Information engineering emphasizes a modeling tool called ______ relationship diagrams．

A．entity

B．class

C．state

D．sequence

[单选题]analysis emphasizes the drawing of pictorial system models to document and validate both existing and/or proposed systems. Ultimately, the system models become the(72)for designing and constructing an improved system.(73)is such a technique. The emph

[单选题] （71） analysis emphasizes the drawing of pictorial system models to document and validate both existing and/or proposed systems. Ultimately, the system models become the （72） for designing and constructing an improved system. （73） is such a technique

[单选题]Software engineering is the study andapplication of engineering to the （）,d

[单选题]Cooperative learning emphasizes on _________ and collective responsibility.

[单选题]In software engineering and systems engineering， ( ) ， is adescription ofa

[单选题]In requirements engineering, requirements elicitation is the practice of collecting the requirements of a system from users, customers and other stakeholders. In the following practices, () is rarely used in requirements elicitation.A . brain stormi

[单选题]The officer in charge of the engineering watch shall notify the chief engineer without delay ____.A．in any emergency or if in any doubt as to what decision or measures to takeB．in the event of any impending action in machinery spaces that may cause r

[单选题]The officer in charge of the engineering watch shall ensure that all machinery involved with the maneuvering of the ship can immediately be placed in the __ of operation when notified that the ship is in congested waters.A．manual modeB．automatic mode

[单选题]Software Engineering Economy is an effective part of software engineering.Which of the following content is the research content of software engineering economy?Ⅰ.Estimation of software development costⅡ.Earn & Cost analysis of software developme

[单选题] In software engineering and systems engineering,（71） is a description of a system's behavior. as it responds to a request that originates from outside of that system.（71）A． black boxB． business ruleC． use caseD． traceability matrix