Octopus cardWidely used in Hong Kong, the Octopus card is used for purchases on public transport, in convenience stores, fast food restaurants and other places where purchases can be made. In addition it's also used for office and residential premises access control. Each Octopus card looks like a basic credit card but has a built-in microchip containing an "electronic purse" and other applications that records transaction details. To use the card, owners simply wave the card over a reader and the information or financial transaction is completed automatically.
Stay up to date on the latest developments in Internet terminology with a free weekly newsletter from Webopedia. Join to subscribe now.
From cute electronic toys to VR gaming, here are 5 hot gifts to give to your special tech enthusiast this holiday season. Read More »What's Hot in Tech: AI Tops the List
Like everything in technology, AI touches on so many other trends, like self-driving cars and automation, and Big Data and the Internet of Things... Read More »DevOp's Role in Application Security
As organizations rush to release new applications, security appears to be getting short shrift. DevSecOps is a new approach that holds promise. Read More »
Java is a high-level programming language. This guide describes the basics of Java, providing an overview of syntax, variables, data types and... Read More »Java Basics, Part 2
This second Study Guide describes the basics of Java, providing an overview of operators, modifiers and control Structures. Read More »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 »