Edexcel iGCSE ICT Topic 2
(Connectivity)
Satellite - correct answer-an artificial body placed in orbit around the earth or moon or
another planet in order to collect information or for communication.
LAN - correct answer-A network confined to a small geographic area. E.g.a house or office.
PAN - correct answer-A network surrounding a single person. E.g. A phone paired with a
smart watch
WAN - correct answer-A network spanning a large geographical area. E.g. a town or city
Broadcast - correct answer-To send a signal out to a wide area. Usually done by large
communication towers
Tethering - correct answer-Transforms a smartphone or Internet-capable tablet into a
portable communications device that shares its Internet access with other computers and
devices wirelessly
Wireless Network - correct answer-Any type of computer network that is not connected by
cables of any kind.
WiFi - correct answer-a facility allowing computers, smartphones, or other devices to
connect to the Internet or communicate with one another wirelessly within a particular area.
Bluetooth - correct answer-Wireless PAN technology that transmits signals over short
distances between cell phones, computers, and other devices
GPS - correct answer-A system that determines the precise position of something on Earth
through a series of satellites, tracking stations, and receivers.
3G - correct answer-A service that brings wireless broadband to mobile phones
4G - correct answer-System to allow fast Internet access using mobile phone networks.
5G - correct answer-System to allow extremely fast Internet access using mobile phone
networks.
Infrared - correct answer-Electromagnetic waves of frequencies lower than the red of visible
light. Used in devices like TV remotes
NFC - correct answer-Technology that allows two devices to share information by touching
(Connectivity)
Satellite - correct answer-an artificial body placed in orbit around the earth or moon or
another planet in order to collect information or for communication.
LAN - correct answer-A network confined to a small geographic area. E.g.a house or office.
PAN - correct answer-A network surrounding a single person. E.g. A phone paired with a
smart watch
WAN - correct answer-A network spanning a large geographical area. E.g. a town or city
Broadcast - correct answer-To send a signal out to a wide area. Usually done by large
communication towers
Tethering - correct answer-Transforms a smartphone or Internet-capable tablet into a
portable communications device that shares its Internet access with other computers and
devices wirelessly
Wireless Network - correct answer-Any type of computer network that is not connected by
cables of any kind.
WiFi - correct answer-a facility allowing computers, smartphones, or other devices to
connect to the Internet or communicate with one another wirelessly within a particular area.
Bluetooth - correct answer-Wireless PAN technology that transmits signals over short
distances between cell phones, computers, and other devices
GPS - correct answer-A system that determines the precise position of something on Earth
through a series of satellites, tracking stations, and receivers.
3G - correct answer-A service that brings wireless broadband to mobile phones
4G - correct answer-System to allow fast Internet access using mobile phone networks.
5G - correct answer-System to allow extremely fast Internet access using mobile phone
networks.
Infrared - correct answer-Electromagnetic waves of frequencies lower than the red of visible
light. Used in devices like TV remotes
NFC - correct answer-Technology that allows two devices to share information by touching
