300 points

Simply put, the upstream industry refers to design, and the downstream industry refers to manufacturing and furniture.

Generally speaking, IT information technology actually has three levels: the first level is

Hardware mainly refers to hosts and networks used for data storage, processing and transmission.

Communication equipment; The second layer refers to software, which can be used for collection and storage.

Software for storing, retrieving, analyzing, applying and evaluating information.

Including what we usually call ERP (enterprise resource planning) and CRM (customer relationship management)

Customer relationship management), SCM (supply chain management) and other business management software,

It also includes WF (Workflow) management software for strengthening process management.

DW/DM (Data Warehouse and Data Mining) software for auxiliary analysis;

The third layer refers to application, which refers to collection, storage, retrieval, analysis and application.

Use, evaluate and use all kinds of information, including the application of ERP, CRM and SCM.

Software directly assists decision-making, including using other decision analysis modules.

Type or with the help of DW/DM and other technical means to further improve the analysis quality.

Quantity, to assist decision makers in decision-making.

It is an alternative decision). Some people understand that it is to combine the first two layers into one.

One refers to the storage, processing and transmission of information, while the latter refers to information.

Application of; Some people combine the last two layers into one, which is divided into the front hard.

My back is soft. Usually, the third layer doesn't get enough attention, but the fact is

In fact, the value of information can only be obtained when it is effectively used.

Only by giving full play to its role can the goal of informatization be truly realized. information

Culture itself is not a goal, it is only a reality under the current background.

The goal now is a better means.

By the way, what is the IT industry? There is a general classification for your reference:

Provide IT basic technology, ic research and development, software writing, such as INTEL, MS, etc.

IT technology productized parts, components, assembly manufacturing such as elite, Volkswagen, etc.

IT products integrate computer and peripheral manufacturers such as Lenovo and IBM.

Systematic solutions and information systems for IT products such as Huawei and Hewlett-Packard.

Distribution channels and sales of IT products, such as Digital China.

Blue Express and other IT products, services, consulting services and after-sales services.

Public opinion in IT industry supports IT media such as World Plan Information and CCID.

The third party in IT industry provides various matching services, such as legal consultation and public relations services.

It trains reserve talents in various colleges and universities such as computer specialty.

The IT industry cooperates to organize various associations and parties.