Final answer:
The basic manual access control system is a physical means to restrict access to a certain area or resource, relying on human verification. Examples include lock and key systems and security guards checking IDs.
Step-by-step explanation:
The basic manual access control system functions as a physical means to restrict access to a certain area or resource. It relies on human interaction and verification to determine who is granted access. An example of a basic manual access control system is a lock and key system, where only individuals possessing the correct key can unlock and enter a door or a room. Another example is a security guard stationed at the entrance of a building, who manually checks identification cards or credentials before granting entry.