digital electronics
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Digital electronics uses electronic circuits that represent information through distinct, separate levels of electrical signals rather than continuous ones, making it more reliable and easier to process. This matters because digital systems can reliably transmit, store, and manipulate data with less interference than systems using continuous signals, which is why they power modern computers, smartphones, and countless other devices.
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Digital electronics is a field of electronics involving the study of digital signals and the engineering of devices that use or produce them. It deals with the relationship between binary inputs and outputs by passing electrical signals through logical gates, resistors, capacitors, amplifiers, and other electronic components. The field of digital electronics is in contrast to analog electronics, which work primarily with analog signals (signals with varying degrees of intensity as opposed to on/off two-state binary signals). Despite the name, digital electronics designs include important analog design considerations.
Large assemblies of logic gates, used to represent more complex ideas, are often packaged into integrated circuits. Complex devices may have simple electronic representations of Boolean logic functions.