Data Transmission

Question 1

What is analogue?

Answer 1

Lots of different versions of information. The amplitude and frequency of analogue signals varies continuously and has lots of different values

Question 2

What is digital?

Answer 2

Coded pulses and have only two values

Question 3

What are some of the advantages for digital?

Answer 3

Higher quality 
Lots more information can be sent 
Digital doesn't have as much interference 
Predictable shape
Can remove interference easily

Question 4

What is interference?

Answer 4

When two or more waves of a signal frequency meet, they can create one combined signal with the new amplitude

Question 5

What is a signal?

Answer 5

Organised information