What type of device operates with discrete numbers or digits?

A digital device operates with discrete numbers or digits, meaning it processes and represents information in distinct and separate values, typically in binary form (0s and 1s). This contrasts with analog devices, which represent information in a continuous manner, such as varying voltages or waveforms.

Digital devices can include computers, smartphones, and digital watches. They are capable of performing complex calculations and operations with high accuracy and speed because they manipulate these discrete units of data. This representation allows for easier storage, retrieval, and transmission of information without loss of quality that can occur in analog systems.

While mechanical devices can operate using physical components to perform tasks, they do not specifically relate to the concept of discrete versus continuous data representation. Hybrid devices combine both digital and analog elements but do not exclusively operate in the discrete realm.

In summary, the defining characteristic of a digital device is its reliance on discrete numbers, which fundamentally differentiates it from other types of devices.