1.5 Communication Hardware Flashcards
What is a hub?
A hub receives data packets from a connected device and transfers the data to all connected nodes.
What is a switch?
A switch receives data packets and transfers them onto a specifically listed device instead of transferring to all connected devices.
What is a modem?
A modem sends data across the telephone network. So it converts between digital and analogue signals. A modem is needed to connect to ADSL lines.
What is a router?
A router allows devices to connect to the WiFi. A router transfers data packets across a network.
What is a WAP?
Wireless Access Point : provides the wifi between a wired / wireless network. It creates a wireless LAN allowing for devices to connect to a wired network.
What is a combined device?
Provides the functionality of multiple communication devices although can be expensive
