Analog
- Is a continuous range of values
- Example : time,pressure,sound.
- Represented by 10 different level which are 0,1,2,3,4,5,6,7,8,9.
- Analog system is a combination of devices that manipulate values represented in analog form.
Digital
- A discrete set of values
- Use base 2(binary)
- Represented by 2 different level : 0 and 1 or low or high
- Digital system is a combination of devices that manipulate values represented in digital form.