IBM Virtual Telecommunications Access Method (VTAM) is the IBM subsystem that implements Systems Network Architecture for mainframe environments. VTAM provides an application programming interface for communication applications, and controls communication equipment such as adapters and controllers.
PHP: Hypertext Preprocessor is a server-side scripting language designed for Web development, but also used as a general-purpose programming language. PHP code may be embedded into HTML code, or it can be used in combination with various web template systems, web content management systems, and web frameworks.
YouTube is a video sharing service where users can watch, like, share, comment and upload their own videos. The video service can be accessed on PCs, laptops, tablets and via mobile phones.