When we represent data digitally, what is the smallest unit used?

Question $8$Select one:

A$.$

binary code

B$.$

character

C$.$

bit

D$.$

byte

D$.$

byteQuestion $7$Select one:

A$.$

It processes all the commands sent to it$.$

B$.$

It controls all functions performed by other components.

C$.$

It works as the brain of the computer.

D$.$

In most computers it runs the network.