I’m pretty sure it’s B I hope this help you and I’m sorry if I got it wrong
Answer:
The System Software (Operating System)
Explanation:
Examples of Operating Systems are Windows, MAC and Linux, these software are the foundation of every PC and manages all computer's resources
A. MIDI interface.
RAID is a set of strategies for using more than one drive in a system.
Databases use fourth-generation languages in order to access its contents. These fourth-generation programming languages are widely used in database managing. It was designed to have a more specific use in contrast to the commonly used 3G languages at that time.