Final answer:
The screen used to create an internally generated message is called the command prompt or terminal.
Step-by-step explanation:
The screen used to create an internally generated message is called the command prompt or terminal.
In the command prompt, you can use commands to interact with the computer's operating system and execute various tasks.
For example, in Windows, you can open the command prompt by pressing the Win + R keys, typing 'cmd' and pressing Enter.