Final answer:
A time-out is a physical access control technique where the program locks out users after a certain time period of disuse and requires them to enter their username and password to gain re-entry.
Step-by-step explanation:
A time-out is a physical access control technique where the program that is being used locks out users after a certain time period of disuse and would require the user to enter their username and password to gain re-entry.
For example, in computer security, a time-out is often implemented to automatically log out a user after a period of inactivity, adding an additional layer of security by preventing unauthorized access to the system.
Time-outs are commonly used in many computer systems, applications, and online platforms to protect sensitive data and ensure user privacy.