Operating system is a …… A. System software B. Application software C. Presentation software D. Database software

The correct answer is A. System software.

System software is a type of computer program that is designed to run a computer’s hardware and application programs. It provides a platform for other programs to run on, and it manages the computer’s resources, such as memory and storage.

Application software is a type of computer program that is designed to perform a specific task, such as word processing, spreadsheets, or games.

Presentation software is a type of computer program that is designed to create and deliver presentations.

Database software is a type of computer program that is designed to store and manage data.

Here is a more detailed explanation of each

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