123ArticleOnline.com: Ailsa Joyhttp://www.123articleonline.com/rss/author/118705/ailsa-joyArticles written by Ailsa Joy from 123ArticleOnline.comen-usCopyright (c) 123ArticleOnline.com All rights reserved. Access Control System Principles http://www.123articleonline.com/articles/912791/access-control-system-principles Access control system, also known as entrance exit control system, it is a intelligent control system used to manage the entering or leaving of personals and goods. There are some common access control systems, such as: the use of password authentication accepted access control systems, non-contact IC card reader authentication access control system, fingerprint, iris, palm-type finger vein biometric access control systems in general. The Functions and Applications of Smart Card http://www.123articleonline.com/articles/898810/the-functions-and-applications-of-smart-card Know more about smart card from this article, learn smart card functions, applications. Using a USB Credit Card Reader Machine with Laptop http://www.123articleonline.com/articles/895922/using-a-usb-credit-card-reader-machine-with-laptop The article tell you how to using a USB credit card reader machine with computer for your small business.