Answer: Interface methods, interface variables and interface markers.
Explanation:
Interface methods are public and abstract by default.
Interface variables can be declared public, static and final
Marker interfaces are simply empty interfaces without any methods.
Information and communications technology
Answer:
Option D
Explanation:
Complete question
A management information system is typically used by _____.
A. all levels of employees
B. company executives
C. upper-level managers
D. middle-level managers
Solution
A management information system is typically used by middle-level managers
Option D is the correct answer
Management information system (MIS) helps the middle managers to control the work across the various teams of organization.