Question

What are the two sets of system users in a library system that are not disjoint?

a.

Library employees and members

b.

Librarians and members

c.

Library employees and librarians

d.

Members and non-members

Posted under Software Engineering

Answer: (a).Library employees and members Explanation:A library employee may also be a member of the library, so the two sets of system users are not disjoint.

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Q. What are the two sets of system users in a library system that are not disjoint?

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