computer. Minicomputers are (small) smaller than mainframe but are still very powerful. Microcomputers small enough to sit on a desk. They are the (common) common type of computer, they are usually (powerful)
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