1.4 Connectivity

Question 1

Wired Connections

Answer 1

Copper Cable
Fibre Optic cables

Question 2

Wireless Connections

Answer 2

Bluetooth
Infrared
Microwave

Question 3

Copper cables

Answer 3

> Cheaper
Poorly insulated - more susceptible to electromagnetic interference
more likely to suffer from network distortion
Malleable
less likely to break
lower bandwidth

Question 4

Fibre Optic Cables

Answer 4

> very fast
expensive
transmitted by wave of light
not affected by electromagnetic interference
suffer less from network distortion
higher bandwidth
more fragile

Question 5

Bluetooth

Answer 5

> Short range comms (10m)
Need close proximity
No other hardware required

Question 6

Infrared

Answer 6

> Requires devices to be in direct line of sight
short distance
eg. remote control

Question 7

Microwave

Answer 7

> sends signals over a large area
must be in line of sight w No obstructions
affected by bad weather
higher chances of network distortion

Question 8

Laser

Answer 8

> Line of sight - No barriers
up to 2km
Bad weather severely affects
can be used in space

Question 9

Satellite

Answer 9

> distance = delay

Question 10

GSM/ 5G

Answer 10

> allows mobile phones to connect to a network
classified as generation (4G 5G)