Final answer:
A prompt is a message displayed on a monitor to ask the user for a response and explain how that response should be formatted.
Step-by-step explanation:
The message that is displayed on a monitor to ask the user for a response and explain how that response should be formatted is known as a prompt.
A prompt is commonly used in programming and user interfaces to gather input from the user. It can provide instructions, examples, or guidelines on how the response should be entered.
For example, when filling out an online form, the form may display prompts such as 'Enter your name' or 'Select your preferred language'. These prompts guide the user on what information needs to be provided and how it should be formatted.
Prompts help ensure that users understand what is expected of them and enable efficient and accurate input.
A prompt is a message displayed on a monitor to ask the user for a response and explain how that response should be formatted.