1. an interactive information system that allows users to access text and simple graphics through a television set or computer terminal via telephone lines
Usage: computing; historical

Examples

• The viewdata system allowed customers to check their bank balances from home.
• Viewdata technology was popular in the 1980s before the widespread adoption of the internet.
• The company offered viewdata services for shopping and information retrieval.
• Users could navigate viewdata pages using a simple keypad interface.
• Viewdata systems transmitted information over existing telephone networks.
• The viewdata terminal displayed colorful text-based menus and forms.