Wired and wireless communication

What type of cable would you use for transmitting voice and video singnals?

• Paired cables

• Coaxial cables

• Fibre optic

• Wireless

Fibre optic cables can carry less information than ordinary cables

• TRUE

• FALSE

The signals carried by fibre optic cables are weaker than those carried by ordinary cables

• TRUE

• FALSE

Fibre optic cables are heavier than copper cables

• TRUE

• FALSE

Copper cables are more fragile than fiber optic cables

• TRUE

• FALSE

Think of problems or difficulties that telegraph users may have encountered.

What components does a phone have?

• Telephone, microphone and resistor

• Microphone and earpiece

• Earpiece

• Earpiece, microphone and cable

The first telegraph line was opened in...

• The UK

• France

• Canada

• The USA

Translate this message which is in morse code

... --- ... .- -.-- ..- -.. .-

What type of cable would you use for transmitting data in a computer network (securely) ?

• Paired cables

• Coaxial cables

• Fibre optic cables