In information technology, Questar computer terminals are a line of largely 3270-compatible text-only dumb terminals manufactured by Groupe Bull and widely used in France and some other markets. The terminals combine standard 3270 emulation with a number of Questar-specific features. The terminals have been most successful with users who already operate compatible Bull mainframe systems, and have achieved far less market penetration as plug-compatible replacements for IBM 3270 terminals.
- In Paris, France, the turnstiles used in the subway system contain Questar emulators that communicate with a central computer system.
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