Digital electronics
electronic circuits representing signals by discrete bands of analog levels / From Wikipedia, the free encyclopedia
Digital electronics is a type of electronics. These make use of "boolean logic" and "discrete digital signals" for electronics, devices, and equipment.
Examples of such devices are computers, information appliances, digital cameras, digital televisions, flash memory, key USB memory, mobile phones, hard disks, and devices of computer memory. Digital signal processing works on analog signals after they have been converted to digital form.