A computer-based system for defining, creating, manipulating, controlling, managing and using databases.

• A. file manager
• B. graphics tablet
• C. database management system (DBMS)
• D. digital data

Answer: (C)

A DBMS is the software that handles all aspects of working with a database—defining its structure, creating the data stores, manipulating data, enforcing rules, and controlling access. It provides the tools to define the schema (tables, columns, relationships), perform data operations (insert, update, delete, query), and manage security, integrity, and concurrency. This makes it the best fit for a system described as defining, creating, manipulating, controlling, managing, and using databases. In contrast, a file manager only handles files on a file system, a graphics tablet is an input device, and digital data refers to the data itself rather than a system that manages it.