the supervisor program in an operating system (OS) is also known as the _____. a.appletb. kernel c.metadata d.cache

The answer is b. kernel.

The kernel is the core component of an operating system. Here's why the other options aren't correct:

• applet: An applet is a small program that often runs within a web browser.
• metadata: Data that describes other data (e.g., file size, creation date, etc.).
• cache: A temporary storage area for frequently used data, used to improve performance.