Webopedia on Google+Webopedia on TwitterWebopedia on FacebookTech Bytes Blog
Main » TERM » T »

turing number

Example of a turing number

)

Abbreviated as TN, turning number is a randomly generated security code, usually a series of digits, displayed as an image that users may need to read and copy into a form field in order to submit or validate a form submission online via a Web browser. Turing numbers are used to ensure there is a human user instead of automated (bot) submissions. Turing numbers are commonly used on e-commerce Web sites or promotional or contest Web sites anywhere there is a need to avoid automated submissions by bots.

[Image: Example of a turing number as it may appear on a Web-based user submission form]







TECH RESOURCES FROM OUR PARTNERS
LATEST ARTICLES
8 Agenda Apps to Help Students Stay Organized

Webopedia's student apps roundup will help you to better organize your class schedule and stay on top of assignments and homework. Read More »

List of Free Shorten URL Services

A URL shortener is a way to make a long Web address shorter. Try this list of free services. Read More »

Top 10 Tech Terms of 2015

The most popular Webopedia definitions of 2015. Read More »

STUDY GUIDES
The 7 Layers of the OSI Model

The Open System Interconnection (OSI) model defines a networking framework to implement protocols in seven layers. Use this handy guide to compare... Read More »

Computer Architecture Study Guide

This Webopedia  study guide describes the different parts of a computer system and their relations. Read More »

What Are Network Topologies?

Network Topology refers to layout of a network. How different nodes in a network are connected to each other and how they communicate is... Read More »