Oral Activity
A: Could you tell me the difference between a computer network and a wireless network?
B: Okay. A computer network is two or more computers connected together so they can exchange information. Most networks use hubs to connect computers together while a wireless network connects computers without a hub or network cables.
A: What does a wireless network use to send data?
B: Computers on a wireless network use radio communications to send data among them
A: What can we do with a simple network?
B: Networking allows us to share resources among a group of computer users，such as files and drives, a printer or an Internet connection.
A: If I want to set up a small network, what procedures should I follow?
B: If you want to network computers together, you need to install networking hardware and software.
A: How many types of networks are there?
B: There are three types: small peer-to-peer networks, large network and the Internet.
A: What’s the definition of the Internet?
B: The Internet is a world-wide collection of thousands of interconnected computer networks. Its biggest advantage is that it enables those different kinds of computers to talk to each other.
A: What is the advantage of a wireless network?
B: Compared to a computer network, a wireless networking technology make wireless networking practical and affordable.
A: It seems that a wireless network has a lot of advantages over a computer network.
B: That’s right.
