Hi pf, please could someone explain in detail how binary information is physically transmitted. For example, consider an analogue to digital converter which is sampling a sine wave representing a voice. The sampling is using 8 bits. At a certain time lets say the sine wave is at its peak voltage of 5 volts. This means that the binary code for this peak would be the 255th value with a binary value of 1111 1111. My question is how is this 1111 1111 physically transmitted in a wire? Because these are just numbers. Would it simply be an electrical voltage pulse of 5 volts which itself is made up of a series of eight 1's in this case created by individual transistors?