Network Hardware (OCR A-Level Computer Science): Flashcards
📚Flashcards
Practise the cards
13 cards from this deck
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Practise the cards
13 cards from this deck
Modem purpose
Modem purpose
Connects local network or device to internet
Modem function
Modem function
Converts digital data to analogue signals & vice versa
Router purpose
Router purpose
Directs data between different networks
Modern routers additional capability
Modern routers additional capability
Wi-Fi capabilities, acts as wireless access point
NIC purpose
NIC purpose
Enables a device to connect to a network
WAP purpose
WAP purpose
Allows wireless devices to connect to wired network
Hub function
Hub function
Broadcasts data to all connected devices
Hub status in modern networks
Hub status in modern networks
Rarely used, replaced by switches
Switch advantage over hub
Switch advantage over hub
Directs data only to intended recipient
Switch efficiency benefit
Switch efficiency benefit
Prevents data collisions, reduces unnecessary traffic
Fibre-optic cable use
Fibre-optic cable use
Long-distance, high-speed data transmission
Fibre-optic transmission method
Fibre-optic transmission method
Transmits data as light pulses
Modem vs router distinction
Modem vs router distinction
Modem connects to internet; router directs traffic in network