Digital and analog communication has been greatly improved through technology. This technology has had a huge impact on the Internet and television. Many innovations have been developed in the past few years and continue everyday. These new innovations have given people the convenience of more bandwidth. The difference between analog and digital communication is the way information is carried from the source to the receiver. Analog broadcasting the signal is in the form of a continuous wave, whereas digital is in the form of discrete bits of information. .
Analog communication through television can collect noise such as shadows or snow during transmission over the air through cable; digital communication delivers a signal clearly and sharply while using a fraction of the bandwidth used by analog technology. Digital communication converts a video signal into a binary form that is stored in a computer, compressing signal information into a fraction of its original size while still permitting its easy transformation into video signals for transmission. The cable historically used has been coaxial cable, implemented in a "tree and branch" architecture and each signal is given 6 MHZ channel on the cable. Communication in analog format from satellites, broadcast transmissions, and local television studios are received at the facility's head end, which serves as the point of origination for the signals to be distributed to subscribers via coaxial cable. .
A computer sends digital signals, which are converted by a modem to analog signals that can be transmitted through telephone lines. A modem is a device used to convert between analog and digital signals. They are often used to enable computers to communicate with each other across telephone lines. When the signal reaches its destination, another modem reconstructs the original digital signal so as to enable the receiving computer to process the data.
