Question

huge database
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* An online examination System maintains a huge database
of questions which are classified according to
different
Parts of the syllabus and also according to difficulty
level. In the beginning
student is considered to
be an average
student a percentile of 50
and is given questions of medium difficulty randomly
from the total syllabus from here the type of questions
presented varies according to the performance .
The score starts with a value equal to the score
obtained by a
person with
a percentile of 50.
The score is calculated after every question and
the change is
score depends on difficulty level
of the question. There is a
There is a restriction on the
minimum number of questions of each type and
a test taker may get more qyestions in any particular section if his performance in that section is below has overall performance. Model a use case diagram and a class diagram ​

Answer 1

Answer:

UML Use case diagrams represent the “requirements” of the system. Class diagrams show the building blocks (classes) that are needed to build the software/system. ... They are the software entities that are used to build the system and their relationships.