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Electronic components are physical entities within the system. Their sole purpose is to affect the associated fields or the electronic via a desired reliable method with the intended purpose of the electronic system. Some of the usual components are transistors, diodes, resistors, and capacitors.
Digital devices are types of electronic systems that use digital signals. Its representation of Boolean algebra is commonly used in mobile phones, computers and other costumer products. Digital devices and other digital circuits are usually made from big assemblies of logic gates.
Analog devices are electronic systems with a constant variable signal. The earliest device invented was the analog. The major difference between digital and analog electronics is its noise, precision and design difficulties.
The process information is programmable in analog electronics. They are more vulnerable to noise as compared to digital electronics. In digital, as the information is programmed and as the signals stay long inside the range value, digital devices represent identical information similar to analog devices.
Digital electronics are much smaller and easier to design as compared to similar analog electronic processes. This is one of the major reasons why the latter is more common and preferred. An analog device should be designed by hand. The procedure is less automatic as compared to digital.