IGCSE ICT Chapter 4

A global network of computer hardware

• Intranet

• Internet

• Extranet

• bridge

software which enables us to store, create and locate online content

• Internet

• Intranet

• www

• Extranet

a private and secure network providing access to shared content within an organisation or company

• Intranet

• Internet

• www

• Extranet

a small network usually confined to one building

• Bluetooth

• WAN

• LAN

• WLAN

a network of network connecting local area networks over a large geographical area

• LAN

• WAN

• WLAN

• Internet

A technology which enables devices to connect using radio waves to the networks without cables

• Wifi

• Bluetooth

• WLAN

• LAN

A technology which enables devices to connect wirelessly to other near by devices (eg speakers, keyboards)

• Wifi

• Bluetooth

• WAN

• LAN

Address allocated to a device by that router each time it connects to a network

• NIC

• ISP

• MAC

• IP

Address embedded into the ROM chip of the network interface card which uniquely identifies each device

• NIC

• ISP

• MAC

• IP

a company which provides internet access, emails and domains

• NIC

• ISP

• MAC

• IP