● One tool that is useful during both analysis and design is the (72) ,which is a pictoria

Question

● One tool that is useful during both analysis and design is the （72） ,which is a pictorial representation of the items of information(entities) within the system and the relationships between these pieces of information.

（72）

A．data dictionary

B．dataflow diagram

C．use case diagram

D．entity-relationship diagram

Answer 1

正确答案：D
试题（72）分析
    在系统分析和设计中同样适用的工具是答案D实体关系图，它通过图形形式，表现系统内的实体信息以及这些信息之间的关系。
参考答案
    （72）D