Analog signal and Digital signals Everything in real world is analog, the audio we hear, the scene we see in front of our eyes, the environment parameters like, humidity, temperature, atmospheric pressure and so on are all example of analog signals. In earlier time may be way back in 80’s and before, these analog quantity were measured and displayed in analog format. VCRs, tape players, and record players are analog devices. This is because they record data linearly from one point to another. Analog devices read the media, such as tapes or records, by scanning the physical data off the media. The data on the records are the exact and the real information. Difference between analogue and digital systems Therefore, due to enormous