Telxon PTC-710 is a 16-bit mobile computer PTC-710 with MP 830-42 microprinter 42-column version. It was manufactured by the Telxon corporation since early 1990s. This one was used for example as portable ticket machine by Czech Railways (České dráhy) in 1990s.
Mobile computing is a generic term describing one’s ability to use [...]

The term information appliance was coined by Jef Raskin around 1979.[1][2] As later explained by an influential Donald Norman’s The Invisible Computer,[3] the main characteristics of IA, as opposed to any normal computer, were:

designed and pre-configured for a single application (like a toaster appliance, which is designed only to make toast),
so easy to use [...]

In general terms, an information appliance or information device is any machine or device that is usable for the purposes of computing, telecommunicating, reproducing, and presenting encoded information in myriad forms and applications. The common technical usage of “information appliance” (IA) is more specific — i.e., an appliance that is specially designed [...]