Learning Aim A Flashcards
Bluetooth
A short range technology (10 metres or less) that can connect multiple devices. e.g. mobile phones & speakers
Ad hoc Network
A wireless network that does not rely on fixed hardware such as routers in wired networks.
Personal Area Network
Used for data communication between devices. Connects electronic devices close to the user, such as a wireless mouse, a keyboard, and a computer.
Tethering
Where a smartphone acts as an access point, allowing other devices to connect to it to share its mobile broadband connection to the internet.
Personal hotspot
Using a phone’s internet connectivity to access the internet from the laptop.
PIN
Acronym meeting Personal Identification Number. Form of identification used for ATMs.
Encrypted
Information or data has been converted to a type of code that cannot be understood without a translation key.
USB
Universal Serial Bus.
A standard for connection sockets on computers, connecting devices such as mice, keyboards, printers, external hard drives, etc.
Insecure
A connection where data maybe intercepted by other users.
Streaming
Data is sent to your device in a continuous flow when connected to the internet.
Traditional Network
Traditional networks are made up of several PCs, routers and other devices that are connected using cables and wires.
Examples of ad hoc networks:
PAN
Open Wi-Fi
Tethering or Personal Hotspot
Benefits of ad hoc networks:
They are scalable
They are flexible
They require limited setup.
Drawbacks of ad hoc networks:
They are less secure.
They have a reduced speed.
The network can become unorganised.
Issues affecting availability:
Rural vs city locations
Developed vs developing countries
Available infrastructure
Mobile network coverage
Blackspots
