Final answer:
An IDE Connector is used to attach internal hard drives to a motherboard, mainly in older computer systems, to facilitate data transfer.
Step-by-step explanation:
The purpose of an IDE (Integrated Drive Electronics) Connector is to connect internal hard drives to a motherboard. This connector typically enables data transfer between the motherboard and the hard drives within a computer system. IDE connectors were commonly used in older computers before being replaced by newer technology, such as Serial ATA (SATA) connectors.