The Unified Modeling Language (UML) has become an effective standard for software modelling.How many different notations does it have ?

A. Three
B. Four
C. Six
D. Nine
✅ The correct answer is option D.
Explanation: The different notations of UML includes the nine UML diagrams namely class, object, sequence, collaboration, activity, state-chart, component, deployment and use case diagrams.

Which of the following places the common data elements in order from smallest to largest ?

A. Character, file, record, field, database
B. Bit, byte, character, record, field, file, database
C. Character, field, record, file, database
D. Character, record, field, file, database
✅ The correct answer is option A.