What defines a stand-alone device?

A stand-alone device is characterized by its ability to function independently, providing full utility without needing any other external devices or systems to operate. This means that it can perform all necessary tasks on its own, making it versatile in various applications.

For instance, a stand-alone printer can print documents directly from a memory card, without being connected to a computer. This independence is a key factor that distinguishes stand-alone devices from others that require additional components or connectivity to achieve their intended functionalities.

In contrast, a device that requires additional devices to operate, connects to a central control system, or relies solely on a computer would not qualify as stand-alone, as it depends on external systems to perform its functions. Thus, the defining characteristic of a stand-alone device is its self-sufficiency and completeness in operation.