FAX Full Form is FACSimile. It is also called telefax or tele copying. It represents the scanned-printed copy of an image or text sent using the telephone number. Here, the telephone number is linked to the output FAX device. In simple terms, FAX machine can receive or send texts or images over a specific telephone line.
FAX machine works by digitizing the images or texts. This means, it divides the text or image into small grids of dots. It then transfers the images through bit maps. These bit maps are then transmitted as audio-frequency tones through the telephone lines. Of late, FAX technology has faced huge competition from the Internet tools and systems. However, in countries where electronic signatures are still not approved, FAX machines still have a demand.