1.The digital economy refers to an economic system in which digital technology has been widely used and resulted in the fundamental changes in overall
economic environment and economic activity.
The digital economy has the following basic features:
(1)Speed （2）High permeability （3）Expansion of oneself （4）Marginal benefit of incremental （5）External economic （6）Sustainability
2.The business model is conceptual tools include a series of elements and their relationships,in order to clarify a particular entity business logic.
3.Macroeconomic policy,Quality of infrastructure,Exchange rate volatility,Investors preferred and Crime rate.
4.Plans and objectives identified,analysis of the business,Operators at the division,The allocation of work and authorization,Planning Organization level.
6.It is a model to provide a software through the Internet,unified application software manufacturers will be deployed in their own server,customers can
according to their actual demand to purchase the necessary software of the Internet companies,according to the order of the number and length of service to
pay money to the manufacturers who provide access to Internet services.
7.Service-oriented architecture (service-oriented architecture, SOA) is a component model,which will feature a different application modules (known as
services) of these services through the definition of a good interface between the contract and the link.Interface is the definition of a neutral manner,it
should be independent of the service to achieve the hardware platform,operating systems and programming languages.This allows the construction of such a
system in a variety of services can be unified in a common and interactive manner.
8.A Web-based system is a powerful in-house Web site,mainly to the completion of a number of business processes.
9.It is a communications network, computer, information resources,equipment and information users who constitute the network,ubiquitous information network,
which can be linked families,schools,libraries,hospitals,government and enterprises up one by one,you can access to a wide range of public and private
information resources.
10.Grid computing is a new high-performance distributed computing methods. As a new generation of distributed computing approach, the main difference between
the Grid computing and traditional distributed computing is: In the absence of centralized control mechanism, carry out large-scale through the sharing of
computing resources, to meet the requirements of the high-performance computing applications, and This large-scale sharing of computing resources is a
dynamic, flexible, safe and collaborative.
12.Description of the data quality of the information, including location accuracy, attribute accuracy, logical consistency, integrity, and are potential
data.
15.Data Warehouse is a data collection with subject-oriented, integrated, non-renewable, changing during the time, which used to support the business or
organization to deal with the analysis of the decision-making.Data mart can also be called "small data warehouse." If the data warehouse is built on the
enterprise data model. Then the data mart is a subset of the enterprise data warehouse.In the face of the main for business-class department, and only for a
specific theme. Data mart can to a certain extent to ease access to data storage bottlenecks.
我是在网上找资料然后自己翻译成中文，这些应该是课本内容吧？有些题目专业性很强，我找不到资料！
