Final answer:
Auto-allocated seats for PETC are seats that are assigned automatically by the system without manual intervention, such as in an online examination system.
Step-by-step explanation:
The auto-allocated seats for PETC are seats that are assigned automatically by the system without manual intervention. These seats are usually assigned in a sequential or random manner.
For example, in an online examination system, auto-allocated seats can be assigned to students based on their registration order or randomly.
The purpose of auto-allocated seats is to efficiently allocate seats to students without any bias or favoritism.