transcript
- Slide 1
- 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
- Slide 2
- What is a Computer Network? As a class come up with a list of
activities that computer networks make possible. A network is a
group of computers and other devices connected together.
Activities: Now complete slide 2 of your Networks workbook.
- Slide 3
- Types of Network Computer networks are categorised according to
their geographic coverage. Type of NetworkDescriptionExample Local
Area Network (LAN) Connect computers over a building or a site.
School network Wide Area Network (WAN) Connect computers over a
larger area such as a town, city or country. The internet (a global
computer network) Personal Area Network (PAN) Connect the computers
or devices used by one person. Bluetooth headset connected to a
mobile phone Now complete slide 3 of your Networks workbook.
- Slide 4
- Network Topologies Now complete slides 4-7 of your Networks
workbook.
- Slide 5
- 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. Now complete slide 3 of your Networks
workbook. TopologyDescription Bus Single main cable to which
computers are connected. RingAll computers are connected in a
circle. Star All computers have their own link to a central
computer. Mesh Where each computer can connect to other
computers.