Microsoft's COM is a software(1)that allows applications to be built from binary software components. COM is the underlying architecture that forms the foundation for higher-level software services, like those provided by OLE. COM defines a binary standard for function calling between components,a way for components to dynarmically discover the interfaces implemented by other components, and amechanism to identify components and their interfaces uniquely. OLE is a compound(2)standard developed by Microsoft. OLE makes it possible to create(3)with one application and link or embed them in a second application.Embedded objects retain their original format and(4)to the application that created them. Support for OLE is builtinto the Windows and MacOS Operating Systems.A(5)compound document standard developed mainly by Apple and IBM is called OpenDoc.空白(1)处应选择() A.architecture。 protocol。 procedure。 structure。
The(1) is a general description of the architecture of a workflow management system used by the WFMC, in which the main components and the associated interfaces are summarized. The workflow enactment service is the heart of a workflow system which consists of several(2).空白(2)处应选择() A.workflow engines。 processes。 workflow threads。 tasks。
The(1) is a general description of the architecture of a workflow management system used by the WFMC, in which the main components and the associated interfaces are summarized. The workflow enactment service is the heart of a workflow system which consists of several(2).空白(1)处应选择() A.waterfall model。 workflowreference model。 evolutionary model。 spiral model。
某软件企业2004年初计划投资1000万元开发一套中间件产品,预计从2005年开始,年实现产品销售收入1500万元,年市场销售成本1000万元。该产品的系统分析员张工根据财务总监提供的贴现率,制作了如表9-11所示的产品销售现金流量。根据表中的数据,该产品的动态投资回收期是(1)年,投资收益率是(2)。空白(1)处应选择() A.1。 2。 2.27。 2.73。
图9-12标明了6个城市(A~F)之间的公路(每条公路旁标注了其长度千米数)。为将部分公路改造成高速公路,使各个城市之间均可通过高速公路通达,至少要改造总计(1)千米的公路,这种总千米数最少的改造方案共有(2)个。空白(2)处应选择() A.1。 2。 3。 4。
船舶内部通信的主要手段是:()
(1)口头
(2)电话
(3)对讲机
(4)告示