Top 50+ Solved Introduction to Software Engineering MCQ Questions Answer
Q. DFD shows how things happen or the physical component is called ------------
a. Logical DFD
b. Physical DFD
c. Data dictionary
d. None of these
Q. A relational database system needs to maintain data about the relations, such as the schema of the relations. This is called
a. Metadata
b. Catalog
c. Log
d. Dictionary