Unit 1 Types of Network Learning Objectives 5

Unit 1 Types of Network Learning Objectives: 5. 1. 1 Understand why computers are connected in a network 5. 1. 2 Understand the different types of networks 5. 1. 9 Understand characteristics of network topologies

What is a Computer Network? A network is a group of computers and other devices connected together. As a class come up with a list of activities that computer networks make possible. Activities: Now complete slide 2 of your Networks workbook.

Types of Network Computer networks are categorised according to their geographic coverage. Type of Network Description Local Area Network Connect computers over (LAN) a building or a site. Connect computers over Wide Area Network a larger area such as a (WAN) town, city or country. Connect the computers Personal Area or devices used by one Network (PAN) person. Example School network The internet (a global computer network) Bluetooth headset connected to a mobile phone Now complete slide 3 of your Networks workbook.

Network Topologies Now complete slides 4 -7 of your Networks workbook.

Network Topologies The term topology refers to the way in which devices are connected to a network. The table below summarises the different network topologies. Topology Bus Ring Star Mesh Description Single main cable to which computers are connected. All computers are connected in a circle. All computers have their own link to a central computer. Where each computer can connect to other computers. Now complete slide 3 of your Networks workbook.