What does IT mean?

IT is the English abbreviation of Information Technology. The full name means "information technology" and covers a wide range, mainly including: modern computers, network communications and other information field technologies.

IT is the collective name for the information technology industry. IT actually has three levels:

First layer is hardware, mainly referring to hosts and network communication equipment for data storage, processing and transmission;

The second layer refers to software, including data collection, storage, retrieval, analysis, Various software that applies and evaluates information, including what we usually refer to as ERP (Enterprise Resource Planning), CRM (Customer Relationship Management), SCM (Supply Chain Management) and other commercial management software, as well as WF used to strengthen process management (Workflow) management software, DW/DM (data warehouse and data mining) software that assists analysis, etc.;

The third layer refers to the application, which refers to collection, storage, retrieval, and analysis , application, and evaluation using various information, including the application of ERP, CRM, SCM and other software to directly assist decision-making, and also including the use of other decision-making analysis models or technical means such as DW/DM to further improve the quality of analysis and assist decision-makers in making decisions.

The above is the detailed content of What does IT mean?. For more information, please follow other related articles on the PHP Chinese website!